A diesel power plant has a super charge engine capacity of 128.15 KW, with 83.5% gen. efficiency, what is the engine capacity of the diesel engine?
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A diesel power plant has a super charge engine
capacity of 128.15 KW, with 83.5% gen. efficiency,
what is the engine capacity of the diesel engine?
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Solved in 2 steps
- please answer the following As a gasoline engine is running, an amount of gasoline containing 12,000 J of chemical potential energy is burned in 1 s. During that second, the engine does 4,000 J of work. What is the engine's efficiency (in percent)? The burning gasoline has a temperature of about 4,300°F (2,600 K). The waste heat from the engine flows into air at about 88°F (304 K). What is the Carnot efficiency (in percent) of a heat engine operating between these two temperatures?10. A gasoline engine has a compression ratio of 6.00 and uses a gas for which ? = 1.40. What is the efficiency if it is operated in an idealized Otto cycle?A heat pump removes 2060 J of heat from the outdoors and delivers 3060 J of heat to the inside of a house. (a) How much work does the heat pump need?(b) What is the coefficient of performance of the heat pump?
- An engine with an efficiency of 0.34 absorbs 55 J from a heat reservoir in each cycle. If it undergoes 221 cycles per minute, what is the power output in watts?A Carnot engine takes in heat from a reservoir at 460°C and releases heat to a lower-temperature reservoir at 140°C. What is its efficiency? %=Efficiency of reversible engine is maximum. Why?
- A heat pump has a coefficient of performance 3.0. How much heat is exhausted to the hot reservoir when 300 kJ of heat are removed from the cold reservoir?Consider an engine with efficiency of 25%. How much must the temperature of the hot reservoir increase, so that the efficiency increases to 50%. The temperature of the cold reservoir remains at 5oCThe power output of a car engine running at 2300 rpmrpm is 300 kW . (a) How much work is done per cycle if the engine's thermal efficiency is 40.0 %?Give your answer in kJ. Win =7.83kJ (b)How much heat is exhausted per cycle if the engine's thermal efficiency is 40.0 %?Give your answer in kJ.
- A refrigerator takes in 20 J of work and exhausts 50 J of heat. What is the refrigerator’s coefficient of performance?An engine does 3250 J of work and discards 5750 J of heat. Find the efficiency of this engine. Show the solution. Answer: E = 36.1% Max efficiency = 36.1% Actual efficiency = 37%Calculate the maximum theoretical efficiency of a heat engine that operates with the hot steam temperature at 390 °C and the cool steam temperature at 230°C. Please give your answer in two decimals, NOT percentage. For example, efficiency of 0.62. Your Answer: Answer