Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Insulation requirement is less. Operating cost is less. All of these Collecting of large current is simple. Insulation requirement is less. Operating cost is less. All of these Collecting of large current is simple. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies inversely as applied voltage None of these directly as applied voltage directly as square of applied voltage inversely as applied voltage None of these directly as applied voltage directly as square of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat generated in the transformer is dissipated mainly by conduction. convection. All of these radiation. conduction. convection. All of these radiation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Good voltage regulation None of these Low short circuit current High voltage regulation Good voltage regulation None of these Low short circuit current High voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In escalator which motor is used? 3 - φ IM. DC shunt motor. 1 - φ IM. Universal motor. 3 - φ IM. DC shunt motor. 1 - φ IM. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant power control constant voltage control constant current control constant torque control constant power control constant voltage control constant current control constant torque control ANSWER DOWNLOAD EXAMIANS APP
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