Electrical Machines In a synchronous generator, if mechanical input is increased with constant excitation, the load angle will None of these either increase or decrease increase decrease None of these either increase or decrease increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor requires 3 point starter? Shunt, compound and series motor. Series motor. Shunt motor. Shunt motor as well as compound motors. Shunt, compound and series motor. Series motor. Shunt motor. Shunt motor as well as compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a certain transformer is increased by 50% and the frequency is reduced by 50%, the maximum flux density will (assuming that the magnetic circuit remains unsaturated) changes to 0.5 times the original value remain the same as the original changes to three times the original value changes to 1.5 times the original value changes to 0.5 times the original value remain the same as the original changes to three times the original value changes to 1.5 times the original value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 2000W 1920W 1820W 1450W 2000W 1920W 1820W 1450W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. stainless steel. silicon steel. aluminium. closed grained cast iron. stainless steel. silicon steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer which of the following losses are zero? Iron loss Copper loss Rotational loss All of these Iron loss Copper loss Rotational loss All of these ANSWER DOWNLOAD EXAMIANS APP
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