MCQ - TNPSC JTO
JTO - 436 - Fitter
436 - Unit IV Welding
113)
Tip of welding torch is called:
A.
B.
C.
D.
114)
Gas welding is preferred for:
A.
B.
C.
D.
115)
Flashback arrestor is used to:
A.
B.
C.
D.
116)
Main parameter to set in arc welding machine is:
A.
B.
C.
D.
117)
Increasing welding current results in:
A.
B.
C.
D.
118)
Electrode size selection depends on:
A.
B.
C.
D.
119)
Arc length affects:
A.
B.
C.
D.
120)
Short arc length causes:
A.
B.
C.
D.
121)
Oxy-acetylene cutting is mainly used for:
A.
B.
C.
D.
122)
Cutting torch has:
A.
B.
C.
D.
123)
Preheating metal in oxy-acetylene cutting is required to:
A.
B.
C.
D.
124)
Cutting oxygen lever is used to:
A.
B.
C.
D.
125)
Acetylene cylinder must be stored:
A.
B.
C.
D.
126)
Which welding defect is caused by low current or fast travel speed?
A.
B.
C.
D.
127)
Gas pockets trapped inside weld metal cause:
A.
B.
C.
D.
128)
Which defect occurs if slag is not removed properly between weld passes?
A.
B.
C.
D.