Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Conservator Horn gaps Breather Thermal overload relays Conservator Horn gaps Breather Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP
Transformers An ideal transformer is one which _______ Does not work Has same number of primary and secondary turns None of the listed here Has no losses and leakage reactance Does not work Has same number of primary and secondary turns None of the listed here Has no losses and leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers The efficiencies of transformers compared with that of electric motors of the same power are much higher about the same somewhat smaller much smaller much higher about the same somewhat smaller much smaller 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 open circuit test on a transformer gives _______ Iron losses Copper losses Total losses Friction losses Iron losses Copper losses Total losses Friction losses ANSWER DOWNLOAD EXAMIANS APP
Transformers Which type of winding is used in 3phase shell-type transformer? Rectangular type Circular type Cylindrical type Sandwich type Rectangular type Circular type Cylindrical type Sandwich type ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS