Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 60-70% 45-55% 20-25% 30-40% 60-70% 45-55% 20-25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend All of above. Nature of load. Working head. Speed. All of above. Nature of load. Working head. Speed. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The presence of earth in case of overhead lines increase inductance increase capacitance decrease capacitance decrease inducatance increase inductance increase capacitance decrease capacitance decrease inducatance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over fluxing relay Differential relay Buchholz relay Over current relay Over fluxing relay Differential relay Buchholz relay Over current relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Inductance of transmission line will decrease when GMD decrease and GMR increase both GMD and GMR increase both GMD and GMR decrease GMD increase and GMR decrease GMD decrease and GMR increase both GMD and GMR increase both GMD and GMR decrease GMD increase and GMR decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 6 8 2 5 6 8 2 5 ANSWER DOWNLOAD EXAMIANS APP
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