A. low horsepower motors
B. variable speed motors
C. high horsepower motors
D. high speed motors
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. parabola
B. hyperbola
C. rectangular parabola
D. straigth line
A. Air motor
B. Induction motor
C. D.C. shunt motor
D. Synchronous motor
A. in the opposite direction as the direction of the rotating field
B. in the same direction as the direction of the field
C. in any direction depending upon phase squence of supply
A. 0.01
B. 0.02
C. 0.03
D. 0.04
A. Block rotor test only
B. No load test only
C. Block rotor test and no-load test
D. Block rotor test, no-load test and stator resistance test