Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3.33% -3% +3% +3.33% -3.33% -3% +3% +3.33% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire to reduce the insulation of materials. in order to reduce eddy current to provide large flux. to provide large flux. as it carries large load current. to reduce the insulation of materials. in order to reduce eddy current to provide large flux. to provide large flux. as it carries large load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 3 - Φ IM in order to eliminate cogging the number of stator slots must be equal to number of rotor slots. an integral multiple of number of rotor slots. either (B) or (C). unequal to number of rotor slots and skewed in shape. equal to number of rotor slots. an integral multiple of number of rotor slots. either (B) or (C). unequal to number of rotor slots and skewed in shape. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to zero. 1.5 %. 4 %. less than 1 %. zero. 1.5 %. 4 %. less than 1 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC generator will be in a position to build up without any residual magnetism in the field? Compound. Shunt. Series. Separately excited. Compound. Shunt. Series. Separately excited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The application that need frequent starting and stopping is jaw crushers. blowers. paper mills. lifts and hoists. jaw crushers. blowers. paper mills. lifts and hoists. ANSWER DOWNLOAD EXAMIANS APP
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