Power Systems Mho relay is usually employed for protection of medium transmission lines only short transmission lines only any line long transmission lines only medium transmission lines only short transmission lines only any line long transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems Galvanised steel is generally used as stray wire. earth wire. structural components. All of these stray wire. earth wire. structural components. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Increase but does not doubled. Decrease but does not halves. Halves. Doubled. Increase but does not doubled. Decrease but does not halves. Halves. Doubled. 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? 72 MW 720 MW 50 MW 30 MW 72 MW 720 MW 50 MW 30 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 135.3 MWhr 130.2 MWhr 140 MWhr 120 MWhr 135.3 MWhr 130.2 MWhr 140 MWhr 120 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers reduces the short circuit current. improves system stability. increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. decrease system stability. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS