Transformers Power transformers are generally designed to have maximum efficiency around 10% overload near full-load no-load half-load 10% overload near full-load no-load half-load ANSWER DOWNLOAD EXAMIANS APP
Transformers The power transformer is a constant Voltage device Power device Main flux device Current device Voltage device Power device Main flux device Current device ANSWER DOWNLOAD EXAMIANS APP
Transformers Which motor is preferred for use in mines where explosive gases exist? Induction motor Shunt motor Synchronous motor Air motor Induction motor Shunt motor Synchronous motor Air motor ANSWER DOWNLOAD EXAMIANS APP
Transformers The primary winding of a transformer has 110 V ac across it. What is the secondary voltage if the turns ratio is 8? 88 V 8.8 V 880 V 8,800 V 88 V 8.8 V 880 V 8,800 V ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same number of turns on the secondary side. same kVA rating same efficiency same polarity same number of turns on the secondary side. same kVA rating same efficiency same polarity ANSWER DOWNLOAD EXAMIANS APP
Transformers The temperature rise of transformer is directly proportional to _______ Apparent power None of the listed here Leakage reactance Reactive power Apparent power None of the listed here Leakage reactance Reactive power ANSWER DOWNLOAD EXAMIANS APP
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