Single Phase Motors Which of the following motors is generally used for elctric shavers? Shaded pole motor Hysteresis motor Reluctance motor Universal motor Shaded pole motor Hysteresis motor Reluctance motor Universal motor ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors The repulsion start induction run motor is used because of good power factor high starting torque minimum cost high efficiency good power factor high starting torque minimum cost high efficiency ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A 4-pole , 50 Hz single phase induction motor is running with a slip of 3.4%. The speed of the motor is 1449 rpm 1279 rpm 1540 rpm 1120 rpm 1449 rpm 1279 rpm 1540 rpm 1120 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors Locked rotor current of a shaded pole motor is several times the full load current equal to full load current slightly more than full load current less than full load current several times the full load current equal to full load current slightly more than full load current less than full load current ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor. 0.33 times 3 times 1.5 times The same as 0.33 times 3 times 1.5 times The same as ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In case of a reluctance motor, when the load is increased so that it cannot maintain synchronous speed the motor will Become unstable Run as induction motor Fall out of synchronism and come to stand still Draw excessive armature current and may burn out Become unstable Run as induction motor Fall out of synchronism and come to stand still Draw excessive armature current and may burn out ANSWER DOWNLOAD EXAMIANS APP
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