In a shaded pole single-phase motor, the revolving field is produced by the use of_________?
		A. inductor
B. capacitor
C. resistor
D. shading coils
		A. inductor
B. capacitor
C. resistor
D. shading coils
		A. Repulsion motor
B. Repulsion induction motor
C. Repulsion start induction run motor
D. None of the above
		A. smaller brush width
B. less number of field turns
C. more number of armature turns
D. less air gap
E. all of the above
		A. It requires more maintenance of commutator and other mechanical devices
B. It makes quite a bit of noise on starting
C. In fractional horse power motors, it has replaced the capacitor motors
D. It is not easily reversed
		A. running winding only
B. starting winding only
C. either A. or (b)
D. both A. and (b)
		A. capacitor run motor
B. hysteresis motor
C. universal motor
D. repulsion motor
		A. good power factor
B. high efficiency
C. minimum cost
D. high starting torque