1 Exam Prep Plumbing State Contractors Practice …oneexamprep.com/temp/plumbing-practice-exam-1.pdfPlumbing State Contractors Practice Exam 1 1. ... What is the maximum static pressure

1 Exam Prep – Plumbing Practice Exam 1 1

1 Exam Prep

Plumbing State Contractors

Practice Exam 1

1. According to Florida Rules: Chapter 64E-6, if building construction has commenced, for how many

additional days past the eighteen month expiration date, shall a sewage system permit be valid?

A. None

B. 30

C. 60

D. 90

2. The ratio of the ultimate breaking strength of a piece of equipment to the actual working stress when in

use is known as the .

A. occupational hazard

B. construction condition

C. condition of protection

D. safety factor

3. According to Mathematics for Plumbers and Pipefitters, a waste oil tank that is 3'3" in diameter and is 6'4"

long, will hold gallons of waste oil. Select the closest answer.

A. 394

B. 360

C. 340

D. 391

4. What is the minimum diameter for a non-hydraulically calculated Class III fire standpipe that is part of a

combined system?

A. 2"

B. 3"

C. 4"

D. 6"

5. According to NFPA 99, SCFM is an acronym for .

A. Surface Conditions at Fahrenheit Mercury

B. Standard Conditions at Fahrenheit Mercury

C. Standard Cubic Feet per Minute

D. Surface Conditions for Meters


6. According to the Plumber’s Handbook, a circuit vent rises vertically from between the located

on a horizontal branch drain and connects to the .

A. Lowest fixtures…Vent stack

B. Lowest fixtures…Horizontal vent

C. Last two fixture traps…Vent stack

D. Last two fixture traps…Stack vent

7. An appliance designed and installed in such a manner that all of the products of combustion are conveyed

directly from the appliance to the outside atmosphere through an approved chimney or vent system is

called ?

A. Draft hood

B. Furnace box

C. Appliance, vented

D. Metal chimney

8. Urinals shall be the stall-type or the wall hung type with the rim inches max above the finish floor

A. 20

B. 18

C. 17

D. 16

9. If the MAXIMUM flow-through rating for a grease interceptor is 75 gpm, what is the grease retention

capacity?

A. 50 lbs.

B. 70 lbs.

C. 100 lbs.

D. 150 lbs.

10. The radius of the inner curve of plastic pipe bends for gas piping shall be a minimum of ______ times the

inside diameter of the pipe.

A. 5

B. 15

C. 25

D. 35

11. According to the Florida Gas Code, outdoor combustion air opening for two 100,000 btu appliances when

directly communication with the outside should be a minimum .

A. 10 sq" total

B. 25 sq" total

C. 30 sq" total

D. 50 sq" total


12. According to the Plumber’s Handbook, a circuit vent rises vertically from between the located

on a horizontal branch drain and connects to the .

A. Lowest fixtures…Vent stack

B. Lowest fixtures…Horizontal vent

C. Last two fixture traps…Vent stack

D. Last two fixture traps…Stack vent

13. For year-round use, a collector tilt of ____ degrees works best for a project located in Tampa, Florida.

A. 28 degrees

B. 31 degrees

C. 38 degrees

D. 43 degrees

14. According to Florida Rules: Chapter 64E-6, when determining a soil absorption profile for application for a

sewage disposal system, soil samples shall be taken to a depth of ?

A. 3'

B. 5'

C. 6'

D. 10'

15. A female employee complains that there are not separate toilets for the 20 women working on the site. She

further states that all 160 males and females use the same toilet. She said that the contractor is not complying

with OSHA. According to OSHA, the employee .

A. does not have a valid complaint since OSHA has no specific instructions as to male and female toilets. The

project is only required to have four toilets and four urinals.

B. does not have a valid complaint since OSHA has no specific instructions as to male and female toilets. The

project is only required to have five toilets and five urinals.

C. has a valid complaint since OSHA specifies that five toilets and five urinals for men and a separate toilet for

women are required on a project of that size.

D. has a valid complaint since OSHA specifies five toilets and four urinals for men and a separate toilet for

women are required on a project of that size.

16. According to Mathematics for Plumbers and Pipefitters, a lead roof boot with a 5" hole that is 18" high and

has a flat plate area of 18" x 18" requires square feet of lead to make.

A. 3.2

B. 4.1

C. 8.2

D. 9.1


17. Connections to public water systems shall be controlled by post-indicator valves of an approved type

located at least from the building protected.

A. 40"

B. 96"

C. 20'

D. 40'

18. According to NFPA 99, a pressure not exceeding 200 psig is considered a pressure.

A. High

B. Partial

C. Remote

D. Working

19. According to the Plumber's Handbook, the air gap must be a minimum of above the flood

level rim of a floor sink.

A. 1 1/2

B. Half the drain pipe size

C. Twice the size of beehive strainer

D. 1" or twice the drain pipe size

20. A British Thermal Unit, BTU, is the quantity of heat required .

A. To raise 1 kilogram of water 1 degree C.

B. To raise 1 pound of water 1 degree F.

C. To raise 1 kilogram of steam 1 degree C.

D. To raise 1 pound of steam 1 degree F.

21. Where multiple single user portable toilet or bathing units are clustered at a single location no more

than % of the toilet units and bathing units at each cluster shall be required to comply with 603.

A. 50

B. 75

C. 25

D. 10

22. All of the following fixtures require a 1-1/2" trap EXCEPT a

A. bidet

B. bathtub

C. shower

D. sink


23. Flush tanks are required to be equipped with an anti-siphon fill valve backflow preventer installed a

minimum of ____ inch(es) above the full opening of the overflow pipe.

A. 1

B. 2

C. 3

D. 4

24. According to the Florida Fuel Gas Code, a schedule 40 metallic propane gas pipe with an inlet pressure of

2.0 psi a pressure drop of 1.0 psi, that is 125' long and has 4,518.000 btu's is required to be size.

A. 1"

B. 1 1/4”

C. 1 ½”

D. 2"

25. According to the Plumber's Handbook, the air gap must be a minimum of above the flood

level rim of a floor sink.

A. 1 1/2

B. Half the drain pipe size

C. Twice the size of beehive strainer

D. 1" or twice the drain pipe size

26. When the collector sensor senses temperatures degrees F. hotter than the tank sensor, the pump is

turned on. Assume a differential controller was installed.

A. 3 degrees F.

B. 4 degrees F.

C. 5 to 20 degrees F.

D. 30 to 35 degrees F.

27. According to Florida Rules: Chapter 64E-6, when a sewage disposal application variance is requested from

the county, the request shall be made on what form?

A. DH 3143

B. DH 3144

C. DH 4057

D. DH 3145

28. A first aid kit must be checked .

A. daily

B. weekly

C. monthly

D. annually


29. According to Mathematics for Plumbers and Pipefitters, a 20' round by 20' tall water tower with a 6' deep

semispherical on the bottom, has gallons of water.

A. 62,805

B. 75,645

C. 80,745

D. 83,745

30. The hydrostatic test of a new standpipe system which will operate at 200 psi shall be tested at a minimum

pressure of psi.

A. 150

B. 200

C. 250

D. 300

31. When brazing joints in a piped vacuum system, must be blown through the lines as a

method of purging. (blow down)

A. Oil-free dry nitrogen

B. Liquid nitrogen

C. Soapy water

D. Nitrous oxide

32. According to the Plumber's Handbook, all of the following are true except:

A. A change in direction from the horizontal to horizontal may be made with a wye and a 1/8 bend

B. A change in direction may never be made with a fitting with an enlarged chamber which might obstruct the

drain flow

C. A change in direction from horizontal to vertical may never be made with a ¼ bend

D. A change in direction from the vertical to horizontal may be made with a combination or reducing closet

bend

33. A furnace equipped with a combination burner for either natural gas or number 2 oil may use

a vent only.

A. Type A

B. Pellet

C. Type BW

D. Type L


34. Mirrors located above lavatories or countertops shall be installed with a bottom edge of the reflecting

surface inches maximum above the finish floor/ground. Mirrors not located above lavatories or

countertops bottom edge shall be inches max above finish floor/ground.

A. 40, 36

B. 38, 35

C. 40, 35

D. 36, 35

35. What is the MAXIMUM temperature of tempered water?

A. 110°F

B. 115°F

C. 120°F

D. 125°F

36. What is the maximum static pressure for a water supply system?

A. 20 psi

B. 40 psi

C. 60 psi

D. 80 psi

37. According to Florida Fuel Gas Code, the curve radius of plastic pipe shall not be less than times

the inside diameter of the pipe.

A. 5

B. 10

C. 20

D. 25

38. According to the Plumber's Handbook, all of the following are true except:

A. A change in direction from the horizontal to horizontal may be made with a wye and a 1/8 bend

B. A change in direction may never be made with a fitting with an enlarged chamber which might obstruct the

drain flow

C. A change in direction from horizontal to vertical may never be made with a ¼ bend

D. A change in direction from the vertical to horizontal may be made with a combination or reducing closet

bend

39. A mounted collector, exposed to wind forces, and its mounting structure need to be able to withstand wind

loads up to mph.

A. 120

B. 130

C. 140

D. 146


40. According to Florida Rules: Chapter 64E-6, a septic system shall be placed no closer than how many feet to

a non-potable water well?

A. 15'

B. 50'

C. 75'

D. 100'

41. Potable drinking water, per OSHA requires:

A. if a container is used it must have a tap.

B. a common drinking cup is allowed if washed.

C. single serving cups do not have to be provided.

D. open containers can be used if single serving cups are provided.

42. According to Mathematics for Plumbers and Pipefitters, on a standard weight 21/2" pipe has

threads per inch.

A. 8

B. 16

C. 22

D. 24

43. A 6" diameter standpipe will require a diameter drain connection.

A. 1"

B. 2"

C. 3"

D. 6"

44. After installing a level I piped vacuum system, but before the vacuum source is connected, the system must

have a standing pressure test for 24 hours at a minimum test pressure of .

A. 30 psig

B. 45 psig

C. 60 psig

D. 300 mm (12 in. Gage hgv)

45. According to the Plumber's Handbook, a temperature relief valve will release at a temperature of .

A. 150 psi

B. 210° F

C. 210° C

D. 150 kPa


46. Attics containing appliances requiring access shall be provided with an opening and unobstructed

passageway large enough to allow removal of the largest appliance, but in every case not less than

_______________.

A. 16" x 32"

B. 18" x 32"

C. 20"x32"

D. 22" x 30"

47. Where more than the minimum number of drinking fountains are provided, % of the total

number of drinking fountains provided shall comply with 602.1 thru 602.6 and % of the total number

of drinking fountains provided shall comply with 602.7.

A. 75, 25

B. 25, 75

C. 50, 50

D. 40, 60

48. What is the MINIMUM weight of sheet copper used for general plumbing applications?

A. 12 oz. per sq. foot

B. 14 oz. per sq. foot

C. 16 oz. per sq. foot

D. 18 oz. per sq. foot

49. Mechanical and gravity outdoor air intake openings shall be located at least ______

feet from any hazardous or noxious contaminant. such as vents, chimneys, plumbing vents, streets, alleys,

parking lots and loading docks, except as otherwise specified in this code.

A. 10

B. 20

C. 30

D. 40

50. According to the Florida Fuel Gas Code, which of the following statements is incorrect?

A. Piping may support other piping

B. Piping shall be supported to prevent excessive vibration.

C. Piping may be supported with brackets

D. Piping shall be installed so as not to interfere with the free expansion and contraction of the piping

51. According to the Plumber's Handbook, a temperature relief valve will release at a temperature of .

A. 150 psi

B. 210° F

C. 210° C

D. 150 kPa


52. When installing collector to storage piping, the minimum thickness of the rubber type insulation necessary

on the piping is .

A. 1/2"

B. 3/4"

C. 1"

D. 1 1/2"

53. According to Florida Rules: Chapter 64E-6, what is the closest allowable distance between any part of an

onsite sewage treatment and disposal system and a private potable well?

A. 25 ft.

B. 75 ft.

C. 125 ft.

D. 175 ft.

54. One toilet shall be provided at the construction job site for maximum of employees.

A. 5

B. 10

C. 15.

D. 20

55. According to Mathematics for Plumbers and Pipefitters, a run of pipe that is 60' long with a grade of 1/4"

fall per foot will drop far.

A. 7.5

B. 10

C. 12

D. 15

56. Which of the following metric units of measure equals 1 gallon?

A. 3.785 liters

B. 2.2 liters

C. 1 liter

D. .3785 liters

57. With regard to pressure differentials, the alternate test pressure for Nitrous Oxide is what?

A. 20 psi

B. 30 psi

C. 40 psi

D. 50 psi


58. According to the Plumber's Handbook, standard pipe thread has a taper of per foot.

A. 2.5 cm

B. 3/4"

C. 1/8"

D. 1/16"

59. Chimney connectors used on heat producing appliances shall be installed to maintain a pitch of rise of at

least per foot (horizontal length of pipe. from the appliance to the chimney.

A. 1/8"

B. 1/4"

C. 112"

D. 1"

60. Clearance in front of bathtubs shall extend the length of the bathtub and shall be inches wide

minimum.

A. 30

B. 28

C. 38

D. 36

61. Which of the following fixtures can be island vented?

A. Kitchen sinks

B. Laundry tubs

C. Bathtubs

D. Bidets

62 . Water service pipe shall be installed _______.

A. a minimum of 12 inches deep

B. less than 6 inches below the frost line

C. Either A or B

D. Neither

63. According to the Florida Fuel Gas Code, to control the flow of gas where an appliance operates at a lower

pressure than the supply pressure a ____________ regulator is required.

A. Mp

B. Draft

C. Pressure

D. Gas appliance


64. According to the Plumber's Handbook, standard pipe thread has a taper of per foot.

A. 2.5 cm

B. 3/4"

C. 1/8"

D. 1/16"

65.A solar collector oriented 30 degrees east or west of due south will require times the collector area

of a system oriented due south.

A. 1.1

B. 1.3

C. 1.5

D. 1.7

66. According to Florida Rules: Chapter 64E-6,what is the minimum distance between a septic tank that serves

a facility with an estimated sewage flow of 2,000 gallons or less per day and a public drinking water well?

A. 50'

B. 75'

C. 100'

D. 150'

67. The Code of Federal Regulations, requires an employer to provide a training program for each employee

_______________.

A. using ladders and stairways

B. working with toxic substances

C. working in excavations

D. using scaffolding

68. Standpipe fittings shall be extra heavy pattern where system pressures exceed .

A. 125 psi

B. 150 psi

C. 175 psi

D. 250 psi

69. The intake to a medical air compressor which uses an outside source of air shall be located above the ground

at least .

A. 10 feet

B. 15 feet

C. 20 feet

D. 25 feet


70. According to the Plumber's Handbook, the free area of a shower strainer must be a minimum

of inches.

A. 1 1/2

B. 2 1/2

C. 3 1/2

D. 4 ½

71. When a low heat appliance connects to a chimney by an 8" round vent connector, the connector shall be

of inch galvanized steel.

A. 0.028

B. 0.034

C. 0.040

D. 0.064

72. Drinking fountain spout outlets shall be inches maximum above the finish floor or ground.

A. 43

B. 28

C. 30

D. 36

73. Who is responsible for furnishing all equipment needed for a plumbing inspection?

A. Plans Examiner

B. Permit holder

C. Building owner

D. Code

74. Plumbing systems, with a system of vent piping permitting the admission or emission of air that allows the

seal of any fixture trap is required to be subjected to a pneumatic pressure differential of more than _____

inch(es) of water column.

A. 1

B. 2

C. 3

D. 4

75. According to the Florida Fuel Gas Code, what size type "B" double, wall vent would be required for a

single category 1 appliance with a single wall metal connector, that is ten feet high and five feet lateral at

115,000 btu's with natural ventilation.

A. 3"

B. 4"

C. 5"

D. 6"


76. According to the Plumber's Handbook, the free area of a shower strainer must be a minimum

of inches.

A. 1 1/2

B. 2 1/2

C. 3 1/2

D. 4 ½

77. A multiple collector system has 3 collectors piped in parallel. The collector to storage piping for the feed

and return lines should be in diameter.

A. 1/2" copper

B. 1/2" or 3/4" copper

C. 3/4" or larger

D. 1" minimum

78. According to the Plumber's Handbook, water closets must have a minimum spacing of inches

center-to-center when set in battery installations.

A. 21

B. 24

C. 30

D. 36

79. A bathroom is installed in an area that is subject to flooding from the public sewer. Which of the following

valves should be installed to protect the bathroom?

A. Gate valve

B. Ball valve

C. Globe valve

D. Backwater valve

80. What is the MAXIMUM hanger spacing for 1-1/2” copper tube in the horizontal or vertical position?

A. 6 feet

B. 8 feet

C. 10 feet

D. 12 feet


1 Exam Prep

Plumbing State Contractors

Practice Exam 1 –Answers

Book Section/Page

1. D 64-E-6 64-E-6.003

2. D OSHA OSHA1926-.2(n.

3. A Mathematics for Plumbers and Pipefitters Unit # 49 ,Page 177

Unit # 47 Page 173

4 D NFPA 14 7.6,7.6.27.6.3

5 C NFPA 99, 2012 3.3.161

6. C Plumber’s Handbook 34

7 C FBC– Mechanical, 2014 202, Definitions

8. C FBC-Accessibility, 2014 605.2

9. D FBC-Plumbing, 2014

10. C FBC- Residential, 2014 G24.16.3

11. D FBC-Fuel Gas , 2014 304.6.1


13 A Solar Water and Pool Heating Manual 1-11, 25 degrees for S. Fl. and 30 degrees for N. Fl.

14. C 64-E-6 64-E-6.004(3.(c.

15. A OSHA Table D-1

16. B Mathematics for Plumbers and Pipefitters Unit # 45 Page 168

17 D NFPA 14 6.3.6.1.2.2

18 D NFPA 99, 2012 3.3.147.7

19. D Plumber’s Handbook 90

20 B FBC– Mechanical, 2014 202, Definitions

21. A FBC-Accessibility, 2014 213.2

22. A FBC-Plumbing, 2014

23. A FBC- Residential, 2014 P2902.4.1

24. B FBC-Fuel Gas , 2014 402.4(26)

25. D Plumber’s Handbook 90

26 C Solar Water and Pool Heating Manual 3-25

27. C 64-E-6 64-E-6.004(6.

28. B OSHA 1926-.0(d.(2.

29. A Mathematics for Plumbers and Pipefitters Unit # 50 Page 180

30 C NFPA 14 11.4.1

Note: over 150 psi, 200 + SO psi over = 250 psi

31. A NFPA 99, 2012 5.1.12.2.2.2

32. C Plumber’s Handbook 114-115

33. D FBC– Mechanical, 2014 202, Definitions, vents, types




36. D FBC- Residential, 2014 P2903.3.1

37. D FBC-Fuel Gas , 2014 405.3(3)

38. C Plumber’s Handbook 114-115

39 D Solar Water and Pool Heating Manual 3-2

40. B 64-E-6 64-E-6.005(1.(d.

41. A OSHA 1926.51(a.(2.&(5.

42. A Mathematics for Plumbers and Pipefitters Data # 2 Page 229

43 B NFPA 14 Table 7.11.2.3

44 D NFPA 99, 2012 5.1.12.2.7.3

45. B Plumber’s Handbook 171

46 D FBC– Mechanical, 2014 306.3



49. A FBC- Residential, 2014 R303.4.1

50. A FBC-Fuel Gas, 2014 407.2


52 A Solar Water and Pool Heating Manual 3-21 #9

53. B 64-E-6 64-E-6.005(1.(a.

54. D OSHA Table D-1

55 A NFPA 14 Table 1.5.1

56. D Mathematics for Plumbers and Pipefitters Unit # 32 Page 123

57 C NFPA 99, 2012 5.1.12.3.3.2 & Table 5.1.12.3.3.2 (B.


59 B FBC– Mechanical, 2014 803.10.5

60. A FBC-Accessibility, 2014 607.2


62. C FBC- Residential, 2014 P3001.2

63. C FBC-Fuel Gas, 2014 410.1


65 A Solar Water and Pool Heating Manual 1-10, Figure 7, 30 degrees, move up to line, about 1.1

66. C 64-E-6 64-E-6.005(1.(b.

67 A OSHA 1926.1060(a.

68 C NFPA 14 4.3.3

69 C NFPA 99, 2012 5.1.3.6.3.12(C.


71 A FBC– Mechanical, 2014 Table 803.9 (1)

72. D FBC-Accessibility, 2014 602.4

73. B FBC-Plumbing, 2014

74. A FBC- Residential, 2014 P3101.2

75. C FBC-Fuel Gas , 2014 Table 504.2(2)


77 C Solar Water and Pool Heating Manual 3-20



79. D FBC-Plumbing, 2014

80. C FBC-Plumbing, 2014

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