PIPE & PIPE FITTING MCQ-2
1) Which among the following is the purpose for using hemp packing in the pipe assembly?
To get good fitting
To fill up the gap between the fitting
To avoid leakage
To get easy engagement and disengagement
Correct Answer- (C)
2) Which among the following is the cause for water flowing from tap even when firmly closed?
Spindle bent
Spindle threads worn out
Defective washer
Valve on the spindle loose
Correct Answer- (C)
3) Which among the following is the cause for tap hard to turn on and off?
Spindle bent
Defective washer
Valve on the spindle loose
Spindle threads worn out
Correct Answer- (A)
4) Which among the following is the cause for loud noise in the tap when turned on?
Spindle bent
Valve on the spindle loose
Defective washer
Spindle threads worn out
Correct Answer- (B)
5) Which one of the following is used to control the flow of water?
Solid jig
Plate jig
Box jig
Trunnion jig
Correct Answer- (B)
6) Which operation is performed by pipe fitting tools? *
5 points
Pipe line fitting
Threading
Bending and tightening of pipe
All of the above
Correct Answer- (D)
7) To increase the pressure of water, the device used is …..
bend
reducer
cross
union
Correct Answer- (B)
8) The measurement of pipe is taken by its………………. diameter and the measurement of tube is taken by its…………… diameter.
outer, inner
outer, outer
inner, inner
inner, outer
Correct Answer- (D)
9) Liquid and gas are delivered to the destination by
pressure
pump
Both (a) and (b)
None of these
Correct Answer- (A)
10) On the basis of pipe construction method, which of the following is not a type of pipe?
Seamless pipe
Drawn pipe
Casted pipe
Collar pipe
Correct Answer- (D)
11) In boiler or steam engine, which of the following material pipe is used?
copper pipe
conduit pipe
lead pipe
plastic pipe
Correct Answer- (A)
12) Generally the standard pipe is represented by ……
numerical bore diameter
pipe category
Both (a) and (b)
None of the above
Correct Answer- (C)
13) The inner diameter of pipes is represented in
cm
mm
inches
All of these
Correct Answer- (C)
14) On the basis of the process of joining pipes, which of the following threads cutting is done?
Nuckle threads
British Whitworth threads
British standard threads
None of the above
Correct Answer- (C)
15) Which of the following is not true?
Fixture is used to bend the pipe
Pipe cutter is able to cut all size of pipes
Both (a) and (b)
None of the above
Correct Answer- (B)
16) Which of the following pipe fittings is used to bend pipe at right angle?
Bend
Socket
Cross
Elbow
Correct Answer- (D)
17) Two pipes having same diameter are joint together by
cross
bend
socket
elbow
Correct Answer- (C)
18) For making a new pipe line with small diameter from a big diameter pipe, which of the following is used?
Bend
Cross
Reducing ‘T’
None of these
Correct Answer- (C)
19) Bend diameter(radius) is … …… than elbow diameter(radius).
less
more
equal
None of these
Correct Answer- (B)
20) For joining bend into pipe line at its both ends, what is connected to it?
Elbow
T
Socket
Cross
Correct Answer- (C)
21) Union is used for
permanent joint
semi-permanent joint
temporary joint
None of these
Correct Answer- (C)
22) Mostly the stop cock is manufactured by
copper
mild steel
aluminium
brass
Correct Answer- (D)
23) In union, the flanges are joint together by
bolt
screw
key
nut
Correct Answer- (D)
24) In which of the following accessory four pipes are used during pipe fitting?
Tee
Cross
Elbow
Union
Correct Answer- (B)
25) For holding the pipe having diameter more than 63 mm and upto 200 m, which of the following tool is used?
Pipe wrench
Foat wrench
Chain pipe vice
Pipe vice
Correct Answer- (C)
26) Former of a pipe bender is selected on the basis of
outer diameter of pipe
inner diameter of pipe
length of pipe
width of pipes wall
Correct Answer- (A)
27) Which one of the following pipe is bent by a bench type manual pipe bender?
G I pipe
Copper pipe
Conduit pipe
Lead pipe
Correct Answer- (A)
28) A hydraulic pipe bending machine can bend the pipe of diameter upto
25 mm
50mm
75 mm
100 mm
Correct Answer- (C)
19) Which of the following is the top angle of pipe thread?
29°
55°
60°
27.5°
Correct Answer- (D)
30) On GI pipes threads are made by ………………..
tap set
thread roller
center lathe
die and stock
Correct Answer- (C)
31) Which of the following material is used for making non-return pipe?
Lead
Aluminium
Bronze
Mild steal
Correct Answer- (C)
32) Cutting internal or female threads on pipe is known as what?
Tapping
Grooving
Tapering
Grinding
Correct Answer- (A)
