PIPE AND FITTING MCQ 3
1) Which of the following pipe is used for steam or heavy pressure gas
Cast iron pipe
GI pipe
wrought iron pipe
RCC pipe
Correct answer (C)
2) The material used for making washer of water tap, is
rubber
leather
Both (a) and (b)
None of these
Correct answer (C)
3) Gate valve is most suitable, where the pressure and flow are
more
loss
constant
None of these
Correct answer (C)
4) Stop valve is used in
(a) middle of main line
(b) starting of trench line
(C) Both (a) and (b)
(d) None of the above
Correct answer (C)
5) A change of direction (other than 900) in a pipe that brings one part out of, but parallel with the line of another pipe is known as what?
Break
Tee
Elbow
Offset
Correct answer (D)
6) Which one of the following is used to control the flow of water?
Swing chuck valve
Globe valve
Gate valve
None of these
Correct answer (B)
7) Which among the following methods is generally used to cut the threads on GI pipe?
By thread rollers
By centre lathe
By tap sets
By die and stock
Correct answer (D)
8) Which tool is used to tight or loose the pipe accessories?
Vice
Pipe wrench
Spanner
All of these
Correct answer (B)
9) Which is the included angle of pipe thread?
29°
55°
27°
None of these
Correct answer (B)
10) Which among the following is the cause for water flowing from tap even when firmly closed?
Spindle bent
Spindle threads worn out
Valve on the spindle loose
Defective washer
Correct answer (D)
11) Which pipe is used for pipelines in airplanes?
Cast iron pipe
Brass pipe
GI pipe
None of these
Correct answer (B)
12) Which accessory is used to connect the four side pipe fitting?
T
Valve
Elbow
Cross
Correct answer (D)
13) Which material is used for manufacturing non-return valve?
Bronze
Brass
Copper
Lead
Correct answer (A)
14) A hydraulic pipe bending machine can bend the pipes upto a diameter of ……..
50 mm
75 mm
90mm
60mm
Correct answer (B)
15) Which is the standard form of pipe thread?
BSF
BSW
BA
BSP
Correct answer (D)
16) Which among the following is the cause for loud noise in the tap when turned on?
Valve on the spindle loose
Spindle bent
Defective washer
Spindle threads worn out
Correct answer (C)
17) Non-return valve permits water supply in
one way
two way
three way
four way
Correct answer (A)
18) To connect two pipes at 90° angle accessory used is
T
elbow
bend
cross
Correct answer (A)
19) Which pipe is used in electrical wiring?
Hose pipe
Conduit pipe
RCC pipe
GI pipe
Correct answer (B)
20) Which accessory is used to connect branch pipe to main pipe?
Elbow
Cross
Reducer
T
Correct answer (D)
21) Which accessory is used to connect two pipes in a straight line?
Elbow
T
Cross
Socket
Correct answer (D)
22) Which accessory is used to block up the pipe on one end?
Union
T
Plug
Cross
Correct answer (C)
23) Which pipe is used for sewer line?
Hose pipe
RCC pipe
Copper pipe
GI pipe
Correct answer (B)
24) Gate valve is used in pipeline to let water flow in
one direction
two direction
three direction
None of these
Correct answer (B)
25) Which pipe is used by fire brigade?
Brass pipe
Hose pipe
Canvas pipe
GI pipe
