Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 400 MVA 100 MVA 125 MVA 500 MVA 400 MVA 100 MVA 125 MVA 500 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 50 MJ 400 MJ 200 MJ 8 MJ 50 MJ 400 MJ 200 MJ 8 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Hydro Power Plant Gas-turbine. Thermal. Nuclear. Hydro Power Plant Gas-turbine. Thermal. Nuclear. 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 40 Ω 33 Ω 28 Ω 52 Ω 40 Ω 33 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 8 4 2 5 8 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the function of economiser in steam boilers cooling All of these collect ash particals improving thermal efficiency cooling All of these collect ash particals improving thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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