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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit IV Welding

65)   

When welding thick plates in a butt joint, the most suitable weld is:

A.
B.
C.
D.
66)   

Which testing method provides a permanent image of the defect?

A.
B.
C.
D.
67)   

In ultrasonic testing, the flaws are detected by:

A.
B.
C.
D.
68)   

Which test method is most effective for detecting porosity and inclusions?

A.
B.
C.
D.
69)   

Which test method involves spraying a colored dye on the surface?

A.
B.
C.
D.
70)   

The black magnetic powder used in MPI is called:

A.
B.
C.
D.
71)   

Which of the following is used for clamping thick metal plates before welding?

A.
B.
C.
D.
72)   

The kerf in oxy-fuel cutting refers to:

A.
B.
C.
D.
73)   

The optimal angle of torch for cutting thick metal is typically:

A.
B.
C.
D.
74)   

The function of preheating flames is to:

A.
B.
C.
D.
75)   

Excessive preheat may cause:

A.
B.
C.
D.
76)   

For cutting 25 mm thick mild steel, the oxygen pressure should be approximately:

A.
B.
C.
D.
77)   

The arc length should be approximately equal to:

A.
B.
C.
D.
78)   

If the arc length is too long, it results in:

A.
B.
C.
D.
79)   

The selection of electrode depends mainly on:

A.
B.
C.
D.
80)   

An electrode with "E6013" designation has a tensile strength of:

A.
B.
C.
D.