Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Auto transformer Power transformer Potential transformer Current transformer Auto transformer Power transformer Potential transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The hum in a transformer is mainly attributed to mechanical vibrations load changes magnetostriction oil in the transformer mechanical vibrations load changes magnetostriction oil in the transformer ANSWER DOWNLOAD EXAMIANS APP
Transformers The highest voltage for transmitting electrical power in india is 66 kV 33 kV 132 kV 400 kV 66 kV 33 kV 132 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Transformers The principle of working of transformer is Static induction Mutual induction Self induction Dynamic induction Static induction Mutual induction Self induction Dynamic induction ANSWER DOWNLOAD EXAMIANS APP
Transformers The noise produced by a transformer is termed as buzz hum ringing zoom buzz hum ringing zoom 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. (Ns-l)s Ns (l-s)Ns s.N. (Ns-l)s Ns (l-s)Ns ANSWER DOWNLOAD EXAMIANS APP
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