Quiz About Plumbing 1
ABOUT PLUMBING
- 1.
- A kind of G.I. fitting that has one end external threads, while the other end has internal threads.
- A.
STREET ELBOW or TEE
- B.
Wye
- C.
Elbow
- 2.
- A kind of G.I. fitting used as a reducer from a bigger diameter to a lesser diameter.
- A.
Bushing
- B.
Reducer
- C.
Fitting
- 3.
- A stop valve in a service pipe close to its connection with a water main.
- A.
Gate valve
- B.
Corporation cock
- C.
Check valve
- D.
Globe valve
- 4.
- One end is 0.30M and the other end is 0.90M long. This prevents the pipe from snapping (breaking?)when the soil settles. [U-shaped?]
- A.
Gooseneck
- B.
Corporation cock
- C.
Ball cock
- D.
Long neck
- 5.
- refers to the public water system laid underground along the streets where the house service is connected.
- A.
Main service
- B.
Water source
- C.
Water main
- 6.
- These valves are used when it is desired that the flow through a pipe be always in one direction and there is a possibility of a flow taking place in the opposite direction. One type has a pivoted flap which is readily pushed open by the pressure of water from one side but is tightly closed by the force of a reverse flow.
- A.
Gatevalves
- B.
Checkvalves
- C.
Globe valves
- 7.
- To insure no leakage, a G.I. pipe when threaded has to use lead liquid or ______ tape around the thread before tightening the fittings.
- A.
Solvent
- B.
Teflon
- C.
Packaging
- D.
Electrical
- 8.1. A slow draining of water from a fixture down a plumbing system indicates a poor venting system. This poor venting system is caused by:
- A.
A. Over loaded fixture unit in the soil stack
- B.
B. Change in the atmospheric pressure in the pipe
- C.
C. Wrong choice of vent type
- D.
D. Inadequate drain pipe
- 9.1. A term used for a pipe extension of not more than 2 feet in length, installed at any stack or branch of a plumbing rough-in for the purpose future tap.
- A.
A. tail piece
- B.
B. branch
- C.
C. clean out
- D.
D. stub out
- 10.1. A type of pump which comprises essentially an impeller or set of vanes enclosed in a housing or casing close coupled with the pump motor. Its fundamental principle is it adds energy in the form of velocity to an already flowing liquid.
- A.
A. reciprocating pump
- B.
B. centrifugal pump
- C.
C. piston pump
- D.
D. turbine pump
- 11.1. A vent used in a battery of plumbing fixtures where the vent is installed in front of the last fixture of the battery.
- A.
A. yoke vent
- B.
B. circuit vent
- C.
C. stack vent
- D.
D. relief vent
- 12.1. Any pipe in the plumbing system provided to ventilate a house drainage system and to prevent trap siphonage and back pressure.
- A.
A. waste pipe
- B.
B. vent pipe
- C.
C. soil pipe
- D.
D. house trap
- 13.1. Single lever valves used in kitchen sink and lavatory faucets or at shower valves has gain popularity in plumbing installation today. This is because these valves are beautiful and are maintenance-free. These valves work by the principle of a:
- A.
A. gate valve
- B.
B. angle valve
- C.
C. ball valve
- D.
D. globe valve
- 14.1. What is a type of vent applied on installations with multi-branch interval where the vertical vent pipe takes off in front of the first fixture and connects to a main vent stack?
- A.
A. Relief vent
- B.
B. Yoke vent
- C.
C. Loop vent
- D.
D. Circuit vent
- 15.-can be constructed with hand tools or power tools-depth of about 15 meters (50 ft)-can have the greatest diameter that a space may allow
- A.
DUG WELLS
- B.
DEEP WELLS
- C.
HOLE WELLS
- D.
FOX HOLE
- 16.. The vertical supply pipe which extends upward from one floor to the next is called a_________
- A.
Service pipe
- B.
Riser
- C.
Vent
- D.
Stack vent
- 17.. Water is treated by giving ________________ to kill the harmful bacteria present and to cure the turbid taste or “mud taste”, remove clay, salts, iron, etc. commonly used treating liquids is chlorine.
- A.
Chemical powder
- B.
Chemical treatments
- C.
Bacteria
- 18.. A reservoir, tank or vessel for storing or holding water or other liquids
- A.
CISTERN/ CISTERN TANK
- B.
WATER TANK
- C.
WATER DAM
- D.
COFERDAM
- 19.. Water is distributed from the normal water pressure coming from the public water main, for low rise buildings.
- A.
UPFEED SYSTEM
- B.
DOWN FEED SYSTEM
- C.
PRESSURE SYSTEM
- D.
DIRECT SYSTEM
- 20.. By gravity, water is distributed from overhead water tanks and is supported either by structural frames or on the roof decks. Fixtures are below the gravity tank. These elevated tanks are installed when normal water supply from main public service pipes is not frequent and when normal pressure from city main is not enough to force the water to the highest fixtures.
- A.
UPFEED SYSTEM
- B.
DOWN FEED SYSTEM
- C.
PRESSURE SYSTEM
- D.
DIRECT SYSTEM
- 21.1. A device used to control an incoming high water pressure into the water distribution system by mechanical means so as to bring it to a working pressure of 80 psi.
- A.
A. Pressure relief valve
- B.
B. Pressure reducer
- C.
C. Pressure reducing valve
- D.
D. Pressure regulator
- 22.1. A female GI pipe reducer fitting used in a straight pipe connection where the fitting’s both ends are threaded inside
- A.
A. coupling reducer
- B.
B. bushing reducer
- C.
C. elbow reducer
- D.
D. tee reducer
- 23.1. A female GI threaded pipe reducer fitting use to connect a reducing branch from a main water distribution.
- A.
A. bell reducer
- B.
B. tee reducer
- C.
C. elbow reducer
- D.
D. coupling reducer
- 24.1. A female GI threaded pipe reducer fitting use to connect a reducing branch pipe at an angle.
- A.
A. Elbow reducer
- B.
B. Bushing reducer
- C.
C. Coupling reducer
- D.
D. Tee reducer
- 25.G1. A fitting installed at a branching tee from a horizontal soil branch to a horizontal waste branch.
- A.
A. 4”x2” Wye and 2 1/8” bend combination
- B.
B. 4”x4” Tee
- C.
C. 4”x2” Tee
- D.
D. 4”x4” Wye and 4 1/8” bend combination
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