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 7166.67 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. 7166.67 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7268.45 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? Both power and telecommunication lines either 1 or 2 None of these Power line Both power and telecommunication lines either 1 or 2 None of these Power line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in improved voltage regulation reduction of KVA rating of distribution transformers All of these reduction in distribution power loss improved voltage regulation reduction of KVA rating of distribution transformers All of these reduction in distribution power loss ANSWER DOWNLOAD EXAMIANS APP
Power Systems If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is 1500 MW 1000 MW 1250 MW 750 MW 1500 MW 1000 MW 1250 MW 750 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? squirrel cage rotor salient pole rotor cylindrical rotor either of these squirrel cage rotor salient pole rotor cylindrical rotor either of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zs/(Zs + Zl) 2Zl/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
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