Power Systems Mho relays are used for the protection of which of the following lines? medium transmission lines only None of these short transmission lines only long transmission lines only medium transmission lines only None of these short transmission lines only long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems The daily energy produced in thermal power station is 720 MWh at a load factor of 0.6. What is the maximum demand of the station? 50 MW 72 MW 720 MW 30 MW 50 MW 72 MW 720 MW 30 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 74.56 %. 80.25 %. 78.96 %. 79.33 %. 74.56 %. 80.25 %. 78.96 %. 79.33 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase? 1 0.93 1.13 0.882 1 0.93 1.13 0.882 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? any of the above Temperature Over load Short circuit any of the above Temperature Over load Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following will take least time in starting from cold condition to full load operation Hydro electric power plant. Gas turbine plant. Nuclear power plant. Thermal power plant. Hydro electric power plant. Gas turbine plant. Nuclear power plant. Thermal power plant. ANSWER DOWNLOAD EXAMIANS APP
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