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MCQ - Mechanical TNPSC JTO
JTO - 440 - Welder - 440 - Unit I Introduction and Definition of Welding

76)   

The recommended filter lens shade for most SMAW welding is:

A.
B.
C.
D.
Answer: B
77)   

The main advantage of TIG welding is:

A.
B.
C.
D.
Answer: B
78)   

The welding process that does not require shielding gas is:

A.
B.
C.
D.
Answer: A
79)   

Which welding process uses a continuously fed wire electrode?

A.
B.
C.
D.
Answer: B
80)   

Plasma Arc Welding is an advanced form of:

A.
B.
C.
D.
Answer: B
81)   

Which welding process is most economical for long, straight welds ?

A.
B.
C.
D.
Answer: A
82)   

In arc welding, heat is produced by:

A.
B.
C.
D.
Answer: B
83)   

Gas welding flame temperature is approximately:

A.
B.
C.
D.
Answer: A
84)   

Which welding method is most suitable for outdoor windy conditions?

A.
B.
C.
D.
Answer: C
85)   

Electroslag welding is generally used for:

A.
B.
C.
D.
Answer: B
86)   

Arc length is defined as:

A.
B.
C.
D.
Answer: B
87)   

Duty cycle of a welding machine refers to:

A.
B.
C.
D.
Answer: B
88)   

Spatter in welding means:

A.
B.
C.
D.
Answer: B
89)   

In gas welding, backfire means:

A.
B.
C.
D.
Answer: A
90)   

Flashback is:

A.
B.
C.
D.
Answer: A
91)   

The term “penetration” in welding means:

A.
B.
C.
D.
Answer: A
92)   

Shielding gas in welding is used to:

A.
B.
C.
D.
Answer: B
93)   

In gas welding, a carburizing flame contains:

A.
B.
C.
D.
Answer: B
94)   

The oxidizing flame is produced by:

A.
B.
C.
D.
Answer: A
95)   

The molten pool in welding is:

A.
B.
C.
D.
Answer: B
96)   

Arc blow in welding refers to:

A.
B.
C.
D.
Answer: A
97)   

In gas welding, “neutral flame” means:

A.
B.
C.
D.
Answer: C
98)   

Porosity in welding is caused by:

A.
B.
C.
D.
Answer: A
99)   

Tack weld is:

A.
B.
C.
D.
Answer: A
100)   

The heat-affected zone (HAZ) is:

A.
B.
C.
D.
Answer: B