Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 36° 72° 18° 30° 36° 72° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type short - shunt generator. series generator. shunt generator. level compound. short - shunt generator. series generator. shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of the rotor in a 3 - Φ squirrel cage induction motor reduces noise, parasitic and starting torque, but increase pull out torque. noise and pullout torque, but increase parasitic and starting torque. noise and parasitic torque, but increase starting and pull-out torque. noise, parasitic torque, starting torque and pull out torque. noise, parasitic and starting torque, but increase pull out torque. noise and pullout torque, but increase parasitic and starting torque. noise and parasitic torque, but increase starting and pull-out torque. noise, parasitic torque, starting torque and pull out torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be reduced by 10% increased by 10% increased by 20% reduced by 20% reduced by 10% increased by 10% increased by 20% reduced by 20% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant voltage control constant current control constant torque control constant power control constant voltage control constant current control constant torque control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. constant. maximum. variable. minimum. constant. maximum. variable. ANSWER DOWNLOAD EXAMIANS APP
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