MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit X Gas Tungsten Arc Welding
65)
Plasma arc welding uses temperatures up to:
A.
B.
C.
D.
66)
Plasma cutting can be used on:
A.
B.
C.
D.
67)
Which plastic welding method uses a heated tool pressed against the joint?
A.
B.
C.
D.
68)
Polypropylene and polyethylene welding is mostly done by:
A.
B.
C.
D.
69)
Induction welding produces heat by:
A.
B.
C.
D.
70)
GTAW is also called:
A.
B.
C.
D.
71)
In GMAW, short-circuiting transfer is used for:
A.
B.
C.
D.
72)
Spray transfer mode in GMAW is best suited for:
A.
B.
C.
D.
73)
Which of the following is not an advantage of GTAW?
A.
B.
C.
D.
74)
The term “CO₂ welding” refers to:
A.
B.
C.
D.
75)
Plasma arc welding uses a:
A.
B.
C.
D.
76)
In resistance spot welding, electrode force is applied:
A.
B.
C.
D.
77)
Thermit welding’s main advantage is:
A.
B.
C.
D.
78)
Friction welding is a:
A.
B.
C.
D.
79)
The shielding gas in GMAW for stainless steel is often:
A.
B.
C.
D.
80)
Which welding process produces the least distortion?
A.
B.
C.
D.