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 5 2 8 6 5 2 8 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 5 MW 15 MW 20 MW 10 MW 5 MW 15 MW 20 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using HP steam. direct heat in the furnace. flue gas. LP steam. HP steam. direct heat in the furnace. flue gas. LP steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The rate of rise of restricting voltage depends upon the Inductance of the system. Inductance and capacitance of the system. Capacitance of the system. Type of CB. Inductance of the system. Inductance and capacitance of the system. Capacitance of the system. Type of CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a 500 Hz frequency excitation, a 100 km long power line will be modelled as any of the above medium transmission line long transmission line shunt capacitor any of the above medium transmission line long transmission line shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
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