Power Systems The modern trend in electric power generation to have large number of small size thermal plants located at different places. none of above. to have large size thermal plants near load centre. to have large size thermal plant located near coal fields. to have large number of small size thermal plants located at different places. none of above. to have large size thermal plants near load centre. to have large size thermal plant located near coal fields. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant None of above. Francis. Kaplan. Pelton. None of above. Francis. Kaplan. Pelton. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 28 Ω 40 Ω 33 Ω 52 Ω 28 Ω 40 Ω 33 Ω 52 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. If the uncompensated transmission line surge impedance is Zs, then find the new surge impedance Zn after shunt compensation? All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) All of these Zs/√(1 + Kcsh) √(1 + Kcsh)/Zs Zs*√(1 + Kcsh) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following is a medium and low head turbines Kaplan and Francis turbines. Francis and Kaplan turbines. Pelton and Kaplan turbines. None of above. Kaplan and Francis turbines. Francis and Kaplan turbines. Pelton and Kaplan turbines. None of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with 7th harmonic current. 3rd harmonic current. 2nd harmonic current. 5th harmonic current. 7th harmonic current. 3rd harmonic current. 2nd harmonic current. 5th harmonic current. ANSWER DOWNLOAD EXAMIANS APP
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