Transformers Which of the following is not a part of transformer installation? Exciter Breather Conservator Buchholz relay Exciter Breather Conservator Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Transformers Open circuit test on transformers is conducted to determine core losses copper losses hysteresis losses eddy current losses core losses copper losses hysteresis losses eddy current losses 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 absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a 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 absorb the line surge voltage and save the winding of transformer from damage to reflect the line surge and save the winding of a transformer from damage None of these ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Shunt motor Induction motor Synchronous motor Air motor Shunt motor Induction motor Synchronous motor Air motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The permissible flux density in case of cold rolled grain oriented steel is around 3.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² 3.7 Wb/m² 2.7 Wb/m² 1.7 Wb/m² 4.7 Wb/m² ANSWER DOWNLOAD EXAMIANS APP
Transformers The output current corresponding to the maximum efficiency for a transformer having core loss of 200 W and equivalent resistance referred to secondary of 0.5 Ω is 5 A 15 A 10 A 20 A 5 A 15 A 10 A 20 A ANSWER DOWNLOAD EXAMIANS APP