Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is zero. leading. lagging. unity. zero. leading. lagging. unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages uniform torque. all of below. less noise. locking tendency is reduced. uniform torque. all of below. less noise. locking tendency is reduced. ANSWER DOWNLOAD EXAMIANS APP
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% +3% -3.33% +3.33% -3% +3% -3.33% +3.33% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 8 pole. 2 pole. 4 pole. 6 pole. 8 pole. 2 pole. 4 pole. 6 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? open type winding wave winding closed winding lap winding open type winding wave winding closed winding lap winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 30 %. 5 %. 1.5 %. 2.67 %. 30 %. 5 %. 1.5 %. 2.67 %. ANSWER DOWNLOAD EXAMIANS APP
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