Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 210 Ω 420 Ω 400 Ω 840 Ω 210 Ω 420 Ω 400 Ω 840 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems Nuclear reactors usually employ both of A and B. none of above. fission. fusion. both of A and B. none of above. fission. fusion. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mercury is choice with steam in binary vapor cycle because all of above. higher saturation temperature than other fluids. relative low vaporization pressure. higher critical temperature and pressure. all of above. higher saturation temperature than other fluids. relative low vaporization pressure. higher critical temperature and pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of All of these long transmission lines only medium transmission lines only short transmission lines only All of these long transmission lines only medium transmission lines only short transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems For flat voltage profile system, voltage regulation is 50% any of the above 0% 100% 50% any of the above 0% 100% ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 7. 3. 20. 5. 7. 3. 20. 5. ANSWER DOWNLOAD EXAMIANS APP