- (A) Star-delta
- (B) Resistance starting
- (C) Auto-transformer
- (D) None of the above
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- (A) Pulley
- (B) Starter
- (C) Foundation pedal
- (D) Bearings
- (A) Exhaust fan
- (B) Ceiling fan
- (C) Refrigerator
- (D) Water pump
- (A) plugging
- (B) mechanical braking
- (C) regenerative braking
- (D) rheostatic braking
- (A) Printing machine
- (B) Punching machine
- (C) Planer
- (D) Lathe
- (A) Electric shovels
- (B) Cranes
- (C) Rolling mills
- (D) All of the above
- (A) d.c. shunt motor
- (B) schrage motor
- (C) synchronous motor
- (D) slip ring induction motor
- (A) paper mills
- (B) steel mills
- (C) moist atmospheres
- (D) explosive atmospheres
- (A) Resistance in rotor circuit
- (B) Resistance in stator circuit
- (C) Auto-transformer starting
- (D) Star-delta starting
- (A) Lower cost
- (B) Better efficiency
- (C) High power factor
- (D) All of the above
