Power Systems In thermal power stations, economiser will reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 12 kV. Up to 33 kV. Up to 66 kV. Up to 11 kV. Up to 12 kV. Up to 33 kV. Up to 66 kV. Up to 11 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as proximity effect All of these skin effect carona proximity effect All of these skin effect carona ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To improve the efficiency of thermal power plant ________________ is placed between boiler and turbine. air preheater. economizer. superheater. ash handling point. air preheater. economizer. superheater. ash handling point. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 10 1000 0.001 0.1 10 1000 0.001 ANSWER DOWNLOAD EXAMIANS APP
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