Elevator Mechanic Practice Exam

Question: 1 / 400

You are testing an elevator with a rated speed of 500fpm. What is the minimum speed the safeties should set at?

450fpm

For an elevator with a rated speed of 500 feet per minute (fpm), the minimum speed at which the safeties should activate is typically set at a percentage of the rated speed, commonly around 90%. This ensures that the safeties can reliably engage before the elevator exceeds its safe operational limits.

Calculating 90% of 500 fpm gives a minimum safety activation speed of 450 fpm. This threshold is crucial because it allows the elevator's safety mechanisms to engage effectively in case of an emergency or malfunction, preventing potential accidents.

The other options suggest speeds that either exceed the rated speed or do not meet the safety activation guidelines. Maintaining the safeties below the rated speed ensures they can function properly when needed, making the identified minimum speed appropriate.

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500fpm

575fpm

600fpm

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