Engineering > EXAM > Elevator Mechanic Test - Set #3 QUESTIONS WITH COMPLETE SOLUTIONS (All)
Elevator Mechanic Test - Set #3 QUESTIONS WITH COMPLETE SOLUTIONS
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If the pulley falls off a door operator, what likely happened? Correct Answer: The set screw probably came out When replacing a circuit board in a controller, what should you do after the power is ... off? A) use a surge protector, B) Use the proper PPE, C) Use a grounding wrist strap. Correct Answer: C) Use a grounding wrist strap What are demarcation lights used for on escalators? Correct Answer: To give a visual indication of the gap between steps at the lower and upper ends. Who gives you the right to a safe workplace? Correct Answer: O.S.H.A. High mica can cause arcing at the brushes. What else can do this? Correct Answer: So can neutral. [Show More]
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