Single Phase Motors Centrifugal switch disconnects the auxiliary winding of the motor at about ____ percent of synchronous speed 100 70 to 80 30 to 40 80 to 90 100 70 to 80 30 to 40 80 to 90 ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Reluctance motors are None of the listed here Either of the listed Doubly excited Singly excited None of the listed here Either of the listed Doubly excited Singly excited ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Which of the following motors can be used for unity power factor ? Hysteresis motor Schrage motor Shaded pole motor Capacitor run motor Hysteresis motor Schrage motor Shaded pole motor Capacitor run motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is shorted field winding? open armature winding high commutator mica all of these shorted field winding? open armature winding high commutator mica all of these ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will start and run slowly start and then stop start and run at rated speed not start at all start and run slowly start and then stop start and run at rated speed not start at all ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor. None of the listed here More than The same as Less than None of the listed here More than The same as Less than ANSWER DOWNLOAD EXAMIANS APP
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