MCQ - TNPSC JTO
JTO - 440 - Welder
440 - Unit III Set the Oxygen Acetylene Gas Cutting Plant
33)
A carburizing flame is also called:
A.
B.
C.
D.
34)
Carburizing flame is suitable for welding:
A.
B.
C.
D.
35)
The oxidizing flame is suitable for welding:
A.
B.
C.
D.
36)
The inner cone temperature of a neutral flame is about:
A.
B.
C.
D.
37)
A flame with excess oxygen is called:
A.
B.
C.
D.
38)
The feather-like outer envelope is more prominent in:
A.
B.
C.
D.
39)
The main application of oxidizing flame is:
A.
B.
C.
D.
40)
Carburizing flame can cause:
A.
B.
C.
D.
41)
In welding, excessive oxidizing flame can result in:
A.
B.
C.
D.
42)
For welding aluminium, the flame adjustment should be:
A.
B.
C.
D.
43)
Which flame has the shortest inner cone?
A.
B.
C.
D.
44)
The oxygen pressure is generally higher than acetylene pressure in:
A.
B.
C.
D.
45)
A flame with a long, white inner cone is:
A.
B.
C.
D.
46)
The neutral flame is identified by:
A.
B.
C.
D.
47)
An oxidizing flame is generally unsuitable for:
A.
B.
C.
D.
48)
For lead burning, the preferred flame is:
A.
B.
C.
D.