A car engine with a power output of 110 hp has a thermal efficiency of 28 percent. Determine the rate of fuel consumption if the heating value of the fuel is 19,000 Btu/ lbm.

Q: A certain coal-fired power plant has a rated power capacity of P = 950 MW. The output of this plant…

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Q: An automobile engine converts heat into work via a cycle. The cycle must finish exactly where it…

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Q: In a steam generator, a 4.7 m3 of water enters at a velocity 15m/s , 750 kpa and Internal energy of…

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Q: A gasoline engine has a power output of 200 kW. Its thermal efficiency is 35.0%. (a) How much heat…

A: Power Output of engine, P=200kWThermal efficiency,η=35%=0.35

Q: A heat engine does 30 JJ of work per cycle while exhausting 30 JJ of waste heat. What is the…

A: Given in question - Work done per cycle (W) = 30 Joule                                   Heat…

Q: An electrical power station requires 1.1 × 1014 J of heat transfer into the engine and has an…

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Q: You perform maintenance on an engine, increasing its efficiency by 6.84 %.  How much more work is…

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Q: A gasoline engine takes in 1.61 * 10^4 Jof heat and delivers 3700 J of work per cycle. The heat is…

A: Let n denotes the frequency, w denotes the work done in each cycle, and P denotes the power output…

Q: In each cycle of its operation, a heat engine expels 2,900 J of energy and performs 1,600 J of…

A: energy expelled = 2900 J work done = 1600 J a) thermal energy that must be added to engine in each…

Q: How much heat transfer occurs to the environment by an electrical power station that uses 1251014 J…

A: efficiency of the machine= 100% heat provided = Qin= 1.25x1014 J heat transferred to the environment…

Q: In each cycle of its operation, a heat engine expels 5,900 J of energy and performs 1,700 J of…

A: The amount of heat released or expelled by the engine, Qreleased = 5900 J The amount of work done by…

Q: During a high fever, a 55.0 kg patient’s normal metabolism increases by 11.2%. This results in an…

A: Given that:m=55.0 kgMetabolism with fever is 11.2% greater. H=20.0 mAt normal, Qc=120 kJ

Q: An automobile engine consumes fuel at a rate of 26 L/s and delivers 65 kw of power to the wheels. If…

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Q: Converting sunlight to electricity with solar cells has an efficiency of ≈15,. It’s possible to…

A: The expression for the required efficiency is,

Q: Solar energy is used for air conditioning a house. To maintain a pressurized water tank at 443 K…

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Q: Suppose a heat engine is connected to two energy reservoirs, one a pool of molten aluminum (660°C)…

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Q: A gasoline engine takes in 1.61×104 J of heat and delivers 3700 J of work per cycle. The heat is…

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Q: 1. A coal-fired power plant produces 9.00 × 1013 J of electrical energy in one day, and operates…

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Q: The efficiency of a muscle during weight lifting is equal to the work done in lifting the weight…

A: efficiency of a muscle during weight lifting is equal to the work done in lifting the weight divided…

Q: 3000 J of heat are added of an ideal gas. Find the internal energy of the ideal gas if the work done…

A: Since work is done by gas, it's sign will be negative. W = -400J Since heat is given to the system,…

Q: You perform maintenance on an engine, increasing its efficiency by 9.86 %.  How much more work is…

A: Given:- The efficiency of the engine is increasing by 9.86 %. The heat input is 1367 J  Find:- How…

Q: If the plant operates at 50.0% of its maximum efficiency and its power output is 1.23 × 108 W, at…

A: The given data are: TH=540 KTL=313 KQH=1.23×108 W Here, TH is the higher temperature, TL is the…

Q: The internal energy of a system is initially 24 J. The system does 25 J of work. What is the…

A: Given data:  Initial internal energy (Ui) = 24 J Work done by the system (W) = 25 J Heat added to…

Q: An engine operates at 65.3% the maximum (Carnot) efficiency.  It has a cold reservoir at 547 K and a…

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Q: The initial temperature of 13 moles of an ideal gas is 358 K. 18000 J of heat are added to the gas…

A: It is given that on adding heat energy, gas gets expanded. It means that volume of gas gets…

Q: An engine operates at 66.8% the maximum (Carnot) efficiency.  It has a cold reservoir at 651 K and a…

A: Given, The engine operates at 66.8% the maximum (Carnot) efficiency cold reservoir temp T1=651 K hot…

Q: An electrical power plant is constructed to extract energy from the ocean. It utilizes warm water at…

A: Solution: Given: t1 = temperature of warm water = 30oC t2 = temperature of cold water = 4.1oC η1 =…

Q: An engine takes 9219 J and does 1715 J of work each cyle while operating between 690°C and 400°C.…

A: Given: The hot reservoir temperature is, Th=690°C=963.15 K. The cold reservoir temperature is,…

Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 108 J from the boiler…

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Q: If the net work is 89 kJ and the efficiency is 61% how much heat is added in the system? O 145.98 kJ…

A: When we are transferring energy or doing some work then all of the work does not go into the system.…

Q: A steam engine is operating at its theoretical maximum efficiency of 48%. If the waste heat has a…

A: Given data: The maximum efficiency is η=48% The temperature of the waste heat is T1=31°C+273=304 K…

Q: A certain coal-fired power plant has a rated power capacity of P = 850 MW. The output of this plant…

A: Given that :- Power capacity , P=850 MW  Output , W=0.26Q11

Q: A certain engine extracts 1300 Jof heat from a hot temperature reservoir and discharges 700 Jof…

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Q: Q1: A particular power plant operates with a heat-source reservoir at 370°C and a heat sink…

A: Given data, Temperature of the source = 3700C Temperature of the sink = 500C

Q: In performing 154.0 J of work, an engine exhausts 65.0 J of heat. What is the efficiency of the…

A: The given values are, W=154.0 JQL=65.0 J

Q: A car engine has an efficiency of 23% and produces an average mechanical work of 26 kJ/s during its…

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Q: Two engines operate between the same two temperatures of 787 K and 385 K, and have the same rate of…

A: Given, Power output of one engine, P1 = 23.0 kW efficiency of second engine, η2 = 42.0% Two engines…