MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit VI Gas Cylinders and Regulators
97)
The heat source in gas welding is:
A.
B.
C.
D.
98)
The temperature of oxy-acetylene flame is about:
A.
B.
C.
D.
99)
The neutral flame has:
A.
B.
C.
D.
100)
Carburizing flame is used for:
A.
B.
C.
D.