Electrical Machines No load test of 3-phase induction motor gives which of the following? constant loss None of these variable loss both A and B constant loss None of these variable loss both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as magnetostriction. boo. hum. zoom. magnetostriction. boo. hum. zoom. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a dc machine shunt resistance and armature resistance values are high and low low and high low and low high and high high and low low and high low and low high and high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Synchronous speed None of these Zero Slip speed Synchronous speed None of these Zero Slip speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 50 Hz 5 Hz 0 Hz 1 Hz 50 Hz 5 Hz 0 Hz 1 Hz 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? 1920W 1450W 1820W 2000W 1920W 1450W 1820W 2000W ANSWER DOWNLOAD EXAMIANS APP
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