Electrical Machines In salient pole synchronous machine, the reluctance power varies as cos2δ sin2δ cosδ sinδ cos2δ sin2δ cosδ sinδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? shunt generator over compound generator both B and C series generators shunt generator over compound generator both B and C series generators ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase breaking torque. cost of operation. starting torque. power factor. breaking torque. cost of operation. starting torque. power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? Electrical power transformer. Induction motor. DC motor. Electrical power generator. Electrical power transformer. Induction motor. DC motor. Electrical power generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is greater than the primary. equal to primary. any of the above. less than primary. greater than the primary. equal to primary. any of the above. less than primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods of speed control is not affected through stator side? Change of supply voltage. Change of rotor resistance. Change of number of pole. Change of supply frequency. Change of supply voltage. Change of rotor resistance. Change of number of pole. Change of supply frequency. ANSWER DOWNLOAD EXAMIANS APP
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