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. Exhaust fan
B. Ceiling fan
C. Refrigerator
D. Water pump
A. D.C. shunt motor
B. D.C. series motor
C. Squirrel cage induction motor
D. Slip ring induction motor
A. plugging
B. mechanical braking
C. regenerative braking
D. rheostatic braking
A. Printing machine
B. Punching machine
C. Planer
D. Lathe