Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be 28 W. 25 W. 36 W. 30 W. 28 W. 25 W. 36 W. 30 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The dc motor which can provide zero speed regulation at full load without any controller, is shunt. cumulative compound. differential compound. series. shunt. cumulative compound. differential compound. series. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following winding is connected in series with armature winding of DC machine? Commutating pole winding. Both Compensating and Commutating pole winding. Auxiliary winding. Compensating winding. Commutating pole winding. Both Compensating and Commutating pole winding. Auxiliary winding. Compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is 145 Ω. 375 Ω. 225 Ω. 150 Ω. 145 Ω. 375 Ω. 225 Ω. 150 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in the dc generator armature winding is DC None of these AC and DC AC DC None of these AC and DC AC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne's test is applicable to DC Shunt motor. DC compound motor. DC shunt and level Compound motor. DC series motor. DC Shunt motor. DC compound motor. DC shunt and level Compound motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
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