A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a

12" sheave. What sheave is required? - Answer Diam=12" 12/4=3" 25fpm=3"

100fpm + 25fpm= 12"+3"= 15" sheave

A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or

resistance. What should you do? - Answer Replace it with a larger MOV

On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the

break. What is the issue? - Answer Suicide Circuit

You...
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