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MCQ - Mechanical TNPSC JTO
JTO - 440 - Welder - 440 - Unit VI Gas Cylinders and Regulators

51)   

The function of a regulator in gas welding is to:

A.
B.
C.
D.
Answer: B
52)   

A single-stage regulator reduces pressure

A.
B.
C.
D.
Answer: A
53)   

A double-stage regulator reduces pressure:

A.
B.
C.
D.
Answer: B
54)   

Double-stage regulators give:

A.
B.
C.
D.
Answer: B
55)   

Regulators are fitted between:

A.
B.
C.
D.
Answer: B
56)   

The color of oxygen regulator is

A.
B.
C.
D.
Answer: A
57)   

The color of acetylene regulator is:

A.
B.
C.
D.
Answer: A
58)   

The gauge on the regulator that shows cylinder pressure is called:

A.
B.
C.
D.
Answer: B
59)   

The gauge that shows pressure going to the torch is:

A.
B.
C.
D.
Answer: B
60)   

The main advantage of a double-stage regulator is:

A.
B.
C.
D.
Answer: B
61)   

Low-pressure acetylene welding system is also called:

A.
B.
C.
D.
Answer: A
62)   

High-pressure acetylene system is called:

A.
B.
C.
D.
Answer: A
63)   

In a low-pressure system, acetylene is supplied at:

A.
B.
C.
D.
Answer: B
64)   

In a high-pressure system, acetylene is supplied at:

A.
B.
C.
D.
Answer: A
65)   

The main components of an oxy-acetylene welding system are:

A.
B.
C.
D.
Answer: A
66)   

Oxygen hoses are generally colored:

A.
B.
C.
D.
Answer: A
67)   

Acetylene hoses are colored:

A.
B.
C.
D.
Answer: A
68)   

In oxy-acetylene welding, gas mixing happens in:

A.
B.
C.
D.
Answer: B
69)   

In the injector type torch, oxygen is supplied at:

A.
B.
C.
D.
Answer: B
70)   

Equal pressure type torch requires:

A.
B.
C.
D.
Answer: B
71)   

In leftward welding technique, welding starts from:

A.
B.
C.
D.
Answer: A
72)   

In rightward welding technique, welding starts from:

A.
B.
C.
D.
Answer: A
73)   

Leftward welding is suitable for plates up to:

A.
B.
C.
D.
Answer: A
74)   

Rightward welding is suitable for plates:

A.
B.
C.
D.
Answer: A
75)   

Rightward welding requires:

A.
B.
C.
D.
Answer: C