Which of the following method use pendulum in measuring the surface finish?

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Mr. Dubey

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📊 Metrology and Measurements

Q. Which of the following method use pendulum in measuring the surface finish?

(A) micro interferometer
(B) wallace surface dynamometer
(C) reflected light intensity method
(D) microscopic inspection

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✅ Correct Answer: (B) wallace surface dynamometer

Explanation: wallace surface dynamo meter is like a friction meter which consists a pendulum in which the testing shoes are present which are clamped to a bearing surface and a spring pressure which is predetermined can be applied.

Explanation by: Mr. Dubey

wallace surface dynamo meter is like a friction meter which consists a pendulum in which the testing shoes are present which are clamped to a bearing surface and a spring pressure which is predetermined can be applied.

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