1) Which one of the following is used for making a branch right angle to the main line in pipe fitting?
Union
Elbow
Tee
Flange
2) Which one of the following accommodates four pipes in pipe fitting?
Socket
Elbow
Tee
Cross
3) Which among the following is used to block up the pipe on one end?
Plug
Union
Tee
Cross
4) Which among the following is used for extending the length in a straight line by joining two different diameter pipes?
Socket
Reducing Socket
Union
Flange
5 ) Which one of the following is used to separate the connection without disturbing the pipeline?
Union
Plug
Socket
Cross
6) Which one of the following is used for holding pipes more than 63 mm and up to 200 mm?
Pipe wrench
Pipe vice
Chain pipe vice
Footprint wrench
7) Which among the following is considered for selection of former of a pipe bender?
Wall thickness of the pipe
Inside diameter of the pipe
The outside diameter of the pipe
Length of the pipe
8) Which among the following pipes is bent by a bench type hand operated pipe bender?
Conduit pipe
G.I. pipe
Lead pipe
Copper pipe
9) A hydraulic pipe bending machine can bend the pipes up to a diameter of
25 mm
50 mm
75 mm
100 mm
10) Which one of the following is the included angle of pipe thread?
29°
27.5°
55°
60°
11) Which among the following methods is generally used to cut threads on G.l. pipe?
By center lathe
By thread rollers
By tap sets
By die and stock
12) Which among the following is the standard form of pipe thread?
B.S.P.
B.S.W.
B.S.F.
B.A.
13) Non-return valve permits water supply in
One way
Two way
Three-way
Four-way
14) Which one of the following materials are used for manufacturing non-return valves?
Mild steel
Aluminum
Bronze
Lead
15) The swing check valve is used to control the flow of water by
Ball
Small hole
Flap
None of the above
16) Gate valve permits water flow in
Straight line
Angular
Right angle
None of the above
17) The gate valve is used in the pipeline to let water flow in
One direction
Two directions
Three directions
Four directions
18) Globe valve is used in a pipeline to let water flow in
One direction
Both directions
Any direction
None of the above
19) The pressure in globe valve is usually
On the right side
On the left side
Under the seat
None of the above
20) Which one of the following is used to control the flow of water?
Swing Check Valve
Globe Valve
Gate Valve - Rising Fitting
Gate Valve- Non - Rising Stem
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