Electrical Machines Hunting in a synchronous motor takes place when load varies. motor is under loaded. when power factor is unity. when supply voltage fluctuates. when load varies. motor is under loaded. when power factor is unity. when supply voltage fluctuates. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 2 KVA transformer has iron loss of 150 W and full load copper loss of 250 W. The maximum efficiency of the transformer would occur when the total loss is 300 W 500 W 400W 250 W 300 W 500 W 400W 250 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Gross power. Power drawn in KVA. Power drawn in KW. Output power at the shaft. Gross power. Power drawn in KVA. Power drawn in KW. Output power at the shaft. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statement is correct, if short circuit ratio is high? None of these High voltage regulation Low short circuit current Good voltage regulation None of these High voltage regulation Low short circuit current Good voltage regulation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux increases. remains constant. decreases. decreases increases. remains constant. decreases. decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 0KVA 20KVA 16KVA 4KVA 0KVA 20KVA 16KVA 4KVA ANSWER DOWNLOAD EXAMIANS APP
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