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MCQ - Mechanical TNPSC JTO
JTO - 440 - Welder - 440 - Unit VII SMAW Defects

26)   

Which of the following is NOT a method of controlling distortion?

A.
B.
C.
D.
Answer: C
27)   

“Transverse shrinkage” occurs in the direction:

A.
B.
C.
D.
Answer: B
28)   

In gas welding, distortion is more pronounced because:

A.
B.
C.
D.
Answer: C
29)   

The main purpose of tack welding before final welding is to:

A.
B.
C.
D.
Answer: B
30)   

Which sequence reduces distortion in welding long joints?

A.
B.
C.
D.
Answer: A
31)   

Which distortion type is characterized by bending along the weld line?

A.
B.
C.
D.
Answer: C
32)   

Excessive distortion in thin plates can be avoided by:

A.
B.
C.
D.
Answer: A
33)   

Which welding process generally produces the least distortion?

A.
B.
C.
D.
Answer: D
34)   

Clamping during welding is mainly done to:

A.
B.
C.
D.
Answer: B
35)   

“Backstep” welding is done in which direction?

A.
B.
C.
D.
Answer: A
36)   

Which factor increases distortion risk in welding?

A.
B.
C.
D.
Answer: C
37)   

Which type of distortion causes warping of the whole plate?

A.
B.
C.
D.
Answer: B
38)   

Using intermittent welds instead of continuous welds:

A.
B.
C.
D.
Answer: B
39)   

The “heat sink” method for distortion control involves:

A.
B.
C.
D.
Answer: B
40)   

Which of the following is a result of severe distortion?

A.
B.
C.
D.
Answer: B
41)   

Which of the following is NOT a common type of pipe joint?

A.
B.
C.
D.
Answer: C
42)   

A “butt joint” in pipe welding means:

A.
B.
C.
D.
Answer: A
43)   

In pipe welding, a fillet weld is most commonly used in:

A.
B.
C.
D.
Answer: A
44)   

Which pipe joint type is most suitable for high-pressure pipelines?

A.
B.
C.
D.
Answer: B
45)   

Which welding position is denoted as 1G in pipe welding?

A.
B.
C.
D.
Answer: A
46)   

2G pipe welding position means:

A.
B.
C.
D.
Answer: A
47)   

5G pipe welding position is:

A.
B.
C.
D.
Answer: B
48)   

In 6G position, the pipe axis is inclined at:

A.
B.
C.
D.
Answer: B
49)   

Which position is considered the most difficult in pipe welding?

A.
B.
C.
D.
Answer: D
50)   

Socket weld joints are mainly used for:

A.
B.
C.
D.
Answer: A