Mechanical Engineering > GATE 2017 SET-2 > Unconventional Machining
Which one of the following statements is TRUE for the ultrasonic machining (USM) process?
A
In USM, the tool vibrates at subsonic frequency.
B
USM does not employ magnetostrictive transducer.
C
USM is an excellent process for machining ductile materials.
D
USM often uses a slurry comprising abrasive-particles and water.

Correct : d

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