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MCQ - TNPSC JTO

JTO - 440 - Welder

440 - Unit IX Testing Welded Joints by Different

65)   

The “halo” effect in MPT is caused by:

A.
B.
C.
D.
66)   

Which safety precaution is essential in DPT?

A.
B.
C.
D.
67)   

MPT is unsuitable for:

A.
B.
C.
D.
68)   

A common carrier liquid in wet MPT is:

A.
B.
C.
D.
69)   

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

A.
B.
C.
D.
70)   

The cleaning step after MPT is necessary to:

A.
B.
C.
D.
71)   

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

A.
B.
C.
D.
72)   

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

A.
B.
C.
D.
73)   

Gamma ray testing commonly uses isotopes such as:

A.
B.
C.
D.
74)   

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

A.
B.
C.
D.
75)   

In radiographic testing, dark areas on the film indicate:

A.
B.
C.
D.
76)   

Gamma ray testing differs from X-ray testing mainly in:

A.
B.
C.
D.
77)   

Which safety measure is MOST critical during X-ray welding inspection?

A.
B.
C.
D.
78)   

The unit used to measure radiation exposure is:

A.
B.
C.
D.
79)   

X-ray testing is MOST suitable for detecting:

A.
B.
C.
D.
80)   

Which radiographic technique uses film placed on the opposite side of the radiation source?

A.
B.
C.
D.