Your Report
Correct
Q.1) When supporting horizontal piping 5-inches in diameter with hangers, a __ inch
diameter rod shall be used.
A. 1
B. 1/2 (Your Answer)
C. 5/8
D. 3/8
Correct
Q.2) The diameter of waste and overflow for a bathtub shall not be less tahn ___
A. 1-1/4 inches OD
B. 1-3/8 inches OD
C. 1-1/2 inches OD (Your Answer)
D. 1-1/4 inches OD
Wrong
Q.3) Any pressure less than that exerted by atmospheric is a(an) __
A. vacuum (Correct Answer)
B. negative pressure (Your Answer)
C. atmospheric pressure
D. positive pressure
Wrong
Q.4) An unconfined space is a room or space having a volume equal to at least ___ of
the aggregate input rating of all the fuel-burning appliances in the space. *
A. 10 cu. ft per Btu/hr
B. 25 cu. ft per 1,000 Btu/hr (Your Answer)
C. 50 cu. ft per 1,000 Btu/hr (Correct Answer)
D. 100 cu. ft per Btu/hr
Wrong
Q.5) With two noted exceptions, all shower compartments and receptors shall be
capable of encompassing a ___ diameter circle.
A. 24-inch (Your Answer)
B. 33-inch
C. 30-inch (Correct Answer)
D. 36-inch
Wrong
Q.6) The curb or threshold of a shower compartment may be eliminated ___.
A. to comply with accessibility standards (Correct Answer)
B. for gang showers
C. in hospitals only (Your Answer)
D. not permitted
Correct
Q.7) Copper tubing installed vertically shall be supported at each storey or at
maximum intervals of ___.
A. 4 ft
B. 10 ft (Your Answer)
C. 8 ft
D. 6 ft
Wrong
Q.8) No plumbing system, drainage system, building sewer, private sewage disposal
system, or parts thereof, shall be located in ___
any lot other than the lot that is the site of the building served by such
facilities (Correct Answer)
B. the walls, floors, or underground in any building
C. pipe access spaces where accessible for repair
D. any garage, or equipment or locker room (Your Answer)
Wrong
A.
Q.9) Solder and fluxes used in piping system conveying potable water are prohibited
when the lead content exceeds..
A. 0.2 of 1 percent (Correct Answer)
B. 1 percent (Your Answer)
C. 0.5 of 1 percent
D. less than 10 percent
Wrong
Q.10) Trough urinals shall be ___.
A. permissible if constructed of concrete
B. prohibited (Correct Answer)
C. allowed in bus stations
D. required in large associations (Your Answer)
Correct
Q.11) Wiped joints are permitted with ___.
A. lead (Your Answer)
B. steel
C. plastic
D. cast iron
Wrong
Q.12) Wall-mounted water closets shall be securely bolted to ___.
A. the wall (Your Answer)
B. double two by six studs
C. a carrier fitting (Correct Answer)
D. a closet bend
Correct
Q.13) Joints in copper shower pan liners shall be ___.
A. burned
B. swaged
C. sealed with epoxy cement
D. soldered or brazed (Your Answer)
Wrong
Q.14) A joint obtained by joining of metal parts with metallic mixtures of alloys that
melt at a temperature up to and including 840 degree F is a ___ *
A. brazed joint
B. soldered joint (Correct Answer)
C. metallic joint
D. flared joint (Your Answer)
Wrong
Q.15) Horizontal hubless pipe shall be braced at not more than 40-foot intervals to
prevent ___.
A. noise
B. leaking
C. vertical movement (Your Answer)
D. horizontal movement (Correct Answer)
Correct
Q.16) All materials, fixtures, or devices used or entering into the construction of
plumbing and drainage systems shall ___. *
A. conform to approved applicable standards (Your Answer)
B. conform to the job specifications
C. conform to price job
D. conform to materials availability
Correct
Q.17) Shower pan linings may be constructed with ___
A. 26 B&S gauge copper
B. zinc-coated steel
C. 15 pounds asphalt felt (Your Answer)
D. 3 pounds per square foot lead
Wrong
Q.18) Joints at the roof, around pipes, shall be made watertight by the use of ___.
A. a sealing compound
B. flashing material (Correct Answer)
C. 15 pound felt
D. oakum (Your Answer)
Wrong
Q.19) The provisions of the code allow an alternate material or method of construction
provided it is ___.
*
A. approved by the architect as an alternate (Your Answer)
B. accepted by the owner as analternate
C. approved by the Authority Having Jurisdiction as alternate (Correct Answer)
D. manufactured by a reputable organization
Wrong
Q.20) Piping in the ground shall be laid on __-.
A. a firm bed (Correct Answer)
B. concrete blocks (Your Answer)
C. redwood stakes
D. common bricks
Correct
Q.21) Piping, fixtures, or equipment that are installed so that they interfere with
normal operation and use of windows or doors shall be ___
A. identified for restricted use
B. protected from damage
C. approved if acceptable by the owner
D. relocated to avoid interference (Your Answer)
Wrong
Q.22) The combination of fittings that may be used to make an offset and is considered
a vertical pipe are:
A. 1-45 degree and 1-45 degree (Correct Answer)
B. 1-60 degree and 1-45 degree (Your Answer)
C. 1-90 degree and 1-45 degree
D. 2-90 degree and 1-45 degree
Wrong
Q.23) I.P.S. is the abbreviation for ___
A. iron pipe standard (Your Answer)
B. iron pipe size (Correct Answer)
C. inside pipe standard
D. inside pipe size
Wrong
Q.24) Burred ends of all pipe and tubing shall be ___.
A. painted to reduce friction
B. reamed to the full bore of the pipe of tube (Correct Answer)
C. avoided by use of special cutting tools (Your Answer)
D. confined to exposed and readily accesible locations
Wrong
Q.25) To provide watertight joint in the floor, shower drains and floor drains are
required to be ___
A. extra-heavy cast iron
B. suitably flanged (Correct Answer)
C. coated with asphalt
D. set in waterproof cement (Your Answer)
Correct
Q.26) A mixing valve that senses outlet temperature and compensates for fluctuations
in incoming hot or cold water temperature is a ___ *
A. combination thermostatic/pressure-balancing valve
B. thermostatic (temperature control) valve (Your Answer)
C. pressure-balancing valve
D. none of the above
Wrong
Q.27) Mechanical devices may be used to complete backfilling where covering above
any piping is at least ___ inches
A. 6 (Your Answer)
B. 12 (Correct Answer)
C. 30
D. 36
Correct
Q.28) Screws or bolts for securing floor_mounted fixtures shall be ___.
A. brass (Your Answer)
B. aluminum
C. galvanized steel
D. die-cast zinc
Correct
Q.29) The organization, office, or individual responsible for enforcing the
requirements of a code or standard is the ___
*
A. Authority Having Jurisdiction (Your Answer)
B. plumbing inspector or department
C. building department
D. administrative authority
Wrong
Q.30) All piping fixtures, and equipment shall be adequately supported in accordance
with the ___.
A. contractor
B. code (Correct Answer)
C. owner
D. engineer (Your Answer)
Correct
Q.31) That portion of a drainage system that does not drain by gravity into the
building sewer is known as a__
A. storm sewer
B. building subdrain (Your Answer)
C. sewer ejector
D. building supply
Wrong
Q.32) The type of acceptable joints for PEX shall be ___
A. metal insert or metal compression (Correct Answer)
B. solvent cemented
C. sheilded coupling (Your Answer)
D. mechanical
Wrong
Q.33) The distance between the wall to the center of water closet shall not be less than __-
A. 12"
B. 15" (Correct Answer)
C. 24" (Your Answer)
D. 30"
Correct
Q.34) Manually controlled flushometer valves shall be used to flush more than
A. one urinal (Your Answer)
B. two urinals
C. three urinals
D. four urinals
Wrong
Q.35) An outlet on a boiler to permit emptying or discharging of sediment is called
a(an) ___ *
A. boiler blowoff (Your Answer)
B. aspirator
C. relief valve (Correct Answer)
D. atmospheric check valve
Correct
Q.36) A permanently installed mechanical device, other than an ejector, for removing
sewage or liquid waste from a sump is called a sewage pump.
A. true (Your Answer)
B. false
C. maybe
Wrong
Q.37) Pipe joint material shall be insoluble inwater, nontoxic, and applied ____.
A. on male threads only (Correct Answer)
B. on pipe threads and inside fittings (Your Answer)
C. on inside fitting threads only
D. in warm weather only
Correct
Q.38) gutters in public shower rooms shall be sloped not less than ___
A. 5%
B. 10%
C. 2% (Your Answer)
D. 3%
Correct
Q.39) The vertical depth of a trap seal is measured from __
A. the outlet of the trap to the bottom of the trap
B. the inlet of the trap to the outlet of the trap
C. the crown weir to the top of the dip of the trap (Your Answer)
D. the inlet of the trap to the bottom of the trap
Wrong
Q.40) Static pressure is pressure existing without any flow.
A. true (Correct Answer)
B. false (Your Answer)
C. maybe
Wrong
Q.41) Roofs, inner courts, vents shafts, light wells, or similar areas having rainwater
drains shall discharge to a ___
A. outside of the building or to the gutter (Correct Answer)
B. sanitary sewage system (Your Answer)
C. private sewage disposal system
D. sump with pump discharge into the house drain
Correct
Q.42) Automatically controlled flushometer valves may be substituted for ___
A. flush tanks (Your Answer)
B. flow control
C. gate valves
D. lever valves
Wrong
Q.43) A horizontal drain that is sized to provide free movement of air above the flow
line of the drain is called a __
A. solvent waste and vent system
B. combination waste and vent system (Correct Answer)
C. continuous waste system
D. durham waste and vent system (Your Answer)
Wrong
Q.44) A drinking fountain installed outside shall be connected to an approved
drainage system.
A. true (Correct Answer)
B. false (Your Answer)
C. maybe
Wrong
Q.45) The discharge from clinical sinks and conveyed to the building drain is defined
as a waste pipe.
A. true (Your Answer)
B. false (Correct Answer)
C. maybe
Wrong
Q.46) When brazing, the alloys shall have a melting temperature of at least __ degrees
F.
A. 800
B. 840
C. 1000 (Correct Answer)
D. 1200 (Your Answer)
Correct
Q.47) It is permitted to drill and tap a vent pipe to connect an indirect waste pipe.
A. true
B. false (Your Answer)
C. maybe
Correct
Q.48) By code definition, a stack is always __
A. straight
B. vertical (Your Answer)
C. horizontal
D. exposed
Wrong
Q.49) A device installed in a drainage system to prevent reverse flow is a ___
A. sewage ejector
B. check valve
C. backflow preventor (Your Answer)
D. backflow valve (Correct Answer)
Wrong
Q.50) A connection to the public sewer, or private sewage disposal system, is required
for ___
A. buildings with plumbing fixtures (Correct Answer)
B. buildings with emergency drain systems
C. buildings with storm drain systems
D. buildings with or without plumbing fixtures (Your Answer)
Correct
Q.51) The building drain from the front building may be extended to the rear building
when both buildings are located ___.
A. on an ineterior (when driveway cannot be used) (Your Answer)
B. 300 ft from the public sewer
C. 200 ft from the public sewer
D. on a corner lot
Wrong
Q.52) Water closet set side by side shall be no closer than ___
A. 15 inches center to center (Your Answer)
B. 30 inches center to center (Correct Answer)
C. 24 inches center to center
D. 18 inches center to center
Wrong
Q.53) Surfaces to be joined by soldering or brazed shall be cleaned bright by ___.
A. mechanical or manual means (Correct Answer)
B. a self-cleaning flux
C. a corrossive flux (Your Answer)
D. sulfuric acid
Correct
Q.54) Water that is safe for people to drink is referred to by this code as ___ *
A. industrial water
B. potable water (Your Answer)
C. soft water
D. hard water
Correct
Q.55) Drinking fountains shall not be installed in ___.
A. public toilet rooms (Your Answer)
B. schoolyards
C. bars
D. restaurants
Wrong
Q.56) Threaded pipe (I.P.S.) 3/4 inch, except for gas piping, installed horizontally shall
be supported at appproximately ___.
A. 5-foot intervals
B. 10-foot intervals (Correct Answer)
C. 12-foot intervals
D. 15-foot intervals (Your Answer)
Wrong
Q.57) A standard that is an extensive compilation of provision covering broad subject
matter is the dedfinition for ___
A. listed
B. legal document
C. code (Correct Answer)
D. standards (Your Answer)
Wrong
Q.58) The restroom facilities in a private day care center are classified as public use.
A. true (Correct Answer)
B. false (Your Answer)
C. maybe
Correct
Q.59) A pipe inside a building that conveys storm water from the roof to a strom drain
is called a(an) ___
A. conductor (Your Answer)
B. building storm drain
C. rain leader
D. adductor
Wrong
Q.60) In seismec zone 1 and 2, hubless cast iron piping 5 inches or larger suspended in
exposed locations over high traffic areas, and over four feet in length, shall be
provided with support on both sides of the coupling
A. true (Your Answer)
B. false (Correct Answer)
C. maybe
Wrong
Q.61) All design, construction, and workmanship shall be in conformity with ___
A. practices of the contractor
B. accepted engineering practices (Correct Answer)
C. standard shop procedures
D. job plan and specifications (Your Answer)
Wrong
Q.62) The minimum distance from a side wall or partition to the center of a urinal
shall be ___ inches
A. 6
B. 12 (Correct Answer)
C. 18
D. 24 (Your Answer)
Wrong
Q.63) Galvanized sheet steel of not less than 16 U.S. gauge may be used to make
dishwashing sinks for ___-
A. restaurants (Correct Answer)
B. lunch counters (Your Answer)
C. commercial buildings
D. residential buildings
Correct
Q.64) The principal artery of the venting system to which branches may be connected
is called the ___
A. branch vent
B. vertical vent
C. vent
D. main vent (Your Answer)
Wrong
Q.65) Tub waste openings in framed construction shall be protected by ___.
A. completely covering the opening with plywood collars
B. metal collars or screens (Correct Answer)
C. filling the annular space with approved fiber material (Your Answer)
D. flasings
Correct
Q.66) A pressure surge-absorbing device operating through the compressibilty of air is
called a(an) ___ *
A. flushometer valve
B. hammer arrestor
C. air chamber (Your Answer)
D. backflow preventor
Correct
Q.67) Test gauges shall not have a pressure range more than __ the test pressure.
A. equal
B. twice (Your Answer)
C. 15 psi
D. 60 psi
Correct
Q.68) The overflow pipe from a fixture shall be connected on the ___- *
A. house or inlet side of the fixture trap (Your Answer)
B. operation side of the fixture trap
C. sewer or outlet side of the fixture trap
Correct
Q.69) Fixture connections between drainage pipes and water closets shall be made
with__-
A. expansion joints
B. unions
C. flanges (Your Answer)
D. hot poured compound
Correct
Q.70) Two-inch horizontal copper tubing drain pipe shall be supported at ___
A. 4 foot intervals
B. 6 foot intervals
C. 10 foot intervals (Your Answer)
D. 12-foot intervals
Wrong
Q.71) PEX piping may be coupled together with shielded couplings.
A. true (Your Answer)
B. false (Correct Answer)
C. maybe
Correct
Q.72) PEX is the definition for ___
A. polyethylene
B. polybutylene X
C. cross-linked polyethylene (Your Answer)
D. none of the above
Correct
Q.73) Sleeves shall be provided to protect all piping through ___ and ___ walls.
A. floors, concrete
B. wood, concrete
C. concrete, masonry (Your Answer)
D. none of the above
Wrong
Q.74) Disposal of sewage, or other liquid waste, shall be by means of __
A. the drainage system of the building or premises (Correct Answer)
B. sewage retaining tanks (Your Answer)
C. subsurface leaching pits
D. chemical toilets
Wrong
Q.75) The distance between the center of urinal shall not be less than ___
A. 12"
B. 15"
C. 24" (Correct Answer)
D. 30" (Your Answer)
Wrong
Q.76) A document, the main text of which contains only mandatory provisions using
the word "shall" to indicate requirements, is best described as a __
*
A. code (Your Answer)
B. standard (Correct Answer)
C. law
D. legal document
Correct
Q.77) gutters in public shower rooms shall be sloped not less than ___
A. 2% (Your Answer)
B. 3%
C. 5%
D. 10%
Wrong
Q.78) All trenches deeper than the footing of any building or structure and paralleling
the same shall be at least ___.
A. 5-foot intervals
B. every other story (Your Answer)
C. each floor not to exceed 15 ft (Correct Answer)
D. 10-foot intervals
Wrong
Q.79) A device and system of piping that maintains a water seal in a remote trap is
called a trap primer.
A. true (Correct Answer)
B. false (Your Answer)
C. maybe
Correct
Q.80) When installing ___, the Authority Having Jurisdiction shall require evidence of
the competency of the installers.
A. potable water piping
B. fuel-gas piping
C. medical gas piping (Your Answer)
D. plumbing appurtenance
Wrong
Q.81) All pipe, pipe fittings, tyraps, fixtures, materials, and devices used in plumbing
system shall be ___
A. listed or labaled by a listing agency
B. approved by the Authority Having Jurisdiction (Your Answer)
C. free from defects
D. all of the above (Correct Answer)
Wrong
Q.82) No dry or chemical closet (toilet) shall be installed in any building used for
human habitation unless first approved by the ___
A. owner
B. plumbing inspector (Your Answer)
C. city clerk
D. health officer (Correct Answer) CHO, MHO
Correct
Q.83) A pipe that makes an angle of not more than 45 degree with the vertical is
considered ___
A. vertical (Your Answer)
B. horizontal
C. crooked pipe
D. diagonal pipe
Wrong
Q.84) The minimum wall thickness for threaded plastic pipe shall be ___
*
A. Schedule 40
B. Schedule 80 (Correct Answer)
C. 1/8 inch (Your Answer)
D. 1/16 inch
Wrong
Q.85) Unsanitary and insanitary share the same meaning
A. true (Correct Answer)
B. false (Your Answer)
C. maybe
Correct
Q.86) A device integrated within an ai accumalator vessel that is designed to discharge
a predetermined quantity of water to fixtures for flushing purposes is a (an) __
*
A. surge tank
B. day tank
C. expansion tank
D. flushometer tank (Your Answer)
Wrong
Q.87) Fixtures having concealed slip-joint connections shall be provided with _--
A. a utility space or access panel (Correct Answer)
B. a ladder and a light fixture
C. red brass fittings
D. rubber gasket (Your Answer)
Correct
Q.88) The joint of a wall-hung lavatory, where it is in contact with the wall, shall be
___
A. smooth
B. painted
C. concealed
D. watertight (Your Answer)
Wrong
Q.89) Every water supply to a urinal shall be protected by an approved __A. relief valve (Your Answer)
B. vacuum breaker (Correct Answer)
C. metering valve
D. automatic switch
Correct
Q.90) Tanks flushing more than one urinal shall be ___
A. *automatic in operation (Your Answer)
B. acid-resistant
C. enamel
D. manual in operation
Correct
Q.91) Closet bends or stubs shall be cut off so as to present a smooth surface, even
with the ___.
A. top of the rough floor
B. top of the closet ring (Your Answer)
C. top of the finish floor
D. bottom of the closet ring
Correct
Q.92) The length along the centerline of the pipe and fittings is the ___
A. diameter length
B. circumferential length
C. developed length (Your Answer)
D. diagonal length
Correct
Q.93) A combination building sewer is (a)___
combination of all sewer and drainage piping from inside and outside of the
building
B. building sewer that conveys industrial waste and domestic sewage
C. building drains that convey waste and storm water
D. building sewer that conveys both sewage and storm water (Your Answer)
Wrong
A.
Q.94) When a backflow prevention device does not bear a critical level marking, the
part of the device that shall constitute the critical level is the ___ *
A. top
B. center
C. bottom (Correct Answer)
D. outlet invert (Your Answer)
Unanswered
Q.95) Voids around piping passing through concrete floors on the ground shall be ___
A. flanged
B. protected
C. sealed (Correct Answer)
D. packed
Correct
Q.96) The lowest portion of the inside of a horizontal pipe is called the ___
A. invert mass
B. invert (Your Answer)
C. flat vent
D. bottom
Wrong
Q.97) Drain pipes subject to condensation over food storage in food-handling
establishment shall be ___.
A. installed with a spill pan
B. thermally insulated (Correct Answer)
C. remouled out of the area (Your Answer)
D. tested with 5 psi of air