Emanuel Civil Service Cours. Flashcards
1
Q
2. The water service pipe which extends from the street main or other source of water supply, th the house control valve is generally called the: A. Main pipe. B. service pipe. C. Intake pipe. D. Gooseneck pipe.
A
B. service pipe.
2
Q
3. Each fixture trap in a building shall have a liquid-seal of at least: A. 4 inches. B. 3 inches. C. 2 inches. D. 1 inch.
A
C. 2 inches.
3
Q
- The main purpose of a building trap is to:
A. Provide the house drain with a cleanout.
B. prevent circulation of air between the drainage system of the building and the building sewer.
C. Trap articles of value that are lost.
D. Eliminate the necessity for traps under all other fixtures.
A
B. prevent circulation of air between the drainage system of the building and the building sewer.
4
Q
5. A wast stack may receive the discharge from: A. One water closet. B. two water closets. C. Three water closets. D. No water closets are prmitted.
A
D. No water closets are permitted.
5
Q
6. In plumbing , the abbreviation XHCI means: A. No-hub cast iron. B. light weight pipe. C. Extra heavy cast-iron. D. K copper tubing.
A
C. Extra heavy cast-iron.
6
Q
- The minimum size relief vent or fresh air intake (inlet) pipe shall:
A. Not be less than one-half the diameter of the drain to which the relief vent or air intake connects, but in non case less than 3 inches (76 mm) on the inlet side of the trap.
B. the same size as the house sewer.
C. 1/3 the size of the house drain.
D. 3/4 the size of all the soil stacks.
A
A. Not less than one-half the diameter of the drain to which the relief vent or air intake connects, but in no case less than 3 inches (76 mm) on the inlet side of the trap.
7
Q
8. A plumber should not plunge a wet ladle into a pot of molten caulking lead because it: A. Contaminates the lead. B. may crack the pot. C. Makes the lead spatter. D. May crack the ladle.
A
C. Makes the lead spatter.
8
Q
- Bell traps may be used for refrigerators, T or F?
A
F.
9
Q
- Plumbing fixtures may drain into rain water and conductor pipes, T or F?
A
F.
10
Q
11. The difference in temperature between water at the freezing point and at the boiling point is: A. 180* Fahrenheit. B. 212* Fahrenheit. C. 60* centigrade. D. 92* centigrade
A
A. 180* Fahrenheit.
11
Q
12. Atmospheric pressure is considered to be: A. 14.7 lbs per sq in. B. 17.4 lbs per sq in. C. 26.23 lbs per sq in. D. 29.9 lbs per sq in.
A
A. 14.7 lbs per sq in.
12
Q
13. A gallon of water equals: A. 231 cubic inches. B. 7.48 pounds. C. .98 cubic foot. D. 263 cubic inches?
A
A. 231 cubic inches.
13
Q
14. Water has its greatest density at: A. 32* fahrenheit. B. 39.2* fahrenheit. C. 211* fahrenheit. D. 20* fahrenheit.
A
B. 39.2* farenheit.
14
Q
15. What is atmospheric pressure to the nearest pound at sea level: A.30 lbs. B. 23 lbs. C. 15 lbs. D. 34 lbs.
A
C. 15 lbs.
15
Q
16. A vertical pipe 4 inches in diameter and open at the top, is filled with water to an elevation of 104! Feet above street level. Which of the following is the reading of an accurate pressure gauge connected with this pipe at a point 4ft. above street level: A. 100 lbs. B. 50 lbs. C. 43 lbs. D. 23 lbs?
A
C. 43 lbs.
16
Q
- Assume the above standpipe to be 8 inches in diameter instead of 4 inches. What will be the gauge pressure relative to doubling the diameter:
A. Twice as much (in proportion to the diameter).
B. four times as much (proportional to the cross sectional area).
C. One-half as much ( inversely proportional to diameter).
D. Pressure will be the same regardless of diameter.
A
D. Pressure will be the same regardless of diameter.
17
Q
18. At a certain point, a hydrant nozzle is 18 ft. above sea level. This point is supplied from Central Park Reservoir where the surface elevation is 118 ft. above sea level. What is the maximum possible pressure that could be obtained by gauge on this hydrant under any conditions: A. 23.1 lbs. B. 50 lbs. C. 43 lbs. D. 62 1/2 lbs?
A
C. 43 lbs.
118-18=100’
100’x.434=43.4 psig.
18
Q
- The diagram below represents what type of individual venting:
A. Common venting.
B. local venting.
C. Crown venting.
D. Continuous venting?
Vent pipe extends from the top of Tap tee up.
A
D. Continuous venting.
19
Q
- A dead end, a branch leading from a soil, wast, or vent pipe building house drain or a building sewer is represented by :
A. Vent stack.
B. back vent.
C. Capped drain pipe less than 2’ long of the sink drain.
D. Wast stack.
A
C. Capped drain pipe less than 2’ long of the sink drain.
20
Q
21. What is the minimum seal in the P-trap at sink: A. 1". B. 2". C. 3". D. 4"?
A
B. 2”.
21
Q
22. Assuming you require 15 lbs. per sq. in. to operate a flushometer on the top floor of a six story building, 60 ft. high, with a street pressure entering the building at 45 lbs. per sq. in. How much extra pressure would be left in reserve. (The first floor is 8 ft. above the water main.): A. No pressure. B. 4 lbs. per sq. in. C. 26 lbs. per sq. in. D. 6 lbs.per sq. in.?
A
B. 4 lbs. per sq. in.:
5 floor by 10’ + 8’ + 2’ on the 6th floor from floor to flush-meter = 60’.
60x.434=41.040.
45-41.04=3.96 or 4 lbs.
22
Q
- The one statement that bestbdescribes a “battery of fixtures is:
A. All fixtures from one compartment discharging into a common branch.
B. Back-to-back water closets discharging into a common branch.
C. Any group of two or more similar adjacent fixtures that discharge into a common horizontal wastenor storm branch.
D. A two compartment sink discharging into a common branch.
A
C. Any group of two or more similar adjacent fixtures that discharge into a common horizontal waste or storm branch.
23
Q
24. The distance that a building house drain shall be considered to extend outside a building wall: A. 1 ft. B. 2 ft. C. 3 ft. D. 5ft.
A
D. 5 ft.
24
Q
25. The caliber of hard temper type "L" copper tube shall mean: A. Nominal inside diameter. B. Nominal outside diameter. C. Actual inside diamter. D. Actual outside diameter.
A
C. Actual inside diameter.
25
26. In acomplete plumbing installation, in order to prevent back-siphonage at a lavatory, it is common to make use of:
A. A system of cross-conmections.
B. A system of continious benting if a lavatory is of one group.
C. A system of common venting if the lavatory is one of two setnback-to-back.
D. An air gap between a faucet spout and the flood level rim of the fixture.
D. An air gap between a faucet spout and the flood level rim of the fixture.
26
27. A fee for the construction of the plumbing system in a building structure must be obtained prior to the commencement of construction. The individual who is listed in the code and therefore should pay the fee for the application is the :
A. Owner.
B. registered architect employed by the owner.
C. Master plumber employed by the owner.
D. Professional engineer employed by the owner.
A. Owner.
27
```
28. The "dezincification" of brass pipe occurs most often in:
A. Yellow brass.
B. silver brass.
C. Red brass.
D. Brass pipe buried in cinders.
```
A. Yellow brass.
28
```
29. In ordering the cross fitting shown, the connecting ends should be specified as follows:
2"
|
3"--------------2"
|
4"
A. 2"x4"x3"x2".
B. 4"x2"x3"x2".
C. 3"x2"x4"x2".
D. 4"x3"x2"x2".
```
B. 4"x2"x3"x2".
29
```
30. The minimum distance along a soil or waste stack which the horizontal branches are connected that may be called a branch interval is most nearly:
A. 8'.
B. 10'.
C. 5'.
D. 6'.
```
A. 8'.
30
```
31. In order that a branch may be correctly termed dead end it shall be terminated by a fitting at a developed length of _ or more:
A. 5'.
B. 4'.
C. 3'.
D. 2'.
```
D. 2'.
31
```
32. "Zeolite" is a term associated most nearly with:
A. Acid waste.
B. water softening.
C. Hot water piping.
D. Septic tanks.
```
B. water softening.
32
33. The diagram shown below represents most nearly:
------o-------
A. Cast-iron tee facing down.
B. Flange tee facing down.
C. Cast iron tee facing up.
D. Flange tee, facing up.
C. Cast iron tee facing up.
33
34. One reason for preferring the use of water rather than compressed air for testing is most nearly:
A. Less danger of an explosion if the line breaks.
B. use of water better simulates actual operating conditions.
C. Easier to discover leaks.
D. Water being incompressible, there is little danger getting high pressures into the pipe.
A. Less danger of an explosion if the line breaks.
34
```
35. If 400 pound of lead are required for properly caulking a specific number of cast iron joints, the amount of oakum needed for the same number of joints is most nearly is:
A. 35 lbs.
B. 50 lbs.
C. 80 lbs.
D. 100 lbs?
```
B 50 lbs.
400x10%=40 lbs.
400x15%=60 lbs. 50 lbs is average.
35
```
36. An offset in a stack is made by an eight -bend and 4 lengths of XHCI soil pipe (5' each). As a result, the horizontal center-line shift of the stack is most nearly:
A. 20'-0".
B. 28'-2".
C. 15'-5".
D. 14'-1".
```
D. 14'-1".
36
```
37. Location of employee toilet facilities that are required for employees in storage structures or kiosks, and are located in adjacent structures under the same ownership, lease or control, shall be a maximum travel distance of _ from the employees' working areas:
A. 250 ft.
B. 325 ft.
C. 500 ft.
D. 600 ft.?
```
C. 500.
37
```
38. The peppermint test shall be made by introducing 2 ounces of oil of peppermint into the roof terminal of every stack vent to be tested, followed by at once 10 quarts of hot water. The minimum temperature of hot water is:
A. 212 degrees F.
B. 200 degrees F.
C. 180 degrees F.
D. 160 degrees F?
```
D. 160 degrees F.
38
```
39. The building house sewer (gravity sewer test) shall be tested under a head of 10 ft. of water by inserting a test plug at:
A. The foundation wall.
B. 5 ft. from the foundation watt.
C. The public sewer.
D. The curb?
```
C. The public sewer.
39
40. The advantage which may gained from the establishment of commercial standards is independent upon the:
A. Degree of consumer and manufacturer acceptance.
B. improvement of product quality.
C. Degree of change required in the manufacturing process.
D. Establishment and the use of the highest a standards?
A. Degree of consumer and manufacturer acceptance.
40
41. Natiomally respecyed and adopted commercial standards are:
A. Undersirable as they are direct nenefit to unscrupuous manufactures.
B. Desirable as they serve as a yard stick for consimers.
C. Undersirable as they tend to lower quality.
D. Desirable as they tend to reduce manufacturing costs.
B. Desirable as they serve as a yard stick for consumers.
41
42. The sanitary system for large commercial building is to be given a finished plumbing test. This system has been designed and installed with six stacks and has 6 roof extensions. The proper precedure is:
A. Plug none of the stack openings on the roof. As smoke appears at each stack, plug them.
B. Plug the 3 nearest stack openings on the roof. As smoke appears at the other stacks, plug them.
C. Plug all but the furthest stack opening on the roof. As smoke appears at the stack, plug it.
D. Plug all but the nearest stack opening on the roof. As smoke appears at the stack, plug it?
A. Plug none of the stack openings on the roof. As smoke appears at each stack, plug them.
42
43. The following ordinary plumbing work may be performed without a permit, provided that the licensed plumber performing such work:
A. Provides a monthly report listing completed work and work in progress durimg the preceding month.
B. Pays the fees for such worknin accordance with the code.
C. Submits to the department a certification that the work was performed in accordance with thiis code.
D. A, B & C.
D. A,B & C.
43
44. Ordinary plumbing work shall include:
A. The removal of a domestic plumbing system not connectedbto a fire suppression system, or the removal of a portion of such system. The relocation of up to two plumbing fixtures withon the same roomnto a macim of 10 feet distance from the original location, except in healthcare facilities.
B. The installation, replacement or repair of a food waste grinder (food waste disposal) orbbackflow preventer and the replacement or repair of a sump pump. The replacement of closet bend. The repair or replacement of any non-gas, non-fire suppression piping notnlonger than ten feet inside a building, or connected piping previously repaired or replaced under this provision.
C. The repair or replacemt of none- fire suppression branch piping after the riserbshutoff balve, including the replacemt of fixtures, limited to two bathrooms and one kitchen per building per monthly reporting period. In building in occupancy group R2 occupied by fewer than six families or in buildings in occupancy group R3, the replcement of a gas fired boiler with a capacity of 350,000 btu or less where the existing appliance gas cock is not moced, provided that the plumber has inspected the chimney and found it to be in goodbcondition.
D. A,B and C.
D. A,B and C.
44
```
45. In the event of a stoppage in a natural gas pipe line the recommended gas to use to remove the stoppage is most nearly:
A. Argon.
B. Oxygen.
C. Nitrogen.
D. Hydrogen.
```
C. Nitrogen.
45
```
46. Before inspection starts of a water testnofnthe rougj plumbing the portiom tested shall be watertight forbat least :
A. 15 min.
B. 10 min.
C. 30 min.
D. 60 min.
```
A. 15 min.
46
```
47. A gas pipe installation operating at one pound per square inch must be subjected to a testnpressure of most nearly:
A. 50 psig a minimum of 30 minutes.
B. 6 lbs. per sq. in. of air pressure .
C. 10 psig of air pressure.
D. 22 inch column of mercury.
```
A. 50 psig a minimum of 30 minutes.
47
```
48. Of the following wrenches, the one which is best suited for use on screwed valves and fittings having hexagonal shape connections is the:
A. Pipe wrench.
B. Monkey wrench.
C. Open-end wrench.
D. Strap wrench.
```
B. Monkey wrench.
48
```
49. The definition "the lowest portion of the inside top surface of the channel through the trap", best describes which one of the following:
A. Dip.
B. Crown weir.
C. Crown.
D. Seal.
```
A. Dip.
49
50. Which one of the following statements is not correct?
A. "Flush tank" a tank designed with a ball cock and flush valve to flush the contentsbof the bowl or usable portion of the fixture.
B. "Flushometer valve " a valve attached to a pressurized water supply pipe and so designned that when activated it opens the line for direct flow into the fixture at a rate and quamtity to operate the fixture properly, and then gradually closes to reseal fixture traps and minimize water hammer.
C. "Gas distribution piping" all piping from the house side of the gas meter piping that distributes the gas supplied by a public utility to all fixtures and apparatus used for illumination or fuel in any building.
D. "Flooded" shall mean the top edge or rim of a receptacle of any overflow from the receptacle.
D. "Flooded" shall mean the top edge or rim of a receptacle of any overflow from the receptacle.
50
51. A side vent shall be installed most nearly:
A. Every dry vent connecting to a horizontal drain shall connect above the centerline of the horizontal drain pipe.
B. a vent connecting to the drain pipe through a fitting at an angle not greater then 45 degrees to the vertical.
C. In lieu of a common vent.
D. When the fixture is located against a wall.
A. Every dry vent connecting to a horizontal drain shall connect above the centerline of the horizontal drain pipe.
51
52. Which one of the following statement is most nearly correct:
A. Any line of storm water piping known as a leader.
B. a building sub-house drainage system is one which is used only to receive flow from basement or cellar fixtures.
C. A local ventilating pipe is commonly used to prevent back-siphonage in a drainage system.
D. The waste from a sink (surgeons') may be connected into a soil line?
D. The waste from a sink (surgeons') may be connected into a soil line.
52
```
53. A vent that is installed to permit additional circulation of air between a so stack and a vent stack is most nearly:
A. Circuit bent.
B. common vent.
C. Loop vent.
D. Relief vent.
```
D. Relief vent.
53
54. The one type trap not prohibited for use in a plumbing system is most nearly:
A. Building trap, a device or fitting, without joints within the water seal, installed in the building drain to prevent circulation of air between the drainage system of the building and the building sewer.
B. bell trap.
C. Crown-vented trap.
D. Traps that depend on moving parts to maintain the seal?
A. Building trap, a device or fitting, without joints within the water seal, installed in the building drain to prevent circulation of air between the drainage system of the drainage system of the building and the building sewer.
54
```
55. The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim and the of the receptacle is:
A. Air break (drainage system).
B. air hap (drainage system).
C. Air gap (water distribution system).
D. Air inlet valve (water system)?
```
C. Air gap (water distribution system).
55
```
56. A pipe that conveys only liquid waste, free from fecal matter is defined most nearly:
A. Soil pipe.
B. Stack.
C. Wast pipe.
D. Leader?
```
C. Waste pipe.
56
```
57. A pipe connecting upward from a soil or waste stack to a vent stack for the purpose of preventing pressure changes in a stack defines most nearly:
A. Yoke vent.
B. Side vent.
C. Stack vent..
D. Branch vent.
```
A. Yoke vent.
57
58. Unions having metal to metal seats may be used on traps when placed most nearly:
A. Above the crown weir.
B. Between the dip of the trap and the crown weir.
C. Only on the inletnsideof the trap.
D. Below the dip of the trap?
B. Between the dip of the trap and the crown weir.
58
```
59. A vent connecting one or more individual vents with a bent stack or stack bent is defined as most nearly:
A. Common vent.
B. Branch vent.
C. Continouos vent.
D. Yoke vent?
```
B. Branch vent.
59
```
60. A receptacle or device that is either permanently or temporarily connected to the water distribution system of the premises and demands a supply of water there-from; discharges wastewater, liquid-borne waste materials or sewage either directly or indirectly to the drainage system of the premises; or require borh a water supply connection and a discharge to the drainage system of the premises best describes:
A. Fixture supply.
B. Plumbing fixture.
C. Fixture branch.
D. Fixture drain?
```
B. Plumbing fixture.
60
```
61. The undesirable reversal of flow of water or mixturesbof water and other liquids, gases or other substances into the distribution pipes of the potable supply of water from any source or sources:
A. Backflow.
B. Cross-connection.
C. Back-pressure.
D. Self-siphonage?
```
A. Backflow.
61
```
62. A covered pit with open jointed or perforated lining into which the septic tank effluent is discharged. The liquid portion of the sewage seeps into the surrounding porous soil. The remaining solids or sludge is retainednin the pit is defined most nearly:
A. A sump pit.
B. Leaching pit.
C. Dry well.
D. Seepage pit?
```
D. Seepage pit.
62
63. Which one of the following definitions is most nearly correct:
A. A grease trap is self scouring.
B. A backflow preveter is a device or means to prevent backflow.
C. Riser is a water supply pipe that axtends two full stories or more to convey water to branches or to a group of fixtures.
D. Stack venting is a method of venting a fixture or fixtures through the vent stack?
B. A backflow preventer is a device or means to prevent backflow.
63
```
64. A vertical pipe to which connections are made from the fixture side of traps and through which vapor or foul air is removed from the fixture or device utilized onbedpan washers is commonly known as:
A. Circuit vent pipe.
B. Local vent stack.
C. Indirect wast pipe.
D. Re-vent.
```
B. Local vent stack.
64
```
65. The length of a pipeline measured along the centerline of the pipe and fittings:
A. Dead end.
B. Drainage fittings.
C. Drain.
D. Debeloped length.
```
D. Developed length.
65
```
66. A bent whose primary function is to provide circulation of air between drainage and vent systems:
A. Circuit vent.
B. Branch vent.
C. Relief vent.
D. Common vent.
```
C. Releif vent.
66
67. The trap seal:
A. The vertical distance between thenweir and the top of the dip of the trap.
B. The horizontal distance between the weir and the top of the dip of the trap.
C. The vertical distance between the inlet and the outlet of the trap.
D. The vertical distance between the crown and the top of the dip of the trap.
A. The vertical distance between the weir and the top of the dip of the trap.
67
```
68. Any pipe or fitting that makes an angle of 45* or more with the horizontal is most nearly defined as:
A. Vertical pipe.
B. Horizontal branch drain.
C. Slope.
D. Pitch.
```
A. Vertical pipe.
68
```
69. A pipe that conveys sewage containing fecal matter to thebbuilding drain or building sewaer:
A. Soil pipe.
B. Waste pipe.
C. Sewer pipe.
D. Street pipe.
```
A. Soil pipe.
69
```
70. Of the following types of saws, the one that is usually used for cutting lead pipe is:
A. Crosscut saw.
B. Hack saw.
C. Table saw.
D. Skill saw.
```
A. Crosscut saw.
70
```
71. A method of venting a fixture through the soil or wastbstack:
A. Loop venting.
B. Yoke venting.
C. Wet venting.
D. Stack venting?
```
D. Stack venting.
71
72. Which one of the following definitions is most nearly correct:
A. "Drain" - Any pipe that careies waste water or waterborn waste in a building drainagebsystem.
B. "Fixture drain" - the drain from the trap of a fixture to a junction
with any other drain pipe.
C. "Plumbing appliance" - any one of a special class of plumbing fixtures intended to perform a special function. Included are fixtures having the operation or control dependent on one or more energized components, such as motors, controls, heating elements, or pressure or temperature-sensing elements. Such fixtures are manually adjusted or controlled by thebowner orboperator, ornarenoperatednautomatically through one ornmore ofnthenfollowing actioms: a time cycle, a temperature range, a measured volume or weight.
D. A,B & C.
D. A,B & C.
72
73. The one of the following definitions relating to plumbing terms is not correct:
A. "Combination fixture" shall mean a fixture combining one sink and laundry tray or a two or three compartment sink or laundry tray in one unit.
B. "Diameter" shall mean the nominal outside diameter.
C. "Subsoil drain" shall mean thebdrain that collects subsurface water or seepage water and conveys such water to a place of disposal.
D. "Indirect wastebpipe" shall mean a waste pipe that does not connect directly with the drainage system, but that discharges into the drainagebsystem through an air break or air gap into a trap, fixture, receptor or interceptor.
B. Diameter shall mean the nominal outside diameter.
73
```
74. A covered tank for storing rainwater to be utilized for purposes other than in the potable water supply:
A. Septic tank.
B. Cistern.
C. Manhole.
D. Seepage pit.
```
B. Cistern
74
75. Which one of the following definitions relating to plumbing terms is not correct:
A. A "dead end" shall mean a branch leading from a soil, waste or vent pipe, a building drain; or a building sewer, and terminating at a developed length of 2 feet or more by means of a plug, cap or other closed fitting.
B. A "riser" shall mean a water supply pipe that extends two full story or more to convey water to branches or to a group of fixtures.
C. The "seveloped length" shall mean, the length of a pipeline maesured along the centerline of pipe and fittings.
D. The "local vent stack" shall mean, a vertical pipe to which connections are made from the fixture side of traps and through which vapor foul air is removed from the fixture orbdevice used on bed pan washers?
B. A "riser" shall mean a water supply pipebthat extends two full story orbmore to convey water to branches or to a group of fixtures.
75
76. Which one of the following statements is not true:
A. Sheet copper for general applications shall conform to ASTM B 152 and shall not weight less than 12 ounces per square foot or .75 pounds.
B. Sheet lead for pans shall not weight less than 4 pounds per square foot (1/16" thick) coated with an asphalt paint or other approved coating.
C. Sheet copper utilizedbfornflush tank linings shall conform to ASTM B 152 and shall not weight less than 10 ounces per square foot.
D. Lead bends and traps shall not be less than .125 inch, 1/4" wall thickness.
D. Lead bends and traps shall not be less than 0. 125 inch, 1/4" wall thickness.
76
77. Which one definition is not correct:
A. "Fixture drain" the drain from the trap of a fixture to a junction with any other drain pipe.
B. "Flooded" a fixture is flooded when the liquid therein rises above the flood level rim.
C. "Flood level rim" the edge of the receptacle from which water overflows.
D. "Faucet" a valve end of a water pipe through which water is drawn from ornheld within the pipe.
B. "Flooded" a fixture is flooded when the liquid therein rises above the flood level rim. Shall be to the flood level rim.
77
78. Which one statement best defines a continuous waste:
A. A vertical vent that is a continuation of the drain to which it onnects.
B. It is a waste from two or more fixtures on one trap. Dostance between trap and fixture outlet should not exceed 30 inches.
C. A vent that connects to a horizontal drainage branch and vents two traps to a maximum of eight traps or trapped fixtures connected into a battery.
D. Any group of two or more similar adjacent fixtures that discharge into a common horizontal wastenor soilnline.
B. A continuous waste is a waste from two or more fixtures on one trap. Distance between trap and fixtures outlet should not exceed 30".
78
79. The one of the following definitions relating to plumbing terms which is most nearly incorrect is that the term:
A. "Building trap" a device or fitting, without joints within the water seal, installed in the building drain to prevent circulation of air between the drainage system of the building and the building sewer.
B. "Building sewer" that part of the drainage system that extends from the end of the building drain and conveys the discharge to a public sewer, provate sewer, individual sewage disposal system or other point of disposal.
C. "Cleanout" an access opening in the drainage system utilizedfor the removal of obstructions. Types ofncleanouts include a removable plug or cap, and a removable fixture or fixture trap.
D. "Conductor" a pipe outside the building that conveys storm water from the roof to a storm or combined building drain
D. "Conductor" A pipe outside the building that conveys storm water from the roof to a storm or combined building drain. Shall be leader.
79
80. "Piping sall be installed so as to prevent strains and stresses that would exceed the structural limitations of the pipe so as to prevent deflections or deformatoon that would cause the system to malfunction, provisins shall be made for expansion and contraction and for the structural settlement that might affect the piping".
The word "expansion" as used in the above quotation means most nearly:
A. To provide supports.
B. Exceeding structural limitations.
C. To prevent malfunction.
D. An increase in length.
D. An increase in length.
80
81. "Piping sall be installed so as to prevent strains and stresses that would exceed the structural limitations of the pipe so as to prevent deflections or deformatoon that would cause the system to malfunction, provisins shall be made for expansion and contraction and for the structural settlement that might affect the piping".
The word "contraction" as used in the above quotation means most nearly:
A. Contract to install pipes.
B. Reduction in length.
C. To reduce strain.
D. To decrese settlement.
B. Reduction in length.
81
```
82. You are directedbto cut 4 pieces of pipebone each of the following lengths: 2 ft. 6-1/4in., 3 ft. 9-3/8in., 4 ft. 7-5/8in., 5 ft. 8-7/8in.; the total length of theae pieces is most nearly:
A. 15 ft. 7-1/4in.
B. 15 ft. 9-3/8in.
C. 16 ft. 8-7/8in.
D. 16 ft. 8-1/8in.?
```
D. 16 ft. 8-1/8in.
82
```
83. When piping "sweats", the cause for this is most likely:
A. Clod waterbrunning in a warm space.
B. Cold water running in a cold space.
C. Hot water running in a warm space.
D. Hot water running in a cold space?
```
A. Clod waterbrunning in a warm space.
83
```
84. The location of leaks in gas piping may be best detected by the use of:
A. Match.
B. Heated filament.
C. Soapy water solution.
D. Oxygen?
```
C. Soapy water solution.
84
```
85. A sanitary and storm water drainage system is to be water tested in sections. When testing the uppermost section, the upper footage of the next lower section which is to be tested is most nearly:
A. 3048mm.
B. 1524 mm.
C. 2438 mm.
D. 1219 mm?
```
A. 3048mm or 10'.
85
```
86. Arrangements have been made to conduct a final smoke testnon a sanitary system of a given building. The equivalent pressure, in inches of water which should be applied to the system before an inspection is made, is:
A. 1.
B. 2.
C. 3.
D. 6.
```
A. 1.
86
```
87. A specially designed system of waste piping embodying the horizontal wet venting of one or more sink or floor drains by means of a common waste and vent pipe adequatelynsizednto provide free movement of air above the flow line of the drain best defines:
A. An indirect waste piping system.
B. A combination waste and vent system.
C. Circuit benting.
D. Wet venting.
```
B. A combination waste and vent system.
87
```
88. A group of fixtures consisting of a waterbcloset, lavatory, bathtub or a shower, including or excluding a bidet, an emergency floor drain or both, such fixtures are located in the same room:
A. Bathroom group.
B. Combination fixture.
C. Macerating toilet systems.
D. Plumbing system?
```
A. Bathroom group.
88
89. A tap borer is a tool that will be used when making:
A. A water supply connection into the public street main.
B. Threads for a machine bolt.
C. A hole in a lead pipe.
D. A hole in the street.
C. A hole in a lead pipe.
89
```
100. A combustible gas which may be present in sewer air and which is explosive in the presence of oxygen (smell like rotten eggs):
A. Carbon dioxide.
B. Hydrogen sulfide.
C. Freon.
D. Nitrogen.
```
B. Hydrogen sulfide.
90
```
101. Of the following weenches, the one which is best suited for us on chrome plated or polished brass is most nearly:
A. Monkey wrench.
B. Pipe wrench.
C. Open-end wrench.
D. Strap wrench.
```
D. Strap wrench.
91
```
102. The one valve normally installed in a pipe line to allowbflowbin one direction only:
A. Blow-off.
B. Check.
C. Needle.
D. Three-way.
```
B. Check.
92
```
103. Parts of a plumbing system that are installed prior to the installation of fixtures. This includes drainage, water supply, vent piping and the necessary fixture supports and any fixtures that are built into the structure:
A. Furring-in.
B. Rough-in.
C. Finishing.
D. Setting-in.
```
B. Rough-in.
93
```
104. All bullhead tees have run openings which are:
A. Smaller than the outlet.
B. Larger than the outlet.
C. Of the same size.
D. Of different sizes.
```
A. Smaller than the outlet.
94
```
105. "Responsibility for inspection: unless otherwise specified inthe contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements. The word utilize as used in this paragraph means most nearly:
A. Substitute.
B. Use.
C. Furnish.
D. Buy.
```
B. Use.
95
106. Responsibility for inspection: unless otherwise specified inthe contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.
The word reserve as used in this paragraph means most nearly:
A. Protect.
B. Surrender.
C. Withhold.
D. Refuse.
A. Protect.
96
107. Responsibility for inspection: unless otherwise specified inthe contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.
The word conform as used in this paragraph means most nearly:
A. Adjust.
B. Change.
C. Measure.
D. Resemble.
D. Resemble.
97
108. Responsibility for inspection: unless otherwise specified inthe contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the supplier may utilize his own facilities or any commercial laboratory acceptable to the government. The government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.
The word prescribed as used in thisbparagraph means most nearly:
A. Restricted.
B. Available.
C. Traditional.
D. Dictated.
D. Dictated.
98
```
109. The section of a building house sewer that a permit from the departmentnof environmental protection (DEP) is issued for is between the spur connection of the street sewer and the:
A. Lot line.
B. Property line.
C. Building line.
D. Street line.
```
D. Street line.
99
```
110. When public sewers are mase available to premises with individual on site private systems, such private sewage disposal systems shall be abandoned in a manner prescribed by the commissioner, and the owner shall connect the building house sewer to the available public sewer within a tome period of the date ofnnotification that the sewer has been accepted to receive flow by the agency or agencies having jurisdiction; that time period is:
A. 3 months.
B. 6 months.
C. 12 months.
D. 18 months.
```
B. 6 months.
100
```
111. When lagging is used on steam pipes, itsnmein function is to:
A. Prevent corrosion.
B. Compensate for expansion.
C. Reduce steam leaks.
D. Reduce radiation heat loss.
```
D. Reduce radiation heat loss. Lagging means insollation.
101
```
112. The working pressure of a new potable water piping system is to be 50 psi. The minimum test pressure for this piping shall be most nearly:
A. 50 psi.
B. 100 psi.
C. 150 psi.
D. 200 psi.
```
C. 150 psi.
102
```
113. The commissioner of buildings shall issue plumbers' licenses only to those persons who are certified candidates by the department of
A. Buildings.
B. Licenses.
C. Personnel.
D. Heaith.
```
A. Buildings.
103
114. The term "soil pipe" shall mean:
A. Extea heavy cast-iron pipe and fittings.
B. Any vertical line of cast-iron pipe.
C. A pipe that conveys sewage containing fecal matter to the building drain or building sewer.
D. Any pipe which conveys the discharge from urinals.
C. A pipe that conveys sewage containing fecal matter to the building drain or building sewer.
104
```
115. A piping arrangement in which a drain from a fixture discharges at a point above the flood level rim of the receptacle is definednas a:
A. Air gap.
B. Air break.
C. Fixture drain.
D. Branch waste.
```
A. Air gap.
105
116. The definition of an air gap in a water distribution system is most nearly:
A. The unobstructed vertical distance between the vacuum breaker and the ocerflow level of the plumbing fixture.
B. The unobstructed vertical distance between the centerline of the water supply piping and the flood level rim of the plumbing fixture.
C. The unobstructed vertical distance netween the bottom of the faucet and the ocerflow level of the plumbing fixture.
D. The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim of the receptacle.
D. The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim of the receptacle.
106
117. Which one of the following statement is not correct:
A. The "private sewer" is a part of the building drainage system.
B. "Storm sewer" can receive the discharge of rainwater, surface water, subsurface water and similar liquid waste.
C. A "plumbing fixture" is a receptacle or device that is either permanently or temporarily connected to the water distribution system of the premises and demands a supply of water there from; discharges waste water, liquid-born wastenmaterials or sewage either directly ornindirectly to the drainage system of the premises; or requiresbboth a water supply connection and discharge to the drainage system of the premises.
D. "Public sewer" - A common sewer directly controlled by public authority.
A. The "private sewer" is a part of the building drainage system.
107
118. When tinning a brass solder nipple which is to be wiped to a lead pipe:
A. Too much flux does not do any harm.
B. It is good practice to dip the solder nipple into the wiping solder.
C. Rosin as a flux is preferred.
D. The brass does not have to be filed before tinning if rosin is used as a flux?
C. Rosin as a flux is preferred.
108
```
119. Another name for common bent:
A. Yoke bent.
B. Stack bent.
C. Wet vent.
D. Dual bent.
```
D. Dual bent.
109
120. The only method that can be depended on to prevent backflow under all conditions is most nearly:
A. Air gap.
B. Cross connection.
C. Reduced pressure principle backflow preventer.
D. Backflow preventer.
A. Air gap.
110
121. Which one of the following statement is most nearlynincorrect:
A. Water at a temperature greater than 110*F is hot water.
B. Water having a temperature range between 85*F and 110*F is tempered water.
C. Shower and tub valves shall be equipped with a means to limit the maximum setting of the valve to 120*F.
D. Water above 155*F shall not be discharged into any part of the drainage system.
D. Water above 155*F shall not be discharged into any part of the drainage system.
111
```
122. A vent connecting at the junction of two fixture drains or to a fixture branch and serving as a vent for bothbfixtures:
A. Continuous vent.
B. Wet vent.
C. Common vent.
D. Back vent.
```
C. Common vent.
112
123. Which one of the following statements is most nearly incorrect:
A. A trap is a fitting or device that provides a liquid seal to prevent the emission of sewer gases without materially affecting the flow of sewage or wsatewater through the trap.
B. A trap seal is the bertical distance between the weir and the top of the dip of the trap.
C. Floor drain traps shall have removable streiners.
D. Floor drains shall have a minimum 2" diameter drain outlet.
D. Floor drains shall have a minimum 2" diameter drain outlet. Min is 3", 2" for emergency drain only.
113
124. The best definition for a "drainage system" is most nearly:
A. A pipe that conveys sewage containing fecal matter to the building drain or building sewer.
B. Includes the water supply and the distribution pipes, plumbing fixtures and traps; water-treating or water using equipment; soil, waste and vent pipes; and sanitary and storm sewers and building drains; in addition to their respective connections, devices and appurtenances within a structure or premises.
C. Piping within a public or private premise that conveys sewage, rainwater or other liquid wasters to a point of disposal. A drainage system does not include the mains of a public sewer system or provate or public sewage treatment or disposal plant.
D. A connection between pipes, fittings, or pipes and fittings that is not screwed, caulked, threaded, soldered, solvent cemented, brazed or welded. A joint in which compression is applied along the centerline of the pieces being joined. In some applications, the joint is part of a coupling, fitting or adapter.
C. Piping within a public or private premise that conveys sewage, rainwater or other liquid wasters to a point of disposal. A drainage system does not include the mains of a public sewer system or provate or public sewage treatment or disposal plant
114
```
125. A "swimming pool" is any structure basin, chamber or tank containing an artificial body of water for swimming, diving or recreational bathing having a depth of:
A. 2 feet or more at any point.
B. 3 feet or more at any point.
C. 4 feet or more at any point.
D. 5 feet or more at any point.
```
A. 2 feet or more at any point.
115
```
126. Any physical connection or arrangement between two otherwise separate piping systems, one of which contains potable water and the other either of unknown or questionable safety or steam, gas or chemical, whereby there exists the possibility for flow from one system to the other, with the direction of flow depending on the pressure differential between the two systems is most nearly:
A. Anti-siphon.
B. Backflow.
C. Ceoss connection.
D. Backsiphonage.
```
C. Ceoss connection.
116
127. A "building trap" installed in the building drain is to prevent most nearly:
A. Sewer-rats from entering the building house drain.
B. Vermin from entering the plumbing system.
C. Excess flow of sewer water into the building sewer.
D. To prevent circulation of air between the drainage system of the building and the building sewer.
D. To prevent circulation of air between the drainage system of the building and the building sewer.
117
```
128. A device supplied with hot and cold water located adjacent to a water closet or clinic sink to be utilized for cleamimg bedpans:
A. Hose.
B. Wash brush.
C. Chlorine injector.
D. Bedpan washer hose.
```
D. Bedpan washer hose.
118
```
127. Any part of the piping system that extends to fixtures on two or less consecutive floors except a riser, main or stack:
A. Branch.
B. Crotens.
C. Riser.
D. Stack.
```
A. Branch.
119
```
128. A distance along a soil wastenstack corresponding in general to a story height, but not less than 8 feet, within which the horizontal branches from one floor or story of a structure are connected to the stack:
A. Branch bent.
B. Building pipe.
C. Branch interval.
D. Buiding drain.
```
C. Branch interval.
120
```
129. A vent connecting one or more individual vent with a vent stack orbstack:
A. Branch interval.
B. Branch vent.
C. Building branch.
D. Building branch drain.
```
B. Branch vent.
121
```
130. Any structure occupied or intended for supporting or sheltering any occupancy:
A. Shed.
B. Storage bin.
C. Building.
D. Tent.
```
C. Building.
122
```
131. That part of the lowest piping of the drainag system that receves the discharge from soil, waste andother drainage pipe inside and that extends 5 feet in developed length of pipe beyond the exterior walls of the building and conveys the drainage to the building sewer:
A. Branch drain.
B. Building drain.
C. Branch interval.
D. Building sewer.
```
B. Building drain.
123
```
132. A buiding drain that conveys both sewage and storm water or other drainage:
A. Cobined building drain.
B. Combined sanitary drain.
C. Sanitary street sewer.
D. Combined street sewer.
```
A. Cobined building drain.
124
```
133. A building drain that conveys sewage only:
A. Sanitary building drain.
B. Sanitary house sewer.
C. Sanitary street sewer.
D. Sanitary combined sewer.
```
A. Sanitary building drain.
125
```
134. A building drain that conveys storm water or other drainage, but not sewage:
A. Building storm drain.
B. Building sanitary drain.
C. Building combined drain.
D. Building hous sewer.
```
A. Building storm drain.
126
```
135. That part of a drainage system that extends from the end of the building drain and conveys the discharge to a public sewer, private sewer, individual sewage, disposal system or other point of disposal is:
A. House drain.
B. Building sewer.
C. Street sewer.
D. Public sewer.
```
B. Building sewer.
127
```
136. A building sewer that conveys both sewage and storm water or other drainage:
A. Combined building sewer.
B. Combined house sewer.
C. Combined street sewer.
D. Combined provate sewer.
```
A. Combined building sewer.
128
```
137. A building sewer that conveys sewage only:
A. Sanitary building sewer.
B. Combination building sewer.
C. Street building sewer.
D. Combination street sewer.
```
A. Sanitary building sewer.
129
```
138. A building sewer that conveys storm water or other drainage, but not sewage:
A. Storm building sewer.
B. Combination building sewer.
C. Street building sewer.
D. Combination street sewer.
```
A. Storm building sewer.
130
```
139. That portion of a house drainage system that conveys the drainage from the lower portion of the building to an ejector pot or sump pit from which it is pumped into the building house sewer:
A. House drain.
B. Building sub-house drain.
C. Building trap.
D. Indirect waste.
```
B. Building sub-house drain.
131
```
200. A vent that connects to a horizontal branch and vents two tras to a maximum of eight traps or trapped fixtures connected into a battery:
A. Loop vent.
B. Circuit vent.
C. Relief vent.
D. Uoke vent.
```
B. Circuit vent.
132
```
201. A covered tank for storing rain water to be utilized for purposes other than in the potable water supply:
A. Privy.
B. Outhouse.
C. Cistern.
D. Storage tank.
```
B. Circuit vent.
133
```
202. The discharge the is not permitted into the building storm drainage system is from most nearly:
A. Drinking fountain.
B. Condensate.
C. Cooling water.
D. Sub-surfase water.
```
A. Drinking fountain.
134
```
203. A local venting pipe is most nearly used:
A. To vent an isolated fixture trap.
B. On the outlet side of a trap.
C. On the fixture side of the trap.
D. In a room to exhaustnfoul air.
```
C. On the fixture side of the trap.
135
204. The definition of a " relief vent" is most nearly:
A. A vent connection to the drain pipe through a fitting at an angle not greater than 45* to the vertical.
B. A vent installed so as to permit additinal circultion of air between the drainage and vent system where the drainage system might otherwise be air bound.
C. A vent that connects to a horizontal drainage branch and bents two traps to a maximum of eight traps or trapped fixtures connected into a battery.
D. A vertical bent pipe installed primary for the purpose of providing circulation of air to and from any part of the drainage system.
B. A vent installed so as to permit additinal circultion of air between the drainage and vent system where the drainage system might otherwise be air bound.
136
205. Which statement is mostl nearly correct:
A. The term "Branch shall mean any part of the drainage system that extends to fixtures on two or less consecutive floors except a riser, main or stack.
B. The term "Dead end" shall mean a branch leading from soil, waste or vent pipe; a building drain; or a building sewer, and terminating at a developed length of 2 feet or more by means of a plug, cap or other closed fitting.
C. The term "Leader" shall mean a drainage pipe for conveying storm water from roof or gitter drains to an approved means of disposal.
D. A,B,& C.
D. A,B,& C.
137
```
206. The water seal for a trap serving a combination funnel and floor drain shall be minimum of most nearly:
A. 4 in.
B. 2 in.
C. 2-1/2 in.
D. 3 in.
```
B. 2 in.
138
```
207. An access opening in the drainage system utilized for the removal of obstructions:
A. Plug
B. Trap.
C. Fixture trap.
D. Cleanout.
```
D. Cleanout.
139
```
208. The new york city plumbing code, subsequent amendments thereto, or any of the rules the commissioner adopted pursuant thereto is called a:
A. Ruling.
B. Amendment.
C. Rule.
D. Code.
```
D. Code.
140
```
209. The commissioner of buildings of the city of New York, or his or her duty authorized representative is considered to be the:
A. Representative.
B. Borough superintendent.
C. Commissioner.
D. Plan examiner.
```
C. Commissioner.
141
```
210. A fixture combining one sink and one laundry tray or a two or three compartment sink or laundry tray in one unit is a:
A. Double sink.
B. Dual sinks.
C. Combination fixture.
D. Group fixtures.
```
C. Combination fixture.
142
```
211. A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks of floor drains by means ofna common waste and vent pipebadequately sized to provide free movement of air above the flow line of the drain:
A. Waste and vent system.
B. Combination waste and vent system.
C. Drainage and vent system.
D. Drainage system.
```
B. Combination waste and vent system.
143
```
212. A vent connection at the junction of two fixture drains or to a fixture branch and swrving as a vent for both fixtures:
A. Common vent.
B. Unit vent.
C. Dual vent.
D. A, B, & C.
```
D. A, B, & C.
144
```
213. Any surface of a plumbing fixture which is not ready visible and is not scoured or cleansed with each fixture operation:
A. Area not cleaned.
B. Not visible scum.
C. Concealed fouling surface.
D. Dirty area.
```
C. Concealed fouling surface.
145
```
214. A pipe inside the building that conveys storm water from the roof to a storm or combined building drain:
A. Leader.
B. Conductor.
C. Water pipe.
D. Drainage pipe.
```
B. Conductor.
146
```
215. All of the wrirten, graphic and pictorial documents prepared or assembled for describing the design, location and physical characteristics of the elements of the project necessary for obtaining a building permit. The construction drawings shall be drawn to an appropriate scale are called:
A. Legal document.
B. Approved plans.
C. Homeowners drawings.
D. Construction documents.
```
D. Construction documents.
147
```
1. Each plumbing fixture shall be separately trapped by a:
A. Water-seal.
B. air-seal.
C. Oil-seal.
D. Gas-seal.
```
A. Water-seal.
