- (A) Precise control
- (B) Smooth movement
- (C) Fast speed control
- (D) All of the above
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- (A) slop speed operation
- (B) high starting torque
- (C) low windage losses
- (D) all of the above
- (A) Silicon diodes
- (B) Mercury arc rectifier
- (C) Motor generator set
- (D) Any of the above
- (A) ore handling plants
- (B) steel plants
- (C) heavy engineering workshops
- (D) all of the above
- (A) slip ring motor
- (B) schrage motor
- (C) induction motor
- (D) repulsion motor
- (A) Synchronous motor
- (B) Slip ring induction motor
- (C) Pole changing induction motor
- (D) Squirrel cage induction motor
- (A) auto-transformer
- (B) star-delta
- (C) slip ring
- (D) any of the above
- (A) plugging
- (B) mechanical braking
- (C) regenerative braking
- (D) rheostatic braking
- (A) Totally enclosed
- (B) Totally enclosed fan cooled
- (C) Open type
- (D) Semi closed
- (A) r.p.m. only
- (B) Horse power only
- (C) Horse power and r.p.m.
- (D) Horse power, r.p.m. and power factor
