An induction motor is__________?
A. self-starting with zero torque
B. self-starting with high torque
C. self-starting with low torque
D. non-self starting
A. self-starting with zero torque
B. self-starting with high torque
C. self-starting with low torque
D. non-self starting
A. high starting torque is required
B. load torque is heavy
C. heavy pull out torque is required
D. all of the above
A. twice the full load torque
B. 1.5 times the full load torque
C. equal to full load torque
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
A. The slip of the motor will be 5%
B. The rotor will not run
C. The rotor will run at very high speed
D. The torque produced will be very large
A. sR2X2 = 1
B. sR2 = X2
C. R2 = sX2
D. R2 = s2X2
A. open-circuit test only
B. short-circuit test only
C. stator resistance test
D. none of the above