Power Systems Two identical synchronous machines having same inertia constant are connected in parallel and swinging together. The effective inertia constant is 4 MJ/MVA. Then each machine has inertia constant of 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 16 MJ/MVA 8 MJ/MVA 4 MJ/MVA 2 MJ/MVA 16 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Unit matrix Z bus matrix Y bus matrix null matrix Unit matrix Z bus matrix Y bus matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Tidal power plant is a example of which of the following plant? base load plant peak load plant None of these either 1 or 2 base load plant peak load plant None of these either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency 30.7 %. 40 %. 40.85 %. 30.26 %. 30.7 %. 40 %. 40.85 %. 30.26 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission lines are transposed to reduce skin effect proximity effect interference with neighbouring communication lines ferranti effect skin effect proximity effect interference with neighbouring communication lines ferranti effect ANSWER DOWNLOAD EXAMIANS APP
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