Power Systems The specific speed ( NS ) of turbine is given by none of these. N√( P ) / H2/3. P√( N ) / H3/2. N√( P ) / H1.25. none of these. N√( P ) / H2/3. P√( N ) / H3/2. N√( P ) / H1.25. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? None of these long transmission lines only short transmission lines only medium transmission lines only None of these long transmission lines only short transmission lines only medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are All of these operating time is minimum used as load frequency control most economical as a peak load supply plant All of these operating time is minimum used as load frequency control most economical as a peak load supply plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Hydroelectric plant. Steam plant. Nuclear plant. Diesel plant. Hydroelectric plant. Steam plant. Nuclear plant. Diesel plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of re-striking voltage is dependent upon resistance of the system only inductance of the system only both 1 and 2 capacitance of the system only resistance of the system only inductance of the system only both 1 and 2 capacitance of the system only 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 52 Ω 33 Ω 40 Ω 28 Ω 52 Ω 33 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
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