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How much is the value of surface finished, achieved using Ultrasonic Polishing?(a) 0.1 μm(b) 0.3 μm(c) 0.5 μm(d) 0.7 μmI got this question during an online exam.The above asked question is from USM in portion Mechanical Processes of Advanced Machining

Answer» RIGHT choice is (B) 0.3 μm

To explain: Using ULTRASONIC POLISHING, very low values of surface finish can be obtained, which MAY be very low as 0.3 μm.


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