Electrical Machines Which of the following statement is correct, if short circuit ratio is high? Low short circuit current High voltage regulation Good voltage regulation None of these Low short circuit current High voltage regulation Good voltage regulation None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Oil is provided in an oil filled transformer for cooling. insulating. lubrication. both cooling and insulation. cooling. insulating. lubrication. both cooling and insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ratio of starting torque to full load torque is minimum in Cumulative compound motor. Shunt motor. Differential compound motor. Series motor. Cumulative compound motor. Shunt motor. Differential compound motor. Series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be 540 rpm. 450 rpm. 240 rpm. 470 rpm. 540 rpm. 450 rpm. 240 rpm. 470 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If starting current of a 3 - Φ induction motor is 5 times the rated current, while rated slip is 4 %, then ratio of starting torque to full load torque is 0.6. 0.8. 0.4. 1. 0.6. 0.8. 0.4. 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is shunt connected. cumulatively compounded. deferentially compounded. series connected. shunt connected. cumulatively compounded. deferentially compounded. series connected. ANSWER DOWNLOAD EXAMIANS APP
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