Electrical Machines In a transformer which of the following losses are zero? Rotational loss Copper loss Iron loss All of these Rotational loss Copper loss Iron loss All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? 1 any of the above 0.5 0 1 any of the above 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron loss in a transformer mainly occurs in steel core in transformer. winding of transformer. iron made tank of transformer. transformer insulating oil. steel core in transformer. winding of transformer. iron made tank of transformer. transformer insulating oil. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, find rms line voltage for delta connection? 230.2 V. 50 V. 100 V. 399 V. 230.2 V. 50 V. 100 V. 399 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 0 Hz 5 Hz 1 Hz 50 Hz 0 Hz 5 Hz 1 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
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