Transformers Noise level test in a transformer is a special test type test None of these routine test special test type test None of these routine test ANSWER DOWNLOAD EXAMIANS APP
Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers In a step-down transformer, there is a change of 15 A in the load current. This results in change of supply current of None of these more than 15 A less than 15 A 15 A None of these more than 15 A less than 15 A 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers Losses which occur in rotating electric machines and do not occur in trans formers are copper losses friction and windage losses magnetic losses hysteresis and eddy current losses copper losses friction and windage losses magnetic losses hysteresis and eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers When load on a transformer is decreased, ______loss is decreased Copper Hysteresis Friction Eddy current Copper Hysteresis Friction Eddy current ANSWER DOWNLOAD EXAMIANS APP
Transformers The core type transformer provides _______ Much longer magnetic path Lesser average length per turn None of the listed here Shorter magnetic path Much longer magnetic path Lesser average length per turn None of the listed here Shorter magnetic path ANSWER DOWNLOAD EXAMIANS APP