Which of the following may be used to detect unusual bearing noise during rundown when the motor is powered down?

a. Megger®
b. Infrared thermometer
c. Vibration tester
d. Stethoscope


d. Stethoscope

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Answer the following statement(s) true (T) or false (F)

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If the effort moves 7 m and the load moves 3 m, what is the velocity ratio of the lever?

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