Mechanics Exam Review-Neiep

A contractor wants to raise the car speed from 100 fpm to 125 fpm, it currently has a 12" sheave. What is required? {Ans: } 100 fpm/125 fpm= 12"/ X =15A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do? {Ans: } Replace it with a larger MOV - 630On a Ward-Leonard circuit the brake is set, but the motor is trying to slip through the brake. What is the issue? {Ans: } Suicide Circuit - 425You have an old DC motor and are adding an SCR drive, what do you do to the interpoles? {Ans: } Leave the interpoles alone. When adding a SCR drive to the generator, the series loop is removed, as are the 3 resistors. Everything else remains the sameA hydro runs up with no load but will not run with a full load. What is the issue? {Ans: } The relief valve is set too low - 815Runby for a 1:1 hits the CWT buffer 4" below the top landing. CWT runby should be set at 18". How much should the ropes be shortened? {Ans: } 22" - 235You need to work on a freight