Transformers Which of the following transformer is smallest? 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 400 Hz 2kVA, 500 Hz 2kVA, 200 Hz 2kVA, 50 Hz 2kVA, 400 Hz 2kVA, 500 Hz 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 less than 15 A None of these 15 A more than 15 A less than 15 A None of these 15 A more than 15 A ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following is not a fitting on a transformer? Commutator Conservator Breather Buchholz's relay Commutator Conservator Breather Buchholz's relay ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means locking of rotor due to harmonics interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load pulling the motor directly on line without a starter locking of rotor due to harmonics interchanging two supply phases for quick stopping starting the motor on load which is more than the rated load pulling the motor directly on line without a starter ANSWER DOWNLOAD EXAMIANS APP
Transformers We can find _______of the transformer with open circuit test. Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance Turn ratio Copper losses Total equivalent resistance Total equivalent leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 500 kVA 250 kVA 1000 kVA 3000 kVA 500 kVA 250 kVA 1000 kVA 3000 kVA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS