Transformers Power transformers are generally designed to have maximum efficiency around half-load near full-load no-load 10% overload half-load near full-load no-load 10% overload ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer the energy is conveyed from primary to secondary through cooling coil by the flux through air None of these through cooling coil by the flux through air None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ High voltage winding Low voltage winding Either high or low voltage winding None of the listed here High voltage winding Low voltage winding Either high or low voltage winding None of the listed here 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 The approximate efficiency of a large transformer is 65% 50% 80% 95% 65% 50% 80% 95% ANSWER DOWNLOAD EXAMIANS APP
Transformers How many primary volts must be applied to a transformer with a turns ratio of 0.1 to obtain a secondary voltage of 9 V? 90 V 900 V 0.9 V 9 V 90 V 900 V 0.9 V 9 V ANSWER DOWNLOAD EXAMIANS APP
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