Transformers In a transformer routine efficiency depends upon Load current Both power factor and load current Supply frequency Power factor of load Load current Both power factor and load current Supply frequency Power factor of load ANSWER DOWNLOAD EXAMIANS APP
Transformers Burden of a current transformer is usually expressed in Amperes Kilowatt Volts Volt amperes Amperes Kilowatt Volts Volt amperes ANSWER DOWNLOAD EXAMIANS APP
Transformers In a transformer, leakage flux Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings Produces mutually induced emf Helps in transfer of energy Is negligible at full load Is minimised by interleaving the primary and secondary windings ANSWER DOWNLOAD EXAMIANS APP
Transformers A common method of colling a power transformer is Oil cooling Natural air cooling Air blast cooling Any of the listed here Oil cooling Natural air cooling Air blast cooling Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers In a power or distribution transformer about 10 per cent end turns are heavily insulated 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 to absorb the line surge voltage and save the winding of transformer from damage None of these 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 to absorb the line surge voltage and save the winding of transformer from damage None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns Does not work Has no losses and leakage reactance None of the listed here Has same number of primary and secondary turns ANSWER DOWNLOAD EXAMIANS APP
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