Power Systems A thermal power station needs space 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 a gas turbine power plant of same output. less than that required by hydro-power station of same capacity. 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 a gas turbine power plant of same output. less than that required by hydro-power station of same capacity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (1 + j2 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for the protection of no length criterion. short length lines. long transmission lines. medium length lines. no length criterion. short length lines. long transmission lines. medium length lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.60 0.0060 0.0030 0.30 0.60 0.0060 0.0030 0.30 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effective is more in case of communication lines same in both cases None of these power lines communication lines same in both cases None of these power lines ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS