Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Penstock. Spillways. Fore bay. Reservoir. Penstock. Spillways. Fore bay. Reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Impeller. Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. 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? 5 pu 5.353 pu 7 pu 3.535 pu 5 pu 5.353 pu 7 pu 3.535 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following power plants is free from environmental problem Steam. Hydroelectric. Nuclear. Diesel engine. Steam. Hydroelectric. Nuclear. Diesel engine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.4 2000 5 0.22 0.4 2000 5 0.22 ANSWER DOWNLOAD EXAMIANS APP
Power Systems If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. 0.09 + j 0.018 per Km. 0.01 + j 0.02 per Km. 0.018 per Km. None of them. ANSWER DOWNLOAD EXAMIANS APP