A. inadequate motor wiring
B. poorely regulated power supply
C. any one of the above
D. none of the above
A. twice the full load torque
B. 1.5 times the full load torque
C. equal to full load torque
A. supply frequency
B. supply voltage
C. copper losses in motor
D. none of the above
A. open-circuit test only
B. short-circuit test only
C. stator resistance test
D. none of the above
A. 0.04%
B. 0.4%
C. 4%
D. 14%
A. at the unit value of slip
B. at the zero value of slip
C. at the value of the slip which makes rotor reactance per phase equal to the resistance per phase
D. at the value of the slip which makes the rotor reactance half of the rotor
A. low horsepower motors
B. variable speed motors
C. high horsepower motors
D. high speed motors