Dye Penetrant Test - Askmemetallurgy

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Asked: July 1, 2020In: DT & NDT

GATE MT 2017 Q23. Dye penetrant test is based on the principle of:

4.04%A. Polarised sound waves in liquid ( 4 voters )

2.02%B. Magnetic domain ( 2 voters )

5.05%C. Absorption of X-rays ( 5 voters )

88.89%D. Capillary action ( 88 voters )

Based On 99 Votes

9.09%(A) Pre- and post-cleaning of parts are not required ( 2 voters )

0%(B) Internal defects can be detected

18.18%(C) Surface oxides helps in crack identification ( 4 voters )

72.73%(D) Dye with low contact angle is required ( 16 voters )

Based On 22 Votes

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