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MCQ - Mechanical TNPSC JTO
JTO - 440 - Welder - 440 - Unit IX Testing Welded Joints by Different

51)   

One major advantage of DPT over MPT is that it:

A.
B.
C.
D.
Answer: A
52)   

Fluorescent penetrants are inspected under:

A.
B.
C.
D.
Answer: C
53)   

The power source in MPT is used to:

A.
B.
C.
D.
Answer: B
54)   

In MPT, demagnetization after testing is important because:

A.
B.
C.
D.
Answer: B
55)   

Which is NOT a stage in Dye Penetrant Testing?

A.
B.
C.
D.
Answer: C
56)   

The electromagnetic coil method in MPT is best suited for:

A.
B.
C.
D.
Answer: B
57)   

In DPT, emulsifiers are used in:

A.
B.
C.
D.
Answer: B
58)   

The term “sensitivity” in DPT refers to:

A.
B.
C.
D.
Answer: B
59)   

Which current type in MPT is best for surface crack detection?

A.
B.
C.
D.
Answer: B
60)   

The powder used in dry MPT is usually colored:

A.
B.
C.
D.
Answer: A
61)   

The most common defect type revealed by MPT is:

A.
B.
C.
D.
Answer: B
62)   

In DPT, over-washing after penetrant application can:

A.
B.
C.
D.
Answer: B
63)   

The portable yoke in MPT is powered by:

A.
B.
C.
D.
Answer: B
64)   

One disadvantage of fluorescent penetrants is:

A.
B.
C.
D.
Answer: B
65)   

The “halo” effect in MPT is caused by:

A.
B.
C.
D.
Answer: A
66)   

Which safety precaution is essential in DPT?

A.
B.
C.
D.
Answer: A
67)   

MPT is unsuitable for:

A.
B.
C.
D.
Answer: B
68)   

A common carrier liquid in wet MPT is:

A.
B.
C.
D.
Answer: B
69)   

The reason for using UV light in fluorescent MPT is to:

A.
B.
C.
D.
Answer: B
70)   

The cleaning step after MPT is necessary to:

A.
B.
C.
D.
Answer: A
71)   

Which testing method uses electromagnetic radiation with wavelengths shorter than ultraviolet light?

A.
B.
C.
D.
Answer: C
72)   

In X-ray testing, the main source of radiation is:

A.
B.
C.
D.
Answer: B
73)   

Gamma ray testing commonly uses isotopes such as:

A.
B.
C.
D.
Answer: A
74)   

Which of the following is NOT an advantage of X-ray testing?

A.
B.
C.
D.
Answer: D
75)   

In radiographic testing, dark areas on the film indicate:

A.
B.
C.
D.
Answer: B