60.87%(A) Liquid penetrant inspection ( 14 voters )
26.09%(B) Radiography ( 6 voters )
8.7%(C) Ultrasonic testing ( 2 voters )
4.35%(D) X-ray tomography ( 1 voter )
Based On 23 Votes
GATE MT 2014 Q.14 Which one of the following NDT techniques CANNOT be used to detect an internal crack in a steel shaft?