Power Systems Where the voltage is high and current to be interrupted is low, Which of following the breaker is preferable? Oil CB. Vacuum CB. Any of these. Air blast CB. Oil CB. Vacuum CB. Any of these. Air blast CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only long transmission lines only short transmission lines only None of these medium transmission lines only long transmission lines only short transmission lines only None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from short circuits protection of equipment from open circuits All of these protection of equipment from external lightning protection of equipment from short circuits protection of equipment from open circuits All of these protection of equipment from external lightning ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 200 - 205 mm. 40 mm. 300 mm. 20 - 25 mm. 200 - 205 mm. 40 mm. 300 mm. 20 - 25 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? Critical length of breaking. Breaking speed. None of these. Both A and C. Critical length of breaking. Breaking speed. None of these. Both A and C. 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 Francis. Kaplan. Pelton. Impeller. Francis. Kaplan. Pelton. Impeller. ANSWER DOWNLOAD EXAMIANS APP
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