Single Phase Motors Most of the fractional horsepower motors have either hard and annealed bearings soft and porous bearings ball or roller bearings plain or sleeve bearings hard and annealed bearings soft and porous bearings ball or roller bearings plain or sleeve bearings 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 Draw excessive armature current and may burn out Fall out of synchronism and come to stand still Become unstable Run as induction motor Draw excessive armature current and may burn out Fall out of synchronism and come to stand still 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 1540 rpm 1279 rpm 1449 rpm 1120 rpm 1540 rpm 1279 rpm 1449 rpm 1120 rpm ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors In a universal motor, the most common cause of brush sparking is high commutator mica open armature winding all of these shorted field winding? high commutator mica open armature winding all of these shorted field winding? ANSWER DOWNLOAD EXAMIANS APP
Single Phase Motors A motor gets overheated due to Worn bearings All of the listed here Dry bearings Overloads Worn bearings All of the listed here Dry bearings Overloads 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. Less than More than The same as None of the listed here Less than More than The same as None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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