Electrical Machines Armature reaction in a DC machine makes an angle with the main pole axis which is load dependent. is in direct opposition to the main poles. makes an angle of 90° with the main pole axis. is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. is in direct opposition to the main poles. makes an angle of 90° with the main pole axis. is in the same direction as the main poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC shunt motor if load is increased, the speed reduce slightly. remains constant. increase proportional. increased slightly. reduce slightly. remains constant. increase proportional. increased slightly. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high voltage and low current applications. high current and low voltage applications. where greater load is connected. where constant speed is required. high voltage and low current applications. high current and low voltage applications. where greater load is connected. where constant speed is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The squirrel cage induction motors are provided with blades in order to none of these. facilitate cooling of rotor. eliminate noise. balance the rotor dynamically. none of these. facilitate cooling of rotor. eliminate noise. balance the rotor dynamically. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulation method is accurate ? Synchronous impedance method ZPF method American standard association method MMf method Synchronous impedance method ZPF method American standard association method MMf method ANSWER DOWNLOAD EXAMIANS APP
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