Single Phase Motors Which of the following statements regarding hysteresis motor is in incorrect ? It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage It is extremely quiet in operation It accelerates from rest to full-speed almost instantaneously Its high starting torque is due to its high rotor hysteresis loss It is extremely sensitive to fluctuations in supply voltage ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a repulsion motor, brushes are connected Together by a jumper wire To the external supply To starting winding To stator winding Together by a jumper wire To the external supply To starting winding To stator winding ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors is used for unity power factor ? Universal motor Hysteresis motor Reluctance motor Schrage motor Universal motor Hysteresis motor Reluctance motor Schrage motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 30 to 40 70 to 80 100 80 to 90 30 to 40 70 to 80 100 80 to 90 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The direction of rotation of an hysteresis motor is determined by position of shaded pole with respect to main pole interchanging the supply leads none of these retentivity of the rotor material position of shaded pole with respect to main pole interchanging the supply leads none of these retentivity of the rotor material ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following single phase motor is available with speed as low as one revolution per month? Shaded pole Reluctance Hysteresis Universal Shaded pole Reluctance Hysteresis Universal ANSWER DOWNLOAD EXAMIANS APP
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