Power Systems Which of the following is used in thermal plants Otto cycle All of these Joule cycle Rankine cycle Otto cycle All of these Joule cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Power Systems The inertia constant of 100 MVA, 50 Hz, 4 pole generator is 10 MJ/MVA. If the mechanical input to the machine is suddenly raised from 50 MW to 75 MW, the rotor acceleration will be equal to 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² 22.5 electrical degrees/s² 12.5 electrical degrees/s² 125 electrical degrees/s² 225 electrical degrees/s² ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 5 MW 20 MW 15 MW 10 MW 5 MW 20 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. 5th harmonic current. 2nd harmonic current. 7th harmonic current. 3rd harmonic current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 56 %. 14 %. 28 %. None of above 56 %. 14 %. 28 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems ACSR means Aluminium copper steel reinforced Aluminium conductor steel reinforced Aluminium core steel reinforced all conductor steel reinforced Aluminium copper steel reinforced Aluminium conductor steel reinforced Aluminium core steel reinforced all conductor steel reinforced ANSWER DOWNLOAD EXAMIANS APP
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