During a no-load test on the capstan, how long must it run at each rated speed?

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Multiple Choice

During a no-load test on the capstan, how long must it run at each rated speed?

Explanation:
A no-load test on the capstan checks that the drive can reach and hold its rated speeds smoothly when there is no load, and it should do so without overheating or developing abnormal vibration or noise. Five minutes at each rated speed is long enough for the system to reach steady-state and for temperature to rise to its operating level, so you can observe whether the speed remains stable, the bearings and gears lubricate properly, and the control system holds the speed under the no-load condition. Shorter times might not reveal slow drifts or minor overheating, while excessively long runs aren’t necessary for this check. So the required duration is five minutes at each rated speed.

A no-load test on the capstan checks that the drive can reach and hold its rated speeds smoothly when there is no load, and it should do so without overheating or developing abnormal vibration or noise. Five minutes at each rated speed is long enough for the system to reach steady-state and for temperature to rise to its operating level, so you can observe whether the speed remains stable, the bearings and gears lubricate properly, and the control system holds the speed under the no-load condition. Shorter times might not reveal slow drifts or minor overheating, while excessively long runs aren’t necessary for this check. So the required duration is five minutes at each rated speed.

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