Power Systems On what factors does the selection of a water turbine depend Working head. Speed. All of above. Nature of load. Working head. Speed. All of above. Nature of load. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? By increasing of temperature, both 1 and 2 neither 1 nor 2 sag increase tension decrease both 1 and 2 neither 1 nor 2 sag increase tension decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz -0.52 Hz 0.48 Hz 0.52 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? All of these memory required is less calculation time is less only one equation is required All of these memory required is less calculation time is less only one equation is required ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of long lines. medium lines. none of these. short lines. long lines. medium lines. none of these. short lines. ANSWER DOWNLOAD EXAMIANS APP
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