Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be (Ns-l)s (l-s)Ns Ns s.N. (Ns-l)s (l-s)Ns Ns s.N. ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil None of these through air by the flux through cooling coil None of these through air by the flux ANSWER DOWNLOAD EXAMIANS APP
Transformers Auto-transformer makes effective saving on copper and copper losses, when its transformation ratio is None of these less than one great than one approximately equal to one None of these less than one great than one approximately equal to one ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather Thermal overload relays Conservator ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Friction Hysteresis Copper Eddy current Friction Hysteresis Copper Eddy current ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a power transformer should always be fused open shorted switched fused open shorted switched ANSWER DOWNLOAD EXAMIANS APP
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