Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? either GNA or MNA GNA None of these MNA either GNA or MNA GNA None of these MNA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The inertia constant H of a synchronous condenser is none of these. greater than that of hydro generator. greater than that of turbo alternator. equal to that of the effective length of the line. none of these. greater than that of hydro generator. greater than that of turbo alternator. equal to that of the effective length of the line. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, electric current to the external circuit from armature is given through none of above. commutator. solid connection. slip rings. none of above. commutator. solid connection. slip rings. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the phase difference between two windings of A.C servomotor ? 60°. 30°. 90°. 120°. 60°. 30°. 90°. 120°. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? Single phase induction motor. AC slip ring motor. Synchronous motor. DC series motor. Single phase induction motor. AC slip ring motor. Synchronous motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Nr Zero Ns S.Ns Nr Zero Ns S.Ns ANSWER DOWNLOAD EXAMIANS APP
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