Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 250 kW 500 kW 750 kW 300 kW 250 kW 500 kW 750 kW 300 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Buchholz relay Over current relay Differential relay Over fluxing relay Buchholz relay Over current relay Differential relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) 2Zs/(Zs + Zl) (Zl - Zs)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of bus bar. alternator. none of these. transformer. bus bar. alternator. none of these. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant load factor of the steam plant is increased the operating cost of the steam plant become optimum All of these chances of the tripping of the system decrease load factor of the steam plant is increased the operating cost of the steam plant become optimum All of these chances of the tripping of the system decrease ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 0.2 pu 0.5 pu 4 pu 2 pu 0.2 pu 0.5 pu 4 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
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