Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7562 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor 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 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. Water. Air. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Electrostatic precipitators in thermal power plants are used for removal of ash from flue gas control flow rate All of these remove moisture from the cole removal of ash from flue gas control flow rate All of these remove moisture from the cole ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 0.4 100, 10 4, 10 100, 0.4 4, 0.4 100, 10 4, 10 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
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