Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity Low ratio of puncture strength to flash over. Both 1 and 2 High ratio of puncture strength to flash over. High relative permittivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant? 20 MW 5 MW 15 MW 10 MW 20 MW 5 MW 15 MW 10 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems High capacity generators and motors are of star connected with grounding network star connected network any of the above delta connected network star connected with grounding network star connected network any of the above delta connected network ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generating station which has a high investment cost and low operating cost is usually operated as a Minimum load station. Peak load station. None of above. Base load station. Minimum load station. Peak load station. None of above. Base load station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Both A and B. Does not require daily charging. It is expensive. Installed at points of transmission line where daily visit is difficult. Both A and B. Does not require daily charging. It is expensive. Installed at points of transmission line where daily visit is difficult. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is Pelton. Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. ANSWER DOWNLOAD EXAMIANS APP
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