Transformers A transformer will have zero efficiency at Full load Half full load No load None of the listed here Full load Half full load No load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only capacitive only None of these inductive or resistive inductive only capacitive only None of these inductive or resistive ANSWER DOWNLOAD EXAMIANS APP
Transformers Short circuit test of a transformer helps us to find its Iron loss Full load cu loss None of the listed here Cu loss at no load Iron loss Full load cu loss None of the listed here Cu loss at no load ANSWER DOWNLOAD EXAMIANS APP
Transformers In case of 3-phase induction motors, plugging means interchanging two supply phases for quick stopping pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics interchanging two supply phases for quick stopping pulling the motor directly on line without a starter starting the motor on load which is more than the rated load locking of rotor due to harmonics ANSWER DOWNLOAD EXAMIANS APP
Transformers Cores of large transformers are built upto nearly circular cross section in order to reduce Copper loss Iron losses Eddy current loss Leakage reactance Copper loss Iron losses Eddy current loss Leakage reactance ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following protection is normally not provided on small distribution transformers? Buchholz relay Overfluxing protection Overcurrent protection All of these Buchholz relay Overfluxing protection Overcurrent protection All of these ANSWER DOWNLOAD EXAMIANS APP