Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be Ns (Ns-l)s s.N. (l-s)Ns Ns (Ns-l)s s.N. (l-s)Ns ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power Leakage reactance None of the listed here Reactive power Apparent power Leakage reactance None of the listed here Reactive power ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformers to determine temperature None of these stray losses all-day efficiency temperature None of these stray losses all-day efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Power device Main flux device Voltage device Current device Power device Main flux device Voltage device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 5 A 20 A 10 A 15 A 5 A 20 A 10 A 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency Inversely proportional to primary voltage None of the listed here Directly proportional to supply frequency Inversely proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
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