Elevator Mechanic Practice Exam 2026 - Free Elevator Mechanic Practice Questions and Study Guide

Question: 1 / 400

What is the function of the SCR in an elevator system?

AC motor control

DC motor control and commonly in direct drives

The correct answer is B, DC motor control and commonly in direct drives. In an elevator system, the SCR (Silicon Controlled Rectifier) is primarily used for controlling the speed and direction of DC motors, which are commonly found in direct drive elevator systems. By regulating the flow of electrical current to the DC motor, the SCR helps to ensure smooth and precise control of the elevator car's movement.

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Inverter control

MCB control

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