Power Systems Which of the following is/are the desirable properties of a insulator material? High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates the maximum and minimum run off during the period. the average run off during the period. the discharge at any time during the period under consideration. All of these the maximum and minimum run off during the period. the average run off during the period. the discharge at any time during the period under consideration. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as All of these stray wire. structural components. earth wire. All of these stray wire. structural components. earth wire. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7268.45 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix? 90 9000 1000 10 90 9000 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line No need of same frequency for exchange of power both 1 and 2 Asynchronous line Synchronous line No need of same frequency for exchange of power both 1 and 2 Asynchronous line ANSWER DOWNLOAD EXAMIANS APP
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