Power Systems For which one of the following types of motors, is the equal area criterion for stability applicable? Three phase induction motor DC shunt motor Three phase synchronous motor DC series motor Three phase induction motor DC shunt motor Three phase synchronous motor DC series motor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Main bus bar protection scheme is /are none of these. both fault bus and differential protection. differential protection. fault bus protection. none of these. both fault bus and differential protection. differential protection. fault bus protection. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, All of these power loss increases interference increases charging current increases All of these power loss increases interference increases charging current increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.4 pu 0.1 pu 0.5 pu 0.2 pu 0.4 pu 0.1 pu 0.5 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have Heat exchangers. Reheating. All of above. Multistage compression. Heat exchangers. Reheating. All of above. Multistage compression. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu ANSWER DOWNLOAD EXAMIANS APP