Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 5 pu 2 and 2 pu 3 and 1 pu 1 and 3 pu 2 and 5 pu 2 and 2 pu 3 and 1 pu 1 and 3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine any of the above impulsive axial flow inward radial flow any of the above impulsive axial flow inward radial flow ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following transmission line is most practically used in load flow analysis? either 1 or 2 nether 1 nor 2 Nominal T Nominal ∏ either 1 or 2 nether 1 nor 2 Nominal T Nominal ∏ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 10 - 15 %. 15 - 20 %. 20 - 25 %. 0.5 - 1.5 %. 10 - 15 %. 15 - 20 %. 20 - 25 %. 0.5 - 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 3-phase transmission line, each phase is supported by 3 insulated discs, maximum voltage of each disc is 20 kV. Find the operating voltage of the transmission line per phase if efficiency of string is 80.6%. 52.84 kV 48.36 kV 83.76 kV 20 kV 52.84 kV 48.36 kV 83.76 kV 20 kV 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? 3.535 pu 5.353 pu 5 pu 7 pu 3.535 pu 5.353 pu 5 pu 7 pu ANSWER DOWNLOAD EXAMIANS APP
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