Electrical Machines Which of the following motors has negative speed regulation? Shunt motors. Differential compound motors. Series motors. Both B and C. Shunt motors. Differential compound motors. Series motors. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Zero None of these Slip speed Synchronous speed Zero None of these Slip speed Synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principal of starting of 3 - Φ IM is similar to repulsion motor type starting. synchronous motor. transformer with short-circuited secondary. capacitor run IM. repulsion motor type starting. synchronous motor. transformer with short-circuited secondary. capacitor run IM. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? armature current (I) speed both A and B flux (φ) armature current (I) speed both A and B flux (φ) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, if direct axis reactance and quadrature axis reactance is equal, then power developed due to reluctance is any of the above zero maximum infinite value any of the above zero maximum infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Universal motors. Reluctance motors. Induction motors. Stepper motors. Universal motors. Reluctance motors. Induction motors. Stepper motors. ANSWER DOWNLOAD EXAMIANS APP
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