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 Which of the following power plants needs highly skilled/qualified engineers for its operation Thermal. Nuclear. Gas-turbine. Hydro Power Plant Thermal. Nuclear. Gas-turbine. Hydro Power Plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems In an induction relay for a particular current setting the operating time 4 sec. When the time multiplier setting is 0.8 if the time multiplier setting is rest to 1 the operating time is 5. un changed. 10. 1. 5. un changed. 10. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal power station needs space less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by the diesel power station of same output. less than that required by atomic power station of the same output. less than that required by hydro-power station of same capacity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Δ-Δ connection Δ-Y connection Y-Y connection Y-Δ connection Δ-Δ connection Δ-Y connection Y-Y connection Y-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems For distortion less line which of following relation are true R/L = C/G. R = O, G = O. R/L = G/C. None of above. R/L = C/G. R = O, G = O. R/L = G/C. None of above. ANSWER DOWNLOAD EXAMIANS APP
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