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MCQ - TNPSC JTO

JTO - 440 - Welder

440 - Unit VIII Arc Welding Electrode

49)   

For cellulosic electrodes, baking is:

A.
B.
C.
D.
50)   

Main reason to avoid moisture in electrodes is:

A.
B.
C.
D.
51)   

Hardfacing electrodes are used for:

A.
B.
C.
D.
52)   

Cast iron welding is often done with

A.
B.
C.
D.
53)   

Stainless steel welding generally requires:

A.
B.
C.
D.
54)   

Copper and copper alloys are welded with:

A.
B.
C.
D.
55)   

For welding in wet or underwater conditions, the electrodes used are:

A.
B.
C.
D.
56)   

Low-hydrogen electrodes are used to:

A.
B.
C.
D.
57)   

Hardfacing electrodes are mainly coated with:

A.
B.
C.
D.
58)   

Manganese steel is welded using:

A.
B.
C.
D.
59)   

Which electrode is used for surfacing of cutting tools?

A.
B.
C.
D.
60)   

Graphite electrodes are mainly used for:

A.
B.
C.
D.
61)   

Special electrodes for repairing cracks in engine blocks are generally:

A.
B.
C.
D.
62)   

Bronze welding of steel uses electrodes coated with:

A.
B.
C.
D.
63)   

Special electrodes with thick coating for large gaps are called:

A.
B.
C.
D.
64)   

Electrodes for aluminium welding are generally made of:

A.
B.
C.
D.