A. pulsating
B. uniform
C. none of the above
D. nil
Related Mcqs:
- After the starting winding of a single phase induction motor is disconnected from supply, it continues to run only on ______________?
A. running winding
B. rotor winding
C. field winding
D. compensating winding - If starting winding of a single-phase induction motor is left in the circuit, it will____________?
A. run faster
B. spark at light loads
C. draw excessive current and overheat
D. run slower - The rotor developed by a single-phase motor at starting is___________?
A. more than i.he rated torque
B. rated torque
C. less than the rated torque
D. zero - If a single phase induction motor runs slower than normal, the most likely defect is_____________?
A. worn bearings
B. short-circuit in the winding
C. open-circuit in the winding
D. none of the above - Which of the following single-phase motors has relatively poor starting torque ?
A. Universal motor
B. Repulsion motor
C. Capacitor motor
D. All single phase motors have zero starting torque - The starting winding of a single-phase motor is placed in_________?
A. armature
B. field
C. rotor
D. stator - Starting winding of a single phase motor of a refrigerator is disconnected from the circuit by means of a___________?
A. magnetic relay
B. thermal relay
C. centrifugal switch
D. none of the above - The power factor of a single-phase induction motor is usually?
A. lagging
B. always leading
C. unity
D. unity to 0.8 leading - A single-phase induction motor is__________?
A. inherently self-starting with high torque
B. inherently self-starting with low torque
C. inherently non-self-starting with low torque
D. inherently non-self-starting with high torque - Single phase induction motor usually operates on__________?
A. 0.6 power factor lagging
B. 0.8 power factor lagging
C. 0.8 power factor leading
D. unity power factor
