A Carnot heat engine has a thermal efficiency of 0.600, and the temperature of its hot reservoir is 800 K. If 3000 J of heat is rejected to the cold reservoir in one cycle, what is the work output of the engine during one cycle?
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- A certain heat engine does 9.5 kJ of work and 8.00 kJ heat transfer occurs to the environment in a cyclical process. (a) What was the heat transfer (in kJ) into this engine? kJ (b) What was the engine's efficiency (in percent)? %A particular power plant operates with a heat-source reservoir at 350°C and a heatsink reservoir at 30°C. It has a thermal efficiency equal to 55% of the Carnot-engine thermal efficiency for the same temperatures. What is the thermal efficiency of the plant? To what temperature must the heat-source reservoir be raised to increase the thermal efficiency of the plant to 35%? Again, η is 55% of the Carnot-engine valueA heat engine uses a heat source at 530 ∘C and has an ideal (Carnot) efficiency of 28 % . To increase the ideal efficiency to 43 % , what must be the temperature of the heat source?
- A heat engine is being designed to have a Carnot efficiency of 60% when operating between two heat reservoirs. (a) If the temperature of the cold reservoir is 20°C, what must be the temperature of the hot reservoir? °C (b) Can the actual efficiency of the engine be equal to 60%? O Yes O No Explain your answer.A Carnot heat engine operates between reservoirs at 176 °C and 0°C. If the engine extracts 20 J of energy from the hot reservoir per cycle, how many cycles will it take to lift a 10 kg mass a height of 10 m?What is the Carnot efficiency (in percent) of a heat engine operating between the temperatures of 360°C (633 K) and 200°C (473 K)?
- Suppose a heat engine design makes a square on a PV diagram, using a monatomic gas. The high pressure is 3P and low pressure is P. The high volume is 3V and low volume is V. What is the efficiency of the heat engine?Question 6. in one cycle, a heat engine does 700J of work and releases 1450 J of heat to a lower-temperature reservoir. What is the efficiency of this engine, in percent?In each cycle of its operation, a heat engine expels 2 400 J of energy and performs 1 800 J of mechanical work. (a) How much thermal energy must be added to the engine in each cycle? (b) Find the thermal efficiency of the engine.