Industrial Drives

A. Printing machine
B. Punching machine
C. Planer
D. Lathe

A. Electric shovels
B. Cranes
C. Rolling mills
D. All of the above

A. Pole changing squirrel cage motors
B. D.C. motors with Ward-leonard con-trol
C. A.C. slip ring motors with variable resistance
D. Any of the above

A. d.c. shunt motor
B. schrage motor
C. synchronous motor
D. slip ring induction motor

A. Slip ring induction motor
B. Synchronous motor
C. D.C. shunt motor
D. Schrage 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. transformers
B. cooling ranges
C. three phase induction motors
D. single phase

A. heavy
B. medium
C. normal
D. low

A. Cascade controlled A.C. motor
B. Slip ring induction motor
C. Three phase shunt wound com-mutator motor
D. Any of the above