Plumbing Questionnaire 2

SAMPLE QUESTIONsPrepared by Arch. Angelo Amor Macayana UAP

SAMPLE QUESTIONs1. The process of removing calcium and magnesium deposits in water is called:

a. Laundering b. Softeningc. Filtration

d. fluoridation

SAMPLE QUESTIONs2. Water containing water closet or urinal waste is

a. Grey water b. Black water c. Effluent d. Potable water

SAMPLE QUESTIONs3. The most common individual sewage treatment system

a. Septic tank b. Seepage pitc. Treatment plant

d. Sewer line

SAMPLE QUESTIONs4. Treated or partially treated sewage flowing out of a sewage treatment equipment.a. Effluentb. Affluentc. Black waterd. Influent

SAMPLE QUESTIONs5. The vertical main of a plumbing system of soil, waste, or vent piping extending through one or more storeys.

a. Main pipe b. Main Sewerc. Stack Piped. Main branch

SAMPLE QUESTIONs6. A sewer used for convents rain or surface or subsurface water.a. House sewer b. Storm sewerc. Sewer Piped. Main branch

SAMPLE QUESTIONs7. A plumbing fitting or device designed to provide a liquid seal that will prevent a fluid from passing back to where it came froma. Sewage Ejectionb. Check valvec. Floor drain d. Trap

SAMPLE QUESTIONs8. Vertical pipes which receive the discharge from water closet

a. Branch pipe b. Soil pipe c. Soil Stack Piped. Below grade tank

SAMPLE QUESTIONs9. A pipe in a plumbing system where it is open to the atmospherea. Stub-out b. Ventc. Trap d. Stack

SAMPLE QUESTIONs10. The ideal Slope of a horizontal drain pipe is from 1% to a. 2% b. 3%c. 4%d. 5%

SAMPLE QUESTIONs11. It is the universal fire fighting medium

a. Waterb. Fire extinguisherc. Sprinkler

d. Fire Dept.

SAMPLE QUESTIONs12. In the figure 1 identify the building Cutoff Valve.a. Figure A b. Figure B c. Figure Cd. Figure De. Figure E

SAMPLE QUESTIONs13. What type of UPVC pipe would you recommend for downspouts to cut down on costs?

a. Series 600 b. Series 1000 c. Series 300d. All of these

SAMPLE QUESTIONs14. One of the first steps in the selection of a suitable water supply source is:

a. water (potability) b. topography c. budgetary costd. water (demand)

SAMPLE QUESTIONs15. Sump pump is for:a. Pumping special mine tailings

b. Pumping sumptuous liquid materials c. Pumping up effluent and waste water to a higher leveld. Pumping abrasive liquid material

SAMPLE QUESTIONs16. Shallow water well, when excavated by hand is called:

a. Dug wells b. Drilled wellsc. Driven wellsd. Deep wells

SAMPLE QUESTIONs17. The location of water well to nearest septic vault should at least be:

a. 5 meters or more

b. 10 meters or morec. 15 feet or mored. 15 meters or more

SAMPLE QUESTIONs18. Also called as back-pressure valve, reflux valve: a valve that automatically closes to prevent the flow of liquid or gas in a reverse direction.

a. Key Valve

b. Compression Valvec. Check Valved. Ball Valve

SAMPLE QUESTIONs19. Hose bibb has a mouth that is:

a. Welded on

b. Multi-directionalc. Flexibled. Projecting by 2 longer

SAMPLE QUESTIONs20. The usual life-span for Galvanized Iron Pipes is

a. 15-20 years

b. 5-10 yearsc. 50 yearsd. None of these

SAMPLE QUESTIONs21. The standard/commercial length for UPVC pipes is:

a. 50 feet

b. 3 feet c. 8 feetd. 10 feet

SAMPLE QUESTIONs22. According to the National Plumbing Code, a septic tank will not be required when there is a:

a. Existing canal at roadside

b. Public Sewerage Linec. Public Sewer Lined. All of the above

SAMPLE QUESTIONs23. Which of the following is not a method of water distribution for buildings

a. Aeration system

b. Upfeed systemc. Downfeed speed systemd. Pneumatic tank System

SAMPLE QUESTIONs24. The commercial length for galvanized iron pipes

a. 6000 mm

b. 600 mmc. 18 feetd. 3000 mm

SAMPLE QUESTIONs25. The size of a PVC pipe is based on its

a. Radius

b. outer diameterc. inner diameterd. perimeter

SAMPLE QUESTIONs26. The end of a pipe which fits into a hub

a. Seal

b. spigotc. belld. flange

SAMPLE QUESTIONs27. A 1/8 bend PVC fitting is how many degrees?

a. 90

b. 30c. 25d. 45

SAMPLE QUESTIONs28. An opening or space to accommodate a group of pipes:

a. Duct

b. chasec. Pipe Chased. Chute

SAMPLE QUESTIONs29. Which of the following fittings is not allowed by the National Plumbing Code for changes in direction of horizontal soil or waste lines:

a. Cross tee

b. reducing wyec. 45 degree elbowd. garage traps

SAMPLE QUESTIONs30. A type of trap required for kitchens of hotels, restaurants, or similar public eating places:

a. P-trap

b. S-trapc. grease trapd. drum traps

SAMPLE QUESTIONs31. UPVC potable water pipes are use-joined using:

a. Solvent cement

b. contact cementc. marine epoxyd. Vulcaseal

e. Lead and oakum

SAMPLE QUESTIONs32. In figure A. what fitting is item 1

a. Extension piece

b. Nipplec. Bushing

d. Union

SAMPLE QUESTIONs33. Identify item 2 in figure A.

a. Bushing

b. Nipple

c. Union

d. Coupling

SAMPLE QUESTIONs34. Wastes from laundries, wash basins, sinks, showers and bath tubs:

a. black water b. sludgec. storm waterd. gray water

SAMPLE QUESTIONs35. The lowest horizontal piping system which receives the discharge from soil, waste and other drainage pipes inside of a building:

a. House trap b. House drainc. Public Sewerd. all the above

SAMPLE QUESTIONs36. . The vertical distance between the dip and the crown wire of a trap:

a. spigot b. trapc. seald. duct

SAMPLE QUESTIONs37. A type of valve used to prevent overflow of liquid in tanks

a. gate valve b. float valvec. check valve d. all of these

SAMPLE QUESTIONs38. In figure B. Identify the fitting for this type of G.I. pipe connection

a. elbow b. unionc. straight elbowd. Street elbow

SAMPLE QUESTIONs39. A type of sewage disposal system that is a hole in the ground with stones and bricks laid in such a manner that allow raw contaminated sewage to leach into the undersurface of the ground:

a. Privy b. cesspoolc. catch basind. manhole

SAMPLE QUESTIONs40. A fitting for closing the end of a pipe

a. cap b. plugc. male adapterd. None of these

SAMPLE QUESTIONs41. A portion of a pipe which, for a short distance is sufficiently enlarged to receive the end of another pipe of the same diameter for the purpose of making joint:

a. hub b. unionc. spigotd. coupling

SAMPLE QUESTIONs42. The design, construction and operation of deepwells for abstraction of groundwater

a. National Plumbing Code of the Phils. b. Philippine water codec. Sanitary Water Code of the Philippinesd. Water Code of the Philippines

SAMPLE QUESTIONs43. The quality of Galvanized iron Pipes are rated by:

a. Class b. Schedulec. Thicknessd. Gauge

SAMPLE QUESTIONs44. A covered trench to dispose the final discharge from the septic vault by absorption to the ground:

a. Grease trap Canal b. Absorption trenchc. Discharge distribution Trenchd. none of these

SAMPLE QUESTIONs45. The quality of drinking water form meteoric surface and underground sources shall conform to the criteria set by:

a. mineral water distribution association b. Department of Healthc. National Pollution control Commissiond. National Standard for drinking water

SAMPLE QUESTIONs46. The surface around a sink:

a. Sink lip

b. Draining boardc. Sink Apron

d. Duct

SAMPLE QUESTIONs47. A term used for a pipe extension of not more than 2 feet in length, installed at any stack or branch of a plumbing roughing-in for the purpose of future tap:

a. clean out

b. tail piecec. Stub-out

d. None of these

SAMPLE QUESTIONs48. The size of this kind of pipe is determined by its inside diameter:

a. C.I. pipe

b. Asbestos pipec. PVC pipe

d. None of these

SAMPLE QUESTIONs49. In an upfeed water distribution system, the distribution of water depends on:

a. normal water pressure

b. tail piecec. humidity

d. weight of pipes

SAMPLE QUESTIONs50. It is the equipment needed for the joining of various lengths of pipes:

a. gooseneck

b. fittingsc. fixturesd. None of these

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