Transformers Burden of a current transformer is usually expressed in Kilowatt Volt amperes Volts Amperes Kilowatt Volt amperes Volts Amperes 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 more than 15 A None of these 15 A less than 15 A more than 15 A None of these 15 A less than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Eddy current loss Iron losses Copper loss Leakage reactance Eddy current loss Iron losses Copper loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The power efficiency of a lightning transformer is always ______its all day efficiency. None of the listed here Higher than Equal to Less than None of the listed here Higher than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural air cooling is generally restricted for transformers up to 15 MVA 5 MVA 50 MVA 1.5 MVA 15 MVA 5 MVA 50 MVA 1.5 MVA 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 Conservator Thermal overload relays Horn gaps Breather Conservator Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP