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MCQ - TNPSC JTO

JTO - 436 - Fitter

436 - Unit IV Welding

81)   

The last two digits in electrode "E7018" indicate:

A.
B.
C.
D.
82)   

Acetylene becomes dangerous at pressures above:

A.
B.
C.
D.
83)   

Which of the following is a safety rule for gas welding?

A.
B.
C.
D.
84)   

The maximum safe storage pressure for acetylene in cylinders is about:

A.
B.
C.
D.
85)   

Which material is used inside acetylene cylinders to dissolve acetylene safely?

A.
B.
C.
D.
86)   

Which defect is commonly seen in gas welding?

A.
B.
C.
D.
87)   

Arc length is influenced by:

A.
B.
C.
D.
88)   

Which welding position requires lower current setting?

A.
B.
C.
D.
89)   

The term "weld bead" refers to:

A.
B.
C.
D.
90)   

What is the effect of using too high current setting?

A.
B.
C.
D.
91)   

Why are special flint strikers used to ignite gas torches?

A.
B.
C.
D.
92)   

Which tool is used to check the straightness of a joint before welding?

A.
B.
C.
D.
93)   

What is the purpose of a welding positioner?

A.
B.
C.
D.
94)   

Electrode holders are rated based on:

A.
B.
C.
D.
95)   

What should be used to protect nearby flammable materials during welding?

A.
B.
C.
D.
96)   

Why is earthing (grounding) important in arc welding?

A.
B.
C.
D.