In case the air gap in an induction motor is increased____________?

A. the motor will run in reverse direction
B. the motor will run at reduced speed
C. the motor will not run
D. the motor will burn

A. proper ventilation
B. using DOL starter
C. auto-transformer starter
D. having number of rotor slots more or less than the number of stator slots (not equal)

A. three phase transformers
B. compound generators
C. D.C. series motors
D. induction motors

A. it is run on load
B. it is run in reverse direction
C. it is run on voltage higher than the rated voltage
D. e.m.f. is injected in the rotor circuit

A. resistance rise method
B. thermometer method
C. embedded temperature method
D. all above methods

A. less than 1%
B. 1.5%
C. 2%
D. 4%