What's That?
A pipe chase is a ________.
a. wire brush for cleaning the inside of pipes
b. wire brush for cleaning the outside of pipes
c. continuous space in a building through which pipes run
d. thimble through a wall to allow a pipe to pierce the wall
c. continuous space in a building through which pipes run
In an accident report, the information that may be most useful in decreasing the recurrence of similar type accidents is the ________.
a. time the accident happened
b. cause of the accident
c. extent of injuries sustained
d. number of people involved
b. cause of the accident
Dimensions 1 and 8 are between ________ to ________ inches. (Pic 4.)
a. 12; 14
b. 15; 17
c. 17; 19
d. 20; 24
c. 17; 19
The size of K, L, or M copper water tube relates to the ________.
a. inside diameter
b. putside diameter
c. nominal diameter
d. nominal diameter plus 1/8"
c. nominal diameter
Symbol #1 is a ________. (Pic 5.)
a. angle valve
b. tee
c. cross
d. check valve
c. cross
Reversal of flow in a water supply pipe caused by vacuum is called ________.
a. backseal
b. backpressure
c. backflow
d. backsiphonage
d. backsiphonage
The factor that is NOT generally considered to be a major cause of accidents is ________?
a. failure to use personal protective equipment (PPE)
b. working at very rapid speed
c. using inoperative safety devices
d. lack of familiarity with a particular job
d. lack of familiarity with a particular job
Dimension 10 is at least ________ inches. (Pic 4.)
a. 36
b. 48
c. 60
d. 72
b. 48
The size of ACR tube relates to the ________.
a. inside diameter
b. outside diameter
c. nominal diameter
d. nominal diameter plus 1/8"
b. outside diameter
The recessed bathtub is symbol # ________. (Pic 8.)
a. 1
b. 3
c. 4
d. 5
a. 1
A branch interval is defined as ________.
a. the length of installed piping as measured along the centerline
b. the distance along a soil or waste stack, usually a story height but never less than 8 feet (2438 mm), in which the horizontal branches receiving the discharge from ones floor's worth of fixtures is connected
c. a vent connecting one or more individual vents to a vent stack or stack vent
d. anything other than a main, riser, or stack that extends to fixtures on two or less consecutive floors
b. the distance along a soil or waste stack, usually a story height but never less than 8 feet (2438 mm), in which the horizontal branches receiving the discharge from ones floor's worth of fixtures is connected
Exposed traps are prohibited in ________.
a. trauma centers
b. accessible public restrooms
c. food service establishments
d. mental health facilities
d. mental health facilities
Where water is served in restaurants, drinking fountains shall ________.
a. be installed for occupancies over 50 patrons
b. be installed for occupancies over 100 patrons
c. be installed for occupancies over 200 patrons
d. not be required
d. not be required
ABS pipe installed horizontally requires hangers at intervals no greater than ________ feet.
a. 5
b. 4
c. 3
d. 2
b. 4
Symbol #11 is an ell with welded joints. It can also be an ell with ________. (Pic 5.)
a. soldered
b. fusion
c. solvent cement
d. threaded
b. fusion
The fixture that has its trap above the floor is a ________.
a. bathtub
b. shower stall
c. water closet
d. floor drain
c. water closet
Ground that does not completely support the barrel of a sewer pipe between the joints when laid at the bottom of a trench is called ________.
a. low ground
b. unstable ground
c. unsupported ground
d. trench ground
b. unstable ground
A tank is filled with fresh water to a height of 20 feet. The pressure at the bottom of the tank is ________ pounds per square foot.
a. 1168
b. 1248
c. 1322
d. 1404
b. 1248
A street ell is a fitting that has ________.
a. threads on the inside of one end and on the outside of the other end
b. threads on the inside of both ends
c. threads on the outside of both ends
d. non-tapered threads on both ends
a. threads on the inside of one end and on the outside of the other end
The tank-type water closet is symbol # ________. (Pic 8.)
a. 2
b. 7
c. 6
d. 3
c. 6
The purpose of an expansion tank in a hot water heating system is to ________.
a. pass cold water to the system
b. prevent water hammer in the system
c. allow for changes in the volume of the water in the system
d. store the water in the system when the boiler is off
c. allow for changes in the volume of the water in the system
In a building with a basement subdrain sump, ________ is prohibited from discharging to the sump.
a. subsoil drainage
b. drainage from soil pipes
c. waste from laundry fixtures
d. drainage above the gravity sewer
d. drainage above the gravity sewer
Drinking fountains required by code shall be equipped with both a bubbler for drinking and a faucet for filling a container at least ________ inches in height.
a. 8
b. 9
c. 10
d. 12
c. 10
A provision of the 1938 New York City Plumbing Code states that wrought iron pipe shall conform to the specifications for welded WI pipe of ASTM standard no. A72-33, and shall be galvanized. In the year 2014, if you wanted to obtain a reprint of this publication you could try emailing ________.
a. the Association of Standard Testing Methods
b. the Association for Standards, Tests, and Modifications
c. The American Society for Testing and Materials
d. ASTM International
d. ASTM International
Symbol #9 is a ________. (Pic 5.)
a. 45
b. 90 or ell
c. reducing ell
d. eccentric fitting
c. reducing ell