MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit I Introduction and Definition of Welding
81)
Which welding process is most economical for long, straight welds ?
A.
B.
C.
D.
82)
In arc welding, heat is produced by:
A.
B.
C.
D.
83)
Gas welding flame temperature is approximately:
A.
B.
C.
D.
84)
Which welding method is most suitable for outdoor windy conditions?
A.
B.
C.
D.
85)
Electroslag welding is generally used for:
A.
B.
C.
D.
86)
Arc length is defined as:
A.
B.
C.
D.
87)
Duty cycle of a welding machine refers to:
A.
B.
C.
D.
88)
Spatter in welding means:
A.
B.
C.
D.
89)
In gas welding, backfire means:
A.
B.
C.
D.
90)
Flashback is:
A.
B.
C.
D.
91)
The term “penetration” in welding means:
A.
B.
C.
D.
92)
Shielding gas in welding is used to:
A.
B.
C.
D.
93)
In gas welding, a carburizing flame contains:
A.
B.
C.
D.
94)
The oxidizing flame is produced by:
A.
B.
C.
D.
95)
The molten pool in welding is:
A.
B.
C.
D.
96)
Arc blow in welding refers to:
A.
B.
C.
D.