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What is the typical speed of rotation in a normal speed fatigue testing machine?

(a) 2000 rpm

(b) 20 rpm

(c) 26,000 rpm

(d) 14,000 rpm

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Asked question is from Aircraft Materials in portion Testing Aircraft Materials of Aerospace Materials & Processes

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The correct answer is (a) 2000 rpm

To explain: The speed of rotation of fatigue testing machines is different for different machines. But, the typical speed is usually of the order of 2000 rpm. For machines that are high speed, it can be 12,000 rpm.

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