GBRWalkers

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© Contractors Institute February 20131 of 45

Walker's Building Estimator's Reference, 29th Edition1.

An average percent of work performed by subcontractors cannot be precisely determined, butsurveys conducted by the Associated General Contractors of America indicate from ______

percent of the building industry work force is employed by subcontractors.

a) 70 to 80% b) 70 to 75%c) 40 to 70%d) 50 to 60%

Answer: C Solution: Page 4, The Role of the Contractor Question ID: 20125

2.Construction Manager's (CM) flat fees are determined by ___________.

a) A stated number of dollars plus expenses b) An agreed upon fixed feec) A percentage of the total construction costd) Any of the above described methods

Answer: D Solution: Page 6, Construction Management Question ID: 20126

3.The American Institute of Architects form AIA A-101 is __________.

a) The cost of the work plus a fee agreement b) The stipulated sum agreementc) Agreement between contractor and subcontractord) The general condition of the contract

Answer: B Solution: Page 10, Contract Documents Question ID: 20127

4.If a front-end loader consumes 4.6 gallons of fuel per hour and can load three cubic yards of debrisevery 1-1/2 minutes, approximately how much fuel will be consumed while loading 976 cubicyards of debris? (Consider only the information given).

a) 7.4 gallons b) 17.4 gallons

c) 27.4 gallonsd) 37.4 gallonsAnswer: D Solution: chapter 24 Mathematical, Proportion: 976 x 1.5 / 3 = 488 min. x 60 = 8.1333 hours x 4.6 gall= 37.41 Question ID: 20128


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5.A backhoe can excavate 25 cubic yards of in-bank material per hour from a trench. The backhoecan backfill and grade the same trench at the rate of 35 cubic yards per hour. The backhoe costs$72. per hour to rent including the operator and fuel. The rental company has a pickup anddelivery charge equal to the total cost of 1-1/2 hours rental.

Without considering any displaced volume of pipe, the total cost to excavate and then backfill atrench that is 2 feet wide by 4 feet deep by 243 feet long is between ____ ?

a) $430 and $450 b) $451 and $470c) $471 and $490d) $491 and $ $510

Answer: B Solution: Chapter 24, Mathematical,

243 x 2 x 4 1944cf / 27 = 72 cy72 / 35 = 2.05772 / 25 = 2.88Total = 4.944.94 x 72 = 355.461.5 x 72 = 108.00Total = 463.46 Question ID: 20129

6.Most working drawings for buildings are based on ___________.

a) Oblique drawings b) Cavalier drawingsc) Isometric projectionsd) Orthographic projections

Answer: D

Solution: Page 35, General Requirements Question ID: 20130

7.The standard abbreviation letters, DTS, represents __________.

a) Draft to scale b) Dovetail anchor slotc) Drain through sewerd) Door threshold seal

Answer: B Solution: Page 52, Abbreviations

Question ID: 20131

8.The general conditions of the contract are AIA document _______.

a) A-101 b) A-201c) A-401d) A-701


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Answer: B Solution: Page 13 Question ID: 20132

9.The _____________ is the most important person in a contractor's organization, simply becausetheir work will either make or break the contractor.

a) Financially responsibility officer b) Primary qualifying agentc) Estimatord) Superintendent / foreman

Answer: C Solution: Page 2 Question ID: 20133

10.What is the Maximum allowable slope for excavations in loamy sand (Type C) soil less than 20feet deep?

a) 34 degree b) 45 degreec) 53 degreed) 90 degree

Answer: A Solution: Walkers, Appendix B Table B-1 Table B-1 Maximum Allowable Slopes, or supart P OSHA Question ID: 20134

11 .It is standard practice to base equipment rates upon one shift of 8 hours per day or 40 hours perweek or ___ hours per month.

a) 176 b) 172c) 168d) 160

Answer: A Solution: Page 146, determine hourly rate Question ID: 20135

12.

A contractor has purchased new equipment, a large tractor, and has determined the following asreasonable costs:

Capital investment - - $ 80,000.00Depreciation - - - 90%Taxes, insurance, interest, and storage - - 65%


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Using Walker's 29th edition, the maintenance allowance for most equipment will be ____.a) 50%

b) 60%c) 70%d) 80%

Answer: C Solution: Page 147, will fall between 65% and 75% Question ID: 20136

13.An arch having horizontal or nearly horizontal upper and lower surfaces is referred to as a:

a) trimmer arch b) jack archc) back archd) minor arch

Answer: B Solution: Walkers, Glossary Page 1590 Question ID: 20137

14.The Construction Specifications Institute is referred to as _________.

a) CRSI b) CSIc) CSSId) CSPI

Answer: B Solution: Page 59, Specifications Question ID: 20138

15.The CSI masterformat specification 07810 is work item ________.

a) Water repellents b) Plastic unit skylightsc) Skylightsd) Door hardware


16.The CSI masterformat specification 03345 is work item _________.

a) Low density concrete b) Plant cast concretec) Concrete finishingd) Post tension concrete



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17.The type of drawing often used for piping diagrams is _________.

a) cabinet b) orthographicc) isometricd) cavalier

Answer: C Solution: Page 39, Types of Drawings Question ID: 20141

18.A scale, with the inch divided into tenths, is an __________ scale.

a) Abbreviated b) SI - metricc) Architect'sd) Engineer's

Answer: D Solution: Page 39, Scale Question ID: 20142

19.Lines consisting of short dashes usually indicate ________.

a) hidden lines b) outlinesc) dimensionsd) center lines

Answer: A Solution: Page 41, Interpreting Lines Question ID: 20143

20.Because bids are invited by advertisement, a bidder may have to submit a certified check with a

bid in lieu of a bid bond. The amount of the check is usually __ percent of the bid.a) 5%

b) 10%c) 15%d) 50%

Answer: A Solution: Page 128, Bid Bonds Question ID: 20144


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21.The Federal government, under the _____ act, requires that a contractor furnish 2 separate bonds,1 for performance and 1 for payment of labor and materials on Federal projects.

a) FLSA b) Taftc) Millerd) Columbia

Answer: C Solution: Page 129, Performance & Payment Bond Question ID: 20145

22.Of the following choices, _______ is not a method of construction time scheduling.

a) CPM - Critical Path Method b) CSF - Construction Scheduling Formatc) PERT - Project Evaluation Review Techniqued) Gantt - bar chart scheduling

Answer: B Solution: Page 138 Scheduling Methods/Tools Question ID: 20146

23.In CPM scheduling, an activity with zero float time is a ___ activity, and therefore on the ___ pathand must be completed on time. The _____ path is the longest path of activities.

a) Critical b) Forwardc) Averaged) Backward

Answer: A

Solution: Review 138 to 151, page 148 Total Float Question ID: 20147

24.Which of the following statements is false?

a) The amount a contractor forfeits is $200, if a 5% bid bond was furnished, thecontractor failed to enter into a contract for $10,000 and the next bid $10,200

b) Phased construction allows the project to start earlierc) the cost of a bid bond is a cost borne by the contractord) the usual range of points is from 1 - 8%

Answer: D

Solution: a: page 128; b: page 10; c: page 9; d: page 27 Question ID: 20149


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25.Which of the following statements is true?

a) AIA document B432 Architect's Qualification Statement b) Storage shelving is found in CSI masterformat, Division 9, Finishesc) A performance specification describes what work is required to produce resultsd) AFF is the abbreviation for "above first floor"

Answer: C Solution: (a - 15) (b -79) (c - 90) (d - 50) Question ID: 20150

26.Which of the following statements is false?

a) A/C contractors may find installation floaters suitable b) A forklift is covered under property damage insurancec) A contractor's temporary structure, on site, is covered under a builders risk policyd) Injuries caused by a subcontractor would be covered under the contractor's protectiveinsurance

Answer: B Solution: a: Page 127; b: Page 133; c: Page 134; d: Page 132 Question ID: 20151

27.The method of subsurface exploration which has been found to yield the least disturbed soilsamples is ______________.

a) Hand auger boring b) Split spoon samplingc) Slurry boring methodd) Thin-wall tube sampling

Answer: D

Solution: Page 151 Question ID: 20155

28.When excavating undisturbed material, assuming no water exists, the slope for an excavation inordinary clay is _____.

a) 1:1 b) 1:2c) 1:3d) 1:4

Answer: B



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29.Regarding methods of excavating, hand excavation of heavy soil and clay from trenches 3' to 4' indepth will yield an average of ____ cubic yards per eight hour day per person.

a) 4 b) 5c) 6d) 10


30.The approximate diesel fuel consumption for a 100 hp crawler type tractor is ________ gallons

per hour with a factor of 59%.a) 3.3

b) 4.0c) 6.8d) 8.0

Answer: B Solution: Page 194, read formula & example Question ID: 20158

31.Because in-bank materials swell when excavated or blasted, it is necessary to understand swellfactors for various soils. The swell factor for well blasted rock is _______.

a) 50% b) 30%c) 25%d) 20%

Answer: D Solution: Page 170 Question ID: 20159

32.A dragline working in the optimum depth of cut for maximum efficiency is a dragline which isworking ____ minutes per hour.

a) 45 b) 50c) 55d) 60

Answer: D Solution: Page 195 *second footnote Question ID: 20160


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33.The degree of fill compaction usually called for in fills under paving and in government work is

_____ of maximum density and may take 12 passes with a sheepsfoot roller.a) 75%

b) 80%c) 90%d) 95%


34.A sheepsfoot roller is 5' wide, moves 2-1/2 mph, compacts 12" fill layers, and is 100% efficient.Compacting medium clay with 6 passes will yield _____ cubic yards per hour.

a) 260 b) 285c) 326d) 367

Answer: C Solution: Page 234, 6 passes, medium clay, 80% Question ID: 20162

35.A contractor is compacting 12,000 cubic yards of loam in 9" lifts by using a 5 foot widesheepsfoot roller moving 2-1/2 mph. There are to be 6 passes at 83% efficiency and 10% loss intime due to turning. The time required to compact the loam is __________ hours.

a) 48 - 52 b) 52 - 56c) 56 - 60

d) 60 - 64Answer: C Solution: Page 235 Question ID: 20163

36.A sheepsfoot roller is engaged in compaction. The rate of compaction will be _____.

tractor drawn, double drum, 10 foot widefill layers - - 12"number of passes - - 8

soil type, medium clay - - 80%efficiency, 50 minutes per hour - -83%lost time for turning - - -10%

a) 183 cy / hr. b) 203 cy / hr.c) 366 cy / hr.d) 407 cy / hr.


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Answer: C Solution: Page 234,235

Step 1.8 passes, medium clay 80%:( chart )= 245step 2.10 wide = double production( 245 x 2 )= 490step 3.50 minutes of 60 minutes = .83( 490 x .83 )= 406step 4.10% turning, 90% remains( 406 x .90 )= 366 cy / hr. Question ID: 20164

37.Estimate the time required to drive 40 - 28' long wood pilings to grade after the pile driver is setup and ready to operate. The time will be approximately _____ hours.

a) 4 b) 6c) 8d) 10

Answer: D Solution: Page 25540 piles / 4 per hour = 10 hours Question ID: 20165

38.An excavation measuring 120 feet by 80 feet is shored with 2 x 10 sheet piling timbers having a 91/4" width and a length of 10 feet. The shoring supports the vertical sides of the excavation. Thetotal amount of lumber required will be ____________ board feet.

a) 8,600 b) 8,800c) 10,800d) 12,800

Answer: A Solution: Page 288, 215 bf per 100 sf120' + 80' + 120' + 80' = 400' x 10' long = 4,000 sf / 100 x 215 = 8,600 bf Question ID: 20166

39.An excavation measuring 130 feet by 100 feet is shored with U.S. sheet piling section number PS-31. The sheets, each 30 feet long, are used to support the vertical sides of the excavation. Theweight of the steel sheet piling will be ________ tons.

a) 214 b) 294

c) 441d) 588Answer: A Solution: Page 293, PS-31, 31# per sf130 + 100 + 130 + 100 = 460 lf x 30 = 13,800 sf x 31 = 427,800 lbs / 2000 = 213.9 tons Question ID: 20167


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40.The finishing of concrete pavements is a series of operations performed in which order?

a) consolidation, floating, straight-edging and brooming b) strike-off, floating, brooming and straight-edgingc) floating, strike-off, straight-edging and broomingd) strike-off and consolidation, straight-edging, floating, brooming, and edging


41.PZ27 U.S. Steel sheet piling, 25 feet long is used in an excavation measuring 50 feet by 50 feet.The total weight will be ____ tons.

a) 45 b) 67.5c) 80d) 135

Answer: B Solution: Page 293, PZ27, 27# psf, 1 ton = 2,000 #50' + 50' + 50' + 50' = 200' x 25' = 5,000 sf x 27# psf / 2,000 = 67.5 tons Question ID: 20169

42.An 80 horsepower diesel bulldozer engine will consume _____ gallons of fuel per hour.

a) 3.2 b) 4.0c) 7.3d) 8.0

Answer: A

Solution: Page 19480 hp x .04 = 3.2 gph Question ID: 20170

43.PZ-27 U.S. Steel sheet piling has a width of _____ inches per sheet.

a) 16" b) 18"c) 21"d) 38"

Answer: B



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44.An excavation measuring 60 feet by 40 feet will be shored using PS-31 steel sheet piling in 28'lengths. How many tons will be required?

a) 86.80 b) 75.60c) 80.20d) 44.80

Answer: A Solution: Page 293, PS-31, 31# psf, 1 ton = 2,000 #60' + 40' + 60' + 40' = 200' x 28' = 5,600 sf x 31 psf / 2,000 = 86.80 tons Question ID: 20172

45.A 2:1 slope indicates _____________.

a) 2 inches horizontal to 1 foot vertical b) 2 feet horizontal to 1 inch verticalc) 2 feet horizontal to 1 foot verticald) 2 feet vertical to 1 foot horizontal

Answer: C Solution: Page 169, horizontal to vertical Question ID: 20173

46.The weight of a 20 foot length of PZ27 steel sheet piling is ____.

a) 540 lbs b) 640 lbsc) 800 lbs.d) 810 lbs

Answer: D

Solution: Page 293, PZ27, 27# psf or 40.5# plf20 lf x 40.5 plf = 810 lbs.Or 20' x 1.5' x 27 psf = 810 lbs. Question ID: 20174

47.A grade of 5-1/2% is the equivalent of approximately _________.

a) 0.66' vertical rise per running foot b) 6.60" vertical rise per running footc) 0.55" vertical rise per running footd) 0.66" vertical rise per running foot

Answer: D Solution: Math, 5.5% is .055 x 12" = .66 inches of rise per foot Question ID: 20175


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48.In the selective cutting and removal of trees, a 12" round by 25' high tree will require ______hours to cut and remove by hand.

a) 3 b) 8c) 12d) 15


49.Which of the following four choices are true?

1. When hand excavating small footings in sandy loam, you can expect a laborer to move 6cubic yards per 8 hours.

2. A 1/2 cubic yard backhoe can move 150 cubic yards per 8 hour day when placingmaterial into waiting trucks.

3. When backfilling and compacting stockpiled material by hand, a laborer should move 12cubic yards per 8 hours.

4. A 1 cubic yard crawler mounted backhoe with operator will cost approximately $15,492a month in rental fees.

a) Only 1 is correct b) Only 2 is correctc) Only 3 is correctd) All 4 are correct

Answer: D Solution: (1 - 183) (2 - 183) (3 - 183) (4 - 189) Question ID: 20177

50.What is the easiest and most frequently used method of computing grading cuts and fills?

a) The End Area Method b) The Excess and Borrow Methodc) The Average Grade Methodd) The Cross-Sectional Method


51. If interest, insurance, taxes and storage are based on 20% of the average investment of a powershovel, the annual amount will be ______, if a $150,000 shovel has an 8 year life.

a) $16,875 b) $18,750c) $84,375d) $ 3,750

Answer: A Solution: Page 192, find figure for 8 years Question ID: 20179


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52.Repairs, maintenance and supplies for a 2 cubic yard, $106,000 power shovel, with an 8 year lifeis ____________ per hour.

a) $6.62 b) $66.20c) $662.50d) $82.81

Answer: A Solution: Page 193$106,000.00 x .00625% = $6.62/hr Question ID: 20180

53.The average useful life of a 1-1/2 cubic yard backhoe is _____.

a) 5 years b) 6 yearsc) 7 yearsd) 8 years


54.A trench 150 feet long by 20 feet wide is to be shored on 4 sides using PZ-40 steel sheet piling.How many sheets are required?

a) 170 b) 227c) 256d) 207

Answer: D Solution: 293,PZ-4019.70" wide / 12" = 1.64' wide150' + 20' + 150' + 20' = 340' / 1.64' wide = 207 sheets Question ID: 20182

55.A 70 hp bulldozer is used to clear 5 acres of light brush, vegetation and tree saplings. The

bulldozer is 83% efficient. The time required to complete the clearing will average ____.a) 30 hours b) 36 hoursc) 182 hoursd) 230 hours


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Answer: D Solution: Page 225900 - 1000 sf per hour = 950 sf averagesection 24.2, 1 acre = 43,560 sf43,560 x 5 acres = 217,800 sf / 950 sf = 229.3 hrs Question ID: 20183

56.If 3 men are using pneumatic tampers for backfill tamping, the number of men required to do themanual backfill is ___. Assume excavated earth is shoveled directly into trenches.

a) 3 men b) 6 menc) 9 mend) 12 men

Answer: B Solution: Page 246, 2 men per tamper, 3 x 2 = 6 Question ID: 20184

57.A contractor installs chain link fence at the rear of a 48 foot wide residence. The fence will extend60 feet to the rear property line enclosing the back yard on 3 sides. Chain link fence costs $15.00

per yard, including posts, and 1 - 3 foot required gate, including posts, costs $42.00. What will thefencing system for the residence cost?

a) $825.00 b) $867.00c) $882.00d) $1,107.00

Answer: B Solution: Page 312 and problem solving

60' + 48' + 60' = 168'/ 3 = 56 yards - 1(gate) = 55 x 15.00 = $825.00 + $42.00(gate) = $867.00 Question ID: 20185

58.A tremie is used where care must be exercised to reduce shock loading of concrete against formmaterial and should be used when the "free fall" distance is more than ____.

a) 4' b) 6'c) 8'd) 12'

Answer: A



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59.When installing lightweight high-strength corrugated steel forms, the ends of the sheets should lapa minimum of ________.

a) 1" b) 2"c) 3"d) 4"


60.13,360 pounds of #4 reinforcing bars, 20' long, are required on a project. The material supplier has20' long #5 bars available. If the same length #5 bars are used as the #4 bars required, theadditional weight of the bars would be _____ pounds.

a) 7,500 b) 13,360c) 20,860d) 7.5

Answer: A Solution: Page 447, #4 = .668 plf, #5 = 1.043 plf Question ID: 20188

61.#5 reinforcement bars are lapped 30 diameters. The length of the lap will be at least ___.

a) 15 inches b) 18.75 inchesc) 22.5 inchesd) 30 inches

Answer: B Solution: Page 447, #5 = .625" x 30 = 18.75" Question ID: 20189

62.The weight of 6x6-8x8 steel mesh to be placed in a 20' x 100' concrete driveway will be ______

pounds.a) 320

b) 490c) 580d) 1040

Answer: C Solution: Page 396, 29 pounds per 100 sf20' x 100' = 2,000 / 100 x 29 = 580 pounds Question ID: 20190


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63.Sand nearly always contains surface moisture, usually about ______ percent by weight.

a) 1 or 2 b) 2 or 3c) 4 or 5d) 9 or 10


64.The recommended maximum concrete slump for plain footings and slabs is ___ inches.

a) 1 b) 2c) 3d) 4


65.The water-cement ratio, by weight, for non-air-entrained 3,000 psi concrete is _____.

a) 0.48 b) 0.57c) 0.59d) 0.68

Answer: D Solution: Page 477, Table 4 (a) Question ID: 20193

66.200 lengths of rebar are used on a project. The plans are provided with metric measure. The plansindicate a 16m bar for the concrete footings. The bar diameter will be ___ mm.

a) 11.3 mm b) 13 mmc) 15.90 mmd) 16 mm


67.Ready-mixed concrete using high early strength Portland cement will develop the same strength in

____ hours as is obtained with normal Portland cement in 7 to 10 days.a) 24

b) 36c) 48d) 72


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68.The 16" thick second floor slab of a 2-story building is to be concrete construction using the 10"deep, 30" x 30" Ceco steel dome system. The 42' x 82' building will have 8 bays per floor and 49steel domes per bay. The total volume concrete required to construct the second floor only is ____cubic yards.

a) 64 cy b) 101 cyc) 170 cyd) 240 cy


69.The volume of concrete required to pour a slab 50' x 60' over 30" wide flange type Ceco steelforms with an 8" depth, a 5" joist width, and 3" of concrete over the form is ___ cy.

a) 45 cy b) 47 cyc) 75 cyd) 88 cy

Answer: A Solution: Page 54850 x 60 = 3,000 x .408 = 1,224 / 27 = 45.33 Question ID: 20197

70.When bonding old concrete and new concrete, 5 gallons of weld-crete, when sprayed, will coverabout _____ square feet.

a) 200 - 300 b) 400 - 600c) 1,000-1,500d) 2,000

Answer: C Solution: Page 581 (200 x 5 = 1,000) (300 x 5 = 1,500) Question ID: 20198

71.The weight of #5 reinforcing bar is _____ pounds per linear foot.

a) 5.000 b) 1.043c) 1.502d) 0.625


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72.The basic relationship of concrete proportions states that the wetness of concrete, measured interms of slump is ___________.

a) Workability b) Consistencyc) Strengthd) Durability


73.According to Walkers, The maximum slump for pavement and slabs when consolidated bymethods other than vibration is listed as _________.

a) 5" b) 4"c) 3"d) 2"

Answer: A Solution: Page 474, Table 1, * Footnote, + 1" Question ID: 20201

74. _______ pounds of water is recommended for a cubic yard of air entrained concrete with 1"aggregate and a slump of 3"- 4".

a) 295 b) 325c) 310d) 340

Answer: A Solution: Page 476, Table 3, 295 # per cy Question ID: 20202

75.

ASTM C-94, specification for ready-mixed concrete, states ready mixed concrete must bedelivered and discharged from the truck mixer within ___ after the introduction of water.a) 1 hour

b) 1.25 hoursc) 1.5 hoursd) 2 hours

Answer: C Solution: Page 487, 1-1/2 hours Question ID: 20203


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76.Mesh reinforcing weighs _______ per 100 square feet for style 6x6 - 4x4.

a) 42 lbs. b) 58 lbs.c) 62 lbs.d) 85 lbs.


77.In reference to building materials, roofing gravel weighs ______ pounds per cubic yard.

a) 2,500 b) 2,600c) 2,700d) 2,800


78.If the outside dimensions of a square concrete slab are 120', the diagonal distance from corner tocorner will be ______.

a) 140'- 2" b) 156'- 4"c) 160'- 6"d) 169'- 8"

Answer: D Solution: Math formula Question ID: 20206

79. _____ sacks of cement will yield 1 cubic yard of concrete when mixed with 3/4" maximumaggregate. Assume a slump of 3" to 4".

a) 4.00 b) 5.75c) 6.00

d) 6.25Answer: D Solution: Page 516, chart, 3/4", under cubic yard Question ID: 20207


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80.With regard to color for concrete floors, for 1" topping, use no more than _____ gallons of mixingwater, including water in aggregates

a) 9 b) 5c) 2d) 10


81.Post-tensioning anchorages are typically designed to permit the stressing of tendons when theconcrete reaches a strength of _________.

a) 1,500 psi b) 2,500 psic) 3,000 psid) 3,500 psi


82.How long would it take to cut off 120 - 16" square precast concrete piles?

a) 130 manhours b) 156 manhoursc) 120 manhoursd) 204 manhours

Answer: B

Solution: Page 275, back in site work, not concrete Question ID: 20210

83.The volume of mortar required to lay 1,000 face brick, in Dutch bond, using 1/2" end joints and

bed joints is _______ cubic feet. Assume the wall the be 4" thick.a) 7

b) 11.7c) 12.1d) 12.9

Answer: D

Solution: Pages 638-639, cubic feet per 1,000 face brick1,000 face brick, 1/2" bed joints, 11.7 cf + 10% for Dutch bond = 12.87 Question ID: 20211


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84.8" x 2 1/4" x 3 3/4" standard brick are used in a 10' x 20' wall. The brick will be 2 courses thickwith 1/4" vertical joints and 1/2" bed joints. The wall has a full header course every 5th course.The total number of brick required for the wall will be ____.

a) 1,266 b) 1,520c) 2,534d) 3,041

Answer: D Solution: Pages 646-647, 8" thick, 1/2" bed, 12.67 per sf10' x 20' x 12.67 = 2,534 x 1.20 = 3,041 Question ID: 20212

85.A brick wall, 24 feet by 9 feet by 4 inches thick, is constructed with 1/4" mortar joints. If anallowance of 5 percent is made for waste of mortar, the volume of mortar required in theconstruction of the wall would be _____________ cubic feet.

a) 8.17 b) 8.61c) 9.04d) 9.47

Answer: C Solution: Page 647, 4" thick, 1/4" bed, 7 per sfPage 639, 4" thick, 1/4" bed, 5.7 cf / 100024' x 9' x 7 = 1,512 brick / 1,000 = 1.512 units x 5.7 = 8.61 x 1.05 waste = 9.04 Question ID: 20213

86.4" x 4" x 12" modular face brick are used with a 3/8" mortar joint, the volume of mortar for 1,000

brick would be ______ cubic feet.a) 36.90

b) 30.00c) 12.29d) 9.99

Answer: C Solution: Page 669, 1,000 / 3 per square foot = 333.33 sq. ft.333.33 / 100 = 3.33 x 3.69 = 12.29 cubic feet of mortar Question ID: 20214

87.

When constructing a wall of twin brick, 8" x 8" x 2-1/4" in size, about _______ cubic feet ofmortar is required per 1,000 brick.a) 15

b) 18c) 20d) 25

Answer: D Solution: Page 680, 25 cubic feet per 1,000 Question ID: 20215


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88.

When handling masonry by palletization, a standard pallet, 32" x 24", accommodates enough brickmaterial to build ______.

a) 10 linear feet of wall, 8 feet high and 4 inches thick b) 10 linear feet of wall, 4 feet high and 4 inches thickc) 8 linear feet of wall, 4 feet high and 6 inches thickd) 8 linear feet of wall, 6 feet high and 8 inches thick


89.A 10' x 200' load bearing masonry wall is constructed with 5-5/8" x 7-5/8" x 11-5/8" concrete

blocks. The wall will require _____ blocks. Assume no waste for the block.a) 1,500

b) 2,400c) 3,000d) 4,800

Answer: C Solution: Page 716, 10' x 200' = 2,000 / 100 x 150 = 3,000Note: Block 7-5/8" x 7-5/8" x 15-5/8" requires 112.5 per 100 sf, highlight this too ! Question ID: 20217

90.A cavity wall consists of two walls separated by continuous air space and securely tied togetherwith non-corroding metal ties for each _________ square feet of wall surface.

a) 2 b) 3c) 9d) 12


91.4 cf bags of vermiculite fill _____ square feet of 8" block wall.

a) 25 b) 20

c) 14.5d) 6.66Answer: C Solution: Page 736 Question ID: 20219


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92. ________ standard brick, 8" x 2 1/4" x 3 3/4", with 1/2" bed joints are required per square foot ofwall area. Assume 1 brick thick.

a) 7.33 b) 7.00c) 6.67d) 6.33

Answer: D Solution: Page 647, 4" thick, 1/2" bed joints Question ID: 20220

93.A 30' long x 5' high face brick wall is constructed using 1/4" end joints and 1/2" bed joints. Therewill be _________ brick required using a full header every fifth course and a common bond.

a) 1,260 b) 1,200c) 1,140d) 950

Answer: C Solution: 647-64830' x 5' x 6.33 x 1.20 = 1,140 Question ID: 20221

94.A Flemish bond using full headers every course adds ______ percent to the brick order.

a) 33.33% b) 16.66%c) 8.33%d) 5.6%

Answer: A Solution: Page 648 Question ID: 20222

95.The specification available for Portland cement is _______.

a) ASTM C 91 b) ASTM C 150c) ASTM C 476d) ASTM C 94

Answer: B



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96.Of the following four statements, which is true ?

1. Mortar is subdivided into types M, N, O, and P.2. Type II Portland cement is used in most mortars3. Lime products sold in bags are usually quoted by the ton4. Pressure hydrated lime is referred to as type "N"

a) 1 is true b) 2 is truec) 3 is trued) 4 is true

Answer: C Solution: Page 636-639 Question ID: 20224

97.An experienced mechanic should clean between ____ and ____ face brick per hour.

a) 625 - 688 b) 750 - 825c) 3,500 - 4,000d) 5,000 - 5,500

Answer: A Solution: Page 691, 5,000-5,500 in 8 hrs.

5,000 / 8 = 6255,500 / 8 = 688

Question ID: 20225

98.According to Walkers Estimating, when laying glass block, mortar joints shall not be less than

_____, for Type S mortar.a) 1/8"

b) 3/16"c) 1/4"d) 3/8"


99.When constructing an 8' high glass block wall panel, expansion joint shall be placed ___.

a) on the head and sill of the panel only b) on both side jambs of the panel onlyc) on the head and both jambs of the panel onlyd) on the sill of the panel only



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Answer: A Solution: Page 825W = I beam, 12 = deep, 45 = # lf Question ID: 20232

105.A welder fillet welds 200' of 3/8" steel plates in the horizontal position, the total weight ofelectrode required is ___ pounds.

a) 30 b) 40c) 50d) 60

Answer: D Solution: Page 818200' x .30# per foot = 60 Question ID: 20233

106.A one inch square bar of steel, 1'- 0" long weighs ______ pounds.

a) 3.40 b) 13.60c) 15.40d) 30.40


107.When steel joists are used in fireproof construction, it's necessary to place a __ reinforced slabover the joists and a fire resistant ceiling beneath the joists to obtain the rating.

a) 2" to 2-1/2" b) 3" to 3-1/4"c) 3" to 3-1/2"d) 4" to 4-1/2"


108. The weight of 8d split-less wood siding nails to install 2,000 bf of 3/4" x 8" siding is ___.a) 5 pounds

b) 6 poundsc) 10 poundsd) 12 pounds

Answer: D Solution: Page 8793/4" x 8", 8d, 6 pounds per 1,000 bf Question ID: 20236


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109.Square cap roofing nails with a full 15/16" square head are used on a job. The length of the nail is1". What is the approximate number of nails in a 50 pound box?

a) 78 b) 780c) 3,900d) 5,300

Answer: C Solution: Page 88478 nails per pound x 50 Question ID: 20237

110 .11 gauge nails are used for 3/4" plywood sub-floors. 2,700 nails for a job will weigh __ pounds.

a) 20 b) 23c) 25d) 27

Answer: B Solution: Page 8852,700 / 118 nails per pound = 23 pounds Question ID: 20238

111 .Which connector is a malleable iron casting of a grid-like structure with teeth protruding from

both faces?a) Toothed Rings

b) Spike Gridsc) Shear Platesd) Wedge-Fit Split Rings


112 .Hardware accessories used for wood framing include H-clips for plywood support and spacing.1,000 H-clips would cost ________.

a) $45.00 b) $50.00c) $55.00d) $75.00

Answer: D Solution: Page 893$7.50 per 100 Question ID: 20240


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113 .Where it is necessary to place wood furring strips on brick before lathing, a carpenter should placean average ________ linear feet of furring in an 8 hour day.

a) 325 b) 450c) 525d) 775

Answer: C Solution: Page 938500 to 550 lf per day, average 525 lf Question ID: 20242

114 .Of the following four statements, which is false?

1. Electric saws cut 10 to 20 times faster than a handsaw.2. The board foot formula is W" x T" x L" / 123. When estimating stud quantities for a wall, remember to always add one.4. 2" x 12" rough sawn cedar has two board feet per linear foot

a) 1 is false b) 2 is falsec) 3 is falsed) 4 is false

Answer: B Solution: (1 - 861) (2 - 862) (3 - 867) (4 - 873) Question ID: 20243

115 .Rafter length for a 5:12 rise and run can be figured by using a factor of ___ times the run.

a) 1.031 b) 1.054c) 1.083d) 1.118

Answer: C Solution: Page 8745/24 = 5:12 Question ID: 20244

116 .

A roof having a 5/12 pitch _________________.a) rises 5 inches for every 12 inches of run b) rises 7 inches for every 12 inches of runc) rises 9 inches for every 12 inches of rund) rises 10 inches for every 12 inches of run

Answer: D Solution: Page 874a 5:12 pitch is a 10:12 rise and run Question ID: 20245


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117 .Which truss develops movement at its bearing points when under load?

a) a Cantilever truss b) a Clerestory trussc) a Mono pitch trussd) a Scissors truss


118 .Top chord bearing parallel chord trusses should have a maximum gap of ____ between the insideof the bearing wall and the first diagonal or vertical web.

a) 1/8 inch b) 1/4 inchc) 1/2 inchd) 3/4 inch


119 .An 18'- 9" wood roof truss should not deflect more than ______ for the bottom chord.

a) 1/8 inch b) 1/4 inchc) 3/8 inchd) 1-1/8 inches

Answer: D Solution: Page 90918 x 12 = 216 + 9 = 225 / 200 = 1.125" Question ID: 20248

120.For walls or floors, the single thickness of felt membrane waterproofing should lap ____,depending on specifications.

a) 2"- 4" b) 4"- 6"

c) 6"- 8"d) 8"- 12"Answer: B Solution: Page 1047 Question ID: 20249


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121.One coat of Dehydratine 10 heavy dampproof paint is applied to one side of a masonry wall. Themasonry wall is 10' x 100'. _______ gallons of the paint would be required.

a) 10 b) 25c) 33 1/3d) 35

Answer: C Solution: Page 105610' x 100' = 1,000 / 30 = 33.33 gallons Question ID: 20250

122.A common building material, 8" cinder block, has an R-value of

a) 8.88 b) 5.33c) 1.11d) 2.00


123.The surface area, 3 1/2" thick, covered by 1 bag of 8 cubic foot density loose insulating woolweighing 40 pounds, including the area covered by studs or joists, is __ square feet.

a) 16.2 b) 17.2c) 18.3d) 19.7

Answer: C Solution: Page 10723 1/2", 8# density Question ID: 20252

124.A 32' x 32' building has a rise and run of 8 in 12. The roof slope factor will be _____.

a) 1.118 b) 1.158c) 1.202d) 1.564

Answer: C Solution: Page 1087multiply flat area by 1.202 Question ID: 20253


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125.Refer to the Master Plan Set, Sheet A-05. The total roof area for the residence is ______ squarefeet.

a) 2,910 sf b) 3,067 sfc) 3,373 sfd) 4,228 sf

Answer: B Solution: Pages 1083-1087the factor for a 4:12 slope is 1.054 Question ID: 20254

126.Refer to the Master Plan Set, Sheet A-05. The total length of the hips for the roof is ________.

a) 43.59' b) 69.74'c) 74.10'd) 95.89'

Answer: C Solution: Page 1087the factor for a 4:12 hip or valley is 1.453 Question ID: 20255

127.Refer to the Master Plan Set, Sheet A-05. The total length of the ridge for the roof is ________.

a) 99 feet b) 81 feetc) 66 feetd) 47 feet


128.If an 18" wood shingle is placed on a 6:12 roof, the exposure for the shingle should be __.

a) 4-1/4" b) 5"c) 5-1/2"d) 7-1/2"

Answer: C



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129.A 22" x 12" roofing slate laid with a 3" lap has _________ pieces per square.

a) 95 b) 106c) 109d) 126


130.Corrugated steel installed on a 1/4 pitch roof requires a ________ end lap.

a) 2" b) 3"c) 4"d) 5"


131.The number of corrugated aluminum roofing sheets required for 100 square feet of area is _____,for 7' long x 35" wide x 0.032".

a) 4.90 b) 5.27c) 5.71d) 6.23

Answer: A Solution: Page1114 Question ID: 20260

132.A 1,200 sf roof covered with 2 plies of No.15 felt will require ______ rolls. Allow no lap.

a) 2.77 b) 3c) 5.55d) 6

Answer: C Solution: Page 11261,200 sf x 2 / 432 = 5.55 rolls

Question ID: 20261


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133.The metal flashing used in connection with a flat roof deck covered with felt or built-up roofingusually extends ___ up the side of a brick fire wall and under the roofing as well.

a) 2"- 4" b) 4"- 6"c) 6"- 8"d) 6"- 12"


134.A 5 worker crew, in an 8 hour day, should install _____ squares of 3-ply asphalt built-up roofingover a concrete roof deck on a Type A building based on first class workmanship.

a) 18 b) 22c) 24d) 17

Answer: B Solution: Page 1127 read note 4 Question ID: 20263

135.One roofer can install ______ square feet of 1/16" butyl sheet roofing material per day.

a) 225 b) 325c) 425d) 525

Answer: A


136.To obtain actual valley length for a 4:12 sloped roof, multiply the roof run by ______.

a) 1.054 b) 1.083c) 1.436d) 1.453

Answer: D Solution: Page 1087

Question ID: 20265

137.To obtain actual roof area for a 9:12 rise and run, multiply the flat roof area by ______.

a) 1.118 b) 1.250c) 1.302d) 1.600


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138.To obtain actual hip length for a 4:12 rise and run, multiply the roof run by ________.

a) 1.453 b) 1.500c) 1.564d) 1.612


139.When a shingler is to lay wood shingles on a difficult gable roof which is cut up with gables,dormers, hips and valleys, and the shingles are laid 4-1/2" to the weather, the actual time requiredfor the shingler to lay one square is __________ hours.

a) 2.5 b) 2.8c) 3.0d) 4.0


140.If laying wood shingles 5" to the weather, _______ pounds of 3d nails will be required.

a) 1.6 pounds, per square b) 2.0 pounds, per squarec) 2.5 pounds, per squared) 4d nails are required


141.Which of the following building materials has the closest R-value to 4" face brick?

a) 1/2" gypsum board b) a 4" concrete slabc) 8" lightweight blockd) 1" x 8" drop siding



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142.When using 40 lb. bags of loose insulating wool containing 4 cubic feet, including the areacovered by ceiling joists, it will cost $ ____ to insulate a 20' x 30' ceiling using a density of 10cubic foot per pound and a thickness of 4 inches. Each bag costs $1.69.

a) $70.00 b) $80.00c) $90.00d) $98.00

Answer: B Solution: Page 107210 lb. density, 4" thick, 12.7 sf / bag20' x 30' = 600 / 12.7 = 47.24 bags x $1.69 = $79.83 Question ID: 20271

143.The approximate number of bags of vermiculite fill required for an 8" block wall with 1,000square feet of area is ________.

a) 69 b) 34c) 7d) 63


144.The rate of conductance of a combination of materials, known as its "U" factor, is the BTU perhour, per inch of thickness, per square foot, per degree temperature difference. R ratings arereciprocals of conductance and therefore, one would use the formula ____.

a) R = U / 1 b) R = 1 / Cc) R = C / 1d) R = 1 / U


145.The R-value for a wall assembly with a U-value of .075 is ______.

a) .075

b) 13.33c) 7.50d) 14.28

Answer: B Solution: Page 1069R = 1 / U1 / .075 = 13.33 Question ID: 20274


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146.The maximum spacing of vertical supports when attaching flat expanded lath is ____ o.c.

a) 10" b) 12"c) 16"d) 24"


147.A suspended ceiling is installed using main runners consisting of 1-1/2", 0.475 pound, cold rolledchannels supported by 10 gauge wire hangers spaced 3'- 6" apart. What is the maximum center tocenter spacing of the main runners?

a) 2'- 0" b) 2'- 6"c) 3'- 0"d) 3'- 6"


148.The scratch and brown coats of stucco should be mixed in the proportion of 1 part Portland cementto _____ parts clean sand.

a) 1 b) 2c) 3d) 4


149.What would 80 bundles of 3/8 inch gypsum lath weigh, in tons?

a) 1 ton b) 2 tonsc) 3 tonsd) 4 tons

Answer: B

Solution: Page 126080 x 50 = 4,000 / 2,000 = 2 tons Question ID: 20278


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150.Some locales mandate a flush not greater than ______ gallons, for water closets.

a) 1.0 gallon b) 1.5 gallonsc) 2.5 gallonsd) 3.5 gallons


151.Estimate the cubic yards of material to be excavated from a pit with a base dimension of 4' x 20'.The pit is 8' deep, the sides and ends are sloped at 1 to 1, which is Type B soil.

a) 23.70 b) 56.88c) 99.55d) 1,536

Answer: C Solution: Mensuration page 1565 Question ID: 20290

152.Healthy workers are productive ones, and a good safety record can mean lower workerscompensation rates, which for some contractors can be ____ to ____ of total contract amount

a) 1% - 3% b) 2% - 5%c) 5% - 10%d) 8% - 12%

Answer: C

Solution: Appendix B page 1615 Question ID: 20291

153.Masonry units that do not meet the standards or specifications and have been rejected is known as

________?a) EBM

b) eccentricityc) cullsd) collective

Answer: C

Solution: Appendix A page 1598 Question ID: 20292


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158.Rust proof metal ties shall be placed every ______ course and _____ on center in brick cavitywalls.

a) 6th, 30” b) 6th, 36”c) 8th, 30”d) 8th, 36”


159.What is the Swell Percentage of well blasted rock?

a) 10% b) 15%c) 20%d) 25%


160.Wood roof trusses are used for spans as short as ______ and can be used up to _____ .

a) 15’, 200’ b) 25’, 200’c) 15’, 250’d) 25’, 250’


161.For a Contractor to get pre-qualified to bid on public work, he would generally use document:

a) AIA A701 b) AIA G706c) AIA A-305d) AIA A-904


162.How many pounds are 4.5 Metric Tons?

a) 8,818 b) 9,000c) 9,921d) 9,989


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Answer: C Solution: Mensuration, page 1582Tons, metric 2204.62 Pounds4.5 x 2204.62 = 9,920.79 Question ID: 20302

163.Which of the following is best at describing the relationships of project activities?

a) Bar Charts b) Gantt Chartsc) Network logic diagramsd) A/R analysis


164.A contractor needs to pour 9 bollards which are 8” in diameter and 9 feet long. How many cubicyards of concrete would be required?

a) .11 b) 1.03c) 4.22d) 12.56

Answer: B Solution: 3.14 x .33 x .33 = .342 sf x 9' = 3.08 cf x 9 bollards = 27.72 / 27 = 1.03 Question ID: 20306

165.According to Walkers, If lumber costs $.39 per board foot, how much would the lumber cost toconstruct a wall 20' long, 10' high using 2 x4 studs at 16" o.c. with single top and bottom plates.Make no allowance for waste.

a) 23.23 b) 51.87c) 87.11d) 88.22

Answer: B Solution: Page 868 Section 6.7133 x .39 = 51.87 Question ID: 20307

166.According to Walker’s Building Estimator’s Reference which of the following schedule activitieswould be frozen and saved?

a) Early start b) Targetc) Baselined) Milestone


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167.A contractor is calculating Masonry labor costs for a building. Up to 12 stories tall a factor of100% is used. What factor would be used for the 22nd floor of the building?

a) 110% b) 112%c) 113%d) 114%

Answer: A Solution: Table, Page704 Question ID: 20312

168.In CPM calculations Total float is calculated by:

a) Early Start minus Late Start of an activity b) Late Start minus Early Start of an activityc) Probable Start minus Early Start of an activityd) Late Start minus Probable Start of an activity


169.What is the most common tool for scheduling construction activities?

a) Bar Charts b) Gantt Chartsc) Critical Path Method (CPM)d) Project Evaluation and Review Technique (PERT)


170.Which of the following would serve as the guide for purchase of material and the award ofsubcontracts?

a) The detailed estimate b) The preliminary estimatec) The project specificationsd) The project contract



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176.Chalkboards, whether black or green in color, are made from ________.

a) chalk b) boardsc) hardboardd) slate


177.Constructing the temporary end of a masonry wall with the end stretcher unit of every alternatecourse projecting is called __________________.

a) corbelling b) toothingc) steppingd) half-done

Answer: B Solution: Appendix A, Glossary look under the letter T Toothing. Page 1610_]_____]_]_____]_]_____]

_]_____] Question ID: 20323

178.According to Walker's Building Estimator's Reference Book, Contractors will frequently useinformation about subsurface conditions on the working drawings which include a disclaimer.Who would be responsible for the accuracy of this information?

a) The contractor b) The architectc) The engineer

d) The ownerAnswer: A Solution: Page 149 Question ID: 20324


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179.Which selection best represents the additional labor cost associated with handling brick and mortarfor a 22 story high building?

a) 2.5% b) 10%c) 12%d) 22%

Answer: B Solution: page 704 Question ID: 20325

180.Which of the following would indemnify the owner against loss resulting from the failure of thecontractor to complete the work in accordance with the plans and specifications?

a) Performance Bond b) Payment Bondc) Contractor Liability Insuranced) Builders Risk Insurance


181.What is the difference in swell factor between “Dry Clay” and “Wet Clay”?

a) 0% b) 1%c) 10%d) 20%

Answer: A


182.The weight of 150' of 2-1/2" x 2-1/2" x 3/16" steel angles is tons.

a) .23 b) 3.07c) 225d) 460.5

Answer: A Solution: Walkers, Page 835, 150 x 3.07/2,000 = .23 tons

Question ID: 20543