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
A. magnetic relay
B. thermal relay
C. centrifugal switch
D. none of the above
A. pulsating
B. uniform
C. none of the above
D. nil
A. interchanging the supply leads
B. position of shaded pole with respect to main pole
C. retentivity of the rotor material
D. none of these
A. 30 to 40
B. 70 to 80
C. 80 to 90
D. 100
A. high inductance of field and armature circuits
B. induced current in rotor due to variations of flux
C. fine copper wire winding
D. none of the above
A. short circuited capacitor
B. capacitor value hiving changed
C. open circuiting of capacitor
D. none of the above
A. thick wire placed at the bottom of the slots
B. thick wire placed at the top of the slots
C. thin wire placed at the top of the slots
D. thin wire placed at the bottom of the slots