Transformers In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be Ns (l-s)Ns s.N. (Ns-l)s Ns (l-s)Ns s.N. (Ns-l)s ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer oil must be free from Sludge Moisture Odour Gases Sludge Moisture Odour Gases ANSWER DOWNLOAD EXAMIANS APP
Transformers Sumpner's test is conducted on transformer to determine Stray losses All day efficiency None of the listed here Temperature Stray losses All day efficiency None of the listed here Temperature ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load primary current is about ______of full load primary current. 15-30% 3-5% Above 40% 30-40% 15-30% 3-5% Above 40% 30-40% ANSWER DOWNLOAD EXAMIANS APP
Transformers The iron core is used to ______of the transformer. Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here Reduce core loss Provide tight magnetic coupling Increase the wight None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Main flux device Voltage device Power device Current device Main flux device Voltage device Power device Current device ANSWER DOWNLOAD EXAMIANS APP
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