Electrical Machines stepped cores are used in transformers in order to reduce iron loss. reluctance of core. volume of copper. volume of iron. iron loss. reluctance of core. volume of copper. volume of iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is unity power factor None of these leading power factor lagging power factor unity power factor None of these leading power factor lagging power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -0.08 -1.92 0.08 1.92 -0.08 -1.92 0.08 1.92 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Shaded pole IM. Synchronous motors. Split phase IM. Cage induction motor. Shaded pole IM. Synchronous motors. Split phase IM. Cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of emf with distributed winding to emf with concentrated winding. None of these emf with concentrated winding to emf with distributed winding. both 1 and 2. emf with distributed winding to emf with concentrated winding. None of these emf with concentrated winding to emf with distributed winding. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to an induction motor, the air gap in a DC motor is more. less than 50%. between 50% and 90%. same. more. less than 50%. between 50% and 90%. same. ANSWER DOWNLOAD EXAMIANS APP
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