Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? None of these either GNA or MNA MNA GNA None of these either GNA or MNA MNA GNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the mechanical power developed by a DC series motor is maximum? Back emf is equal to half the applied voltage. None of above. Back emf is equal to zero. Back emf is equal to applied voltage. Back emf is equal to half the applied voltage. None of above. Back emf is equal to zero. Back emf is equal to applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The three point starter is used for Shunt motor as well as compound motors. Shunt motor. Shunt, compound and series motor. Series motor. Shunt motor as well as compound motors. Shunt motor. Shunt, compound and series motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Synchronous condensers are used to improve the power factor improve starting torque All of these reduce hunting improve the power factor improve starting torque All of these reduce hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high staring torque and high power factor. high staring torque only. high power factor only. none. high staring torque and high power factor. high staring torque only. high power factor only. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip test is performed to determine positive sequence reactance and negative sequence reactance All of these direct axis reactance and quadrature axis reactance slip positive sequence reactance and negative sequence reactance All of these direct axis reactance and quadrature axis reactance slip ANSWER DOWNLOAD EXAMIANS APP
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