Power Systems Which of the following is/are the desirable properties of a insulator material? High ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 Low ratio of puncture strength to flash over. High ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 Low ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 7500 kW 6000 kW 3000 kW 3750 kW 7500 kW 6000 kW 3000 kW 3750 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. the Rankine cycle. regenerative cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. the Rankine cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Proximity effect is more in case of same in both cases None of these over head lines power cables same in both cases None of these over head lines power cables ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following statement are false In nuclear power plants, chain reaction is controlled by cadmium rods. In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. A thermal reactor needs a moderator material. In nuclear power plants, chain reaction is controlled by cadmium rods. In a nuclear reactor, multiplication factor is kept almost equal to one. Nuclear power plants are used as peak load plants only. A thermal reactor needs a moderator material. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. adjustable back up stop. air gap of magnetic path. none of these. no. of ampere-turns. ANSWER DOWNLOAD EXAMIANS APP
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