Transformers Power transformers are generally designed to have maximum efficiency around half-load 10% overload no-load near full-load half-load 10% overload no-load near full-load ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following insulating materials can withstand the highest temperature safely? Cellulose Mica Asbestos Glass fibre Cellulose Mica Asbestos Glass fibre ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power None of the listed here Reactive power Leakage reactance Apparent power None of the listed here Reactive power Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated None of these to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to reflect the line surge and save the winding of a transformer from damage None of these to absorb the line surge voltage and save the winding of transformer from damage to withstand the high voltage drop due to line surge produced by the shunting capacitance of the end turns to reflect the line surge and save the winding of a transformer from damage ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine core losses hysteresis losses copper losses eddy current losses core losses hysteresis losses copper losses eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Current device Power device Main flux device Voltage device Current device Power device Main flux device Voltage device ANSWER DOWNLOAD EXAMIANS APP
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