The power scale of circle diagram of an induction motor can be found from__________?
A. stator resistance test
B. no-load test only
C. short-circuit test only
D. noue of the above
A. stator resistance test
B. no-load test only
C. short-circuit test only
D. noue of the above
A. inadequate motor wiring
B. poorely regulated power supply
C. any one of the above
D. none of the above
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. bigger
B. smaller
C. same
D. any of the above
A. to short circuit the rotor at slip rings
B. to short circuit the starting resistances in the starter
C. to short circuit the stator phase of motor to form star
D. none of the above
A. k/torque with direct switching
B. K x torque with direct switching
C. K2 x torque with direct switching
D. k2/torque with direct switching
A. 0.01
B. 0.02
C. 0.03
D. 0.04