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MCQ - TNPSC JTO

JTO - 440 - Welder

440 - Unit I Introduction and Definition of Welding

33)   

In OAW, purging the hoses before lighting is done to:

A.
B.
C.
D.
34)   

The neutral flame in OAW is obtained by:

A.
B.
C.
D.
35)   

What is the danger of a backfire in OAW?

A.
B.
C.
D.
36)   

In OAW, the oxygen regulator is color-coded:

A.
B.
C.
D.
37)   

What should be done if a gas leak is suspected in OAW?

A.
B.
C.
D.
38)   

Why should hoses be kept away from hot metal during OAW?

A.
B.
C.
D.
39)   

What type of flame is used for welding mild steel in OAW?

A.
B.
C.
D.
40)   

Which is NOT an arc welding accessory?

A.
B.
C.
D.
41)   

What is the function of the welding cable?

A.
B.
C.
D.
42)   

In OAW, the welding torch is used to:

A.
B.
C.
D.
43)   

Which tool is used to clean the tip of a gas welding torch?

A.
B.
C.
D.
44)   

In SMAW, a slag hammer is used fo

A.
B.
C.
D.
45)   

The device that reduces high cylinder pressure to working pressure in OAW is called:

A.
B.
C.
D.
46)   

In SMAW, the current setting depends mainly on:

A.
B.
C.
D.
47)   

Which accessory is essential for cleaning rust before welding?

A.
B.
C.
D.
48)   

Why is the pressure gauge important in OAW?

A.
B.
C.
D.