Which one of the following statements is TRUE for the ultrasonic machining USM process

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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.



By:Oshal-Borkar

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Answers

Ans. D.
Explanation:
a) Wrong : In USM, the tool vibrates at high may be sonic frequency.
b) Wrong : USM uses transducers so as to produce low amplitude vibration
c) Wrong : USM is an excellent process for machining hard and brittle materials.
d) In USM slurry comprising abrasive particles and water are often uses to remove material from the workpiece by abrasion or impact grinding action

aksingh1818

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