Power Systems Condition for maximum voltage regulation cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is equal to the sending end voltage any of the above less than the sending end voltage more than the sending end voltage equal to the sending end voltage any of the above less than the sending end voltage more than the sending end voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 74.56 %. 78.96 %. 79.33 %. 80.25 %. 74.56 %. 78.96 %. 79.33 %. 80.25 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is 800 MW 1600 MW 200 MW 400 MW 800 MW 1600 MW 200 MW 400 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 18.18 kV 30.6 Kv 100 kV 36. 36 kV 18.18 kV 30.6 Kv 100 kV 36. 36 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.22 5 0.4 2000 0.22 5 0.4 2000 ANSWER DOWNLOAD EXAMIANS APP
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