Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.25. 0.44. 1.3. 0.83. 0.25. 0.44. 1.3. 0.83. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. ground star / delta. star / grounded star. delta / star. delta / delta. ground star / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of long transmission lines only All of these medium transmission lines only short transmission lines only long transmission lines only All of these medium transmission lines only short 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 30 MW 720 MW 50 MW 72 MW 30 MW 720 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Percentage of carbon is highest in lignite coal. anthracite coal. coal gas. bituminous coal. lignite coal. anthracite coal. coal gas. bituminous coal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP