Power Systems Mho relay is used for protection of none of these. short lines. long lines. medium lines. none of these. short lines. long lines. medium lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 85.5 95.5 105.2 102.5 85.5 95.5 105.2 102.5 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 10. 5. un changed. 1. 10. 5. un changed. 1. ANSWER DOWNLOAD EXAMIANS APP
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 16 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA 16 MJ/MVA 2 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of 100 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of 100/3 ohm. A resistance of j100/3 ohm. A resistance of j300 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bonding is done at the both ends of the cable to reduce the iron loss copper loss sheath loss None of these iron loss copper loss sheath loss None of these ANSWER DOWNLOAD EXAMIANS APP