Transformers Which of the following protection is normally not provided on small distribution transformers? Overfluxing protection Buchholz relay Overcurrent protection All of these Overfluxing protection Buchholz relay Overcurrent protection All of these ANSWER DOWNLOAD EXAMIANS APP
Transformers To step 110 V ac down to 20 V ac, the turns ratio must be 5.5 18 0.018 0.18 5.5 18 0.018 0.18 ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test on transformers is conducted to determine eddy current losses copper losses hysteresis losses core losses eddy current losses copper losses hysteresis losses core losses ANSWER DOWNLOAD EXAMIANS APP
Transformers The maximum flux produced in the core of a transformer is ______ Directly proportional to supply frequency Inversely proportional to primary voltage None of the listed here Inversely proportional to supply frequency Directly proportional to supply frequency Inversely proportional to primary voltage None of the listed here Inversely proportional to supply frequency ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means 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 interchanging two supply phases for quick stopping ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Full load cu loss Iron loss None of the listed here Cu loss at no load Full load cu loss Iron loss None of the listed here Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
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