engineering recuitment NCRTC Junior Engineer Mock Test Series 2025 Power Systems Generating Stations
A steam power station uses 2 kg of coal per kWh of electrical energy generated. What is the calorific value of coal if the overall efficiency of the plant is 20%?
1
4300 kcal/kg
2
8600 kcal/kg
3
2150 kcal/kg
4
1075 kcal/kg