Category: Industrial Drives

A. Synchronous motor
B. Slip ring induction motor
C. Pole changing induction motor
D. Squirrel cage induction motor

A. Synchronous motor
B. Reluctance motor
C. Series motor
D. Shunt motor

A. Universal motor
B. D.C. series motor
C. Synchronous motor
D. Three-phase induction motor

A. Power houses
B. Pumping stations
C. Automobile workshops
D. All of the above

A. A 100 H.P. AC. three phase motor
B. Four motors of 25 H.P. each
C. Five motors of 20 H.P. each
D. Ten motors of 10 H.P. each

A. Electric shovels
B. Cranes
C. Rolling mills
D. All 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. Running characteristics
B. Starting characteristics
C. Efficiency
D. Braking

A. Resistance in rotor circuit
B. Resistance in stator circuit
C. Auto-transformer starting
D. Star-delta starting