Transformers Which of the following property is not necessarily desirable in the material for transformer core? High permeability Low hysteresis loss High thermal conductivity Mechanical strength High permeability Low hysteresis loss High thermal conductivity Mechanical strength ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means interchanging two supply phases for quick stopping locking of rotor due to harmonics starting the motor on load which is more than the rated load pulling the motor directly on line without a starter interchanging two supply phases for quick stopping locking of rotor due to harmonics 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 Noise level test in a transformer is a special test None of these type test routine test special test None of these type test routine test ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum load that a power transformer can carry is limited by its copper loss temperature rise dielectric strength of oil voltage ratio copper loss temperature rise dielectric strength of oil voltage ratio ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer is an efficient device because it _______ Is a static device Uses electric coupling Uses capacitive coupling Uses inductive coupling Is a static device Uses electric coupling Uses capacitive coupling Uses inductive coupling ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Breather Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays ANSWER DOWNLOAD EXAMIANS APP
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