A heat engine has a total heat input of 1.3 kJ and a thermal efficiency of 35 percent. The work produced by the cycle in kJ is closest to O 3.714 O 0.455 O 0.95 O 1.65
QUESTION 2
A steam power plant produces 600 MW and has a thermal efficiency of 40 percent. The plant is cooled by transferring heat to a nearby river. The rate of heat transfer to the river water in MW is closest to O 1500 O 900 O 600 O None of the above
QUESTION 3
A heat engine operates between a source at 427°C and a sink at 27°C. The maximum possible % efficiency for this heat engine is closest to O 57.1 O 93.7 O 6.3 O None of the above
QUESTION 4
A Carnot engine operates between a source at 477°C and a sink at 25°C. If heat is supplied to the heat engine at a steady rate of 65,000 kJ/min, the power output of this engine in kW is closest to O 1026.5 O 477 O None of the above O 653