MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit I Introduction and Definition of Welding
97)
In gas welding, “neutral flame” means:
A.
B.
C.
D.
98)
Porosity in welding is caused by:
A.
B.
C.
D.
99)
Tack weld is:
A.
B.
C.
D.
100)
The heat-affected zone (HAZ) is:
A.
B.
C.
D.