Power Systems Which of the following power stations is mainly used to cover peak load on the system? pumped storage hydro power plant gas based thermal power plant nuclear plant coal based thermal power plant pumped storage hydro power plant gas based thermal power plant nuclear plant coal based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Proportional to load and characteristic impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Proportional to load and characteristic impedance. 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. flue gas. LP steam. direct heat in the furnace. HP steam. flue gas. LP steam. direct heat in the furnace. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation resistance of the 20 km long underground cable is 8 MΩ. Other things being same, the insulation resistance of 10 km long cable will be 4 MΩ 8 MΩ 16 MΩ 32 MΩ 4 MΩ 8 MΩ 16 MΩ 32 MΩ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The charging current of a 400 kV line is more than that of a 220 kV line of the same length? False None of these either 1 or 2 True False None of these either 1 or 2 True ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.25 0.89 1.13 1 1.25 0.89 1.13 ANSWER DOWNLOAD EXAMIANS APP
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