sparksacademychennai@gmail.com +91 8190879379 Saidapet, Chennai

MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit IV Welding

161)   

Which flame is suitable for cutting mild steel using oxy-acetylene?

A.
B.
C.
D.
162)   

Which is a common defect in oxy-acetylene cutting?

A.
B.
C.
D.
163)   

Which arc welding defect is caused by trapped gases in weld metal?

A.
B.
C.
D.
164)   

A longitudinal crack in weld occurs due to:

A.
B.
C.
D.
165)   

Which defect is observed when slag remains in weld metal?

A.
B.
C.
D.
166)   

Arc blow is more common in:

A.
B.
C.
D.
167)   

In arc welding, undercut defect means:

A.
B.
C.
D.
168)   

Preheating before welding is mainly done to:

A.
B.
C.
D.
169)   

Electrode storage should be in:

A.
B.
C.
D.
170)   

Why electrodes are stored in a heated oven?

A.
B.
C.
D.
171)   

Which electrode type is highly sensitive to moisture?

A.
B.
C.
D.
172)   

The main purpose of electrode coating is to:

A.
B.
C.
D.
173)   

Which standard gives classification of welding electrodes?

A.
B.
C.
D.
174)   

For how long should low-hydrogen electrodes be baked before use?

A.
B.
C.
D.
175)   

What happens if electrodes absorb moisture?

A.
B.
C.
D.
176)   

The main precaution while changing gas cylinders is:

A.
B.
C.
D.