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MCQ - TNPSC JTO

JTO - 440 - Welder

440 - Unit IX Testing Welded Joints by Different

33)   

The liquid used in DPT is designed to have:

A.
B.
C.
D.
34)   

Which step in DPT removes excess penetrant from the surface?

A.
B.
C.
D.
35)   

The most common color combination in visible DPT is:

A.
B.
C.
D.
36)   

Which of the following is NOT an advantage of DPT?

A.
B.
C.
D.
37)   

Magnetic Particle Testing (MPT) works on the principle of:

A.
B.
C.
D.
38)   

MPT can detect:

A.
B.
C.
D.
39)   

Which type of current is often used in MPT for detecting subsurface defects?

A.
B.
C.
D.
40)   

The fine iron particles used in MPT are called:

A.
B.
C.
D.
41)   

The black-and-white contrast in MPT is achieved by:

A.
B.
C.
D.
42)   

One limitation of MPT is that it:

A.
B.
C.
D.
43)   

In DPT, the time the penetrant remains on the surface is called:

A.
B.
C.
D.
44)   

The developer in DPT serves to:

A.
B.
C.
D.
45)   

MPT indication formed by magnetic flux leakage is called:

A.
B.
C.
D.
46)   

Which MPT method uses wet suspension of particles in oil or water?

A.
B.
C.
D.
47)   

In MPT, the strongest magnetic leakage field is produced when the defect is:

A.
B.
C.
D.
48)   

Which penetrant type is most sensitive?

A.
B.
C.
D.