Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.1. 0.5. 0.05. 1.0. 0.1. 0.5. 0.05. 1.0. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of cast iron. stainless steel. carbon. silicon steel. cast iron. stainless steel. carbon. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Nr Zero S.Ns Ns Nr Zero S.Ns Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means pulling the motor directly on line without a rotor. interchanging two supply phases for quick stopping. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. pulling the motor directly on line without a rotor. interchanging two supply phases for quick stopping. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 KVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer would occur when the total loss is 400W 500 W 250 W 300 W 400W 500 W 250 W 300 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field? Slip speed Synchronous speed Zero None of these Slip speed Synchronous speed Zero None of these ANSWER DOWNLOAD EXAMIANS APP
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