A heat engine receives heat from a heat source at 1200°C and has a thermal efficiency of 40 percent. The heat engine does maximum work equal to 500 kJ. Determine the heat supplied to the heat engine by the heat source, the heat rejected to the heat sink, and the temperature of the heat sink.

Q: During a cyclic process, a heat engine absorbs 550 J of heat from a hot reservoir, does work and…

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Q: A heat pump is used to heat a building. The external temperature is less than the internal…

A: The equation for the coefficient of performance of a heat pump is given by,

Q: "A heat engine accepts 200 J of heat from a hot reservoir, does work, and releases 160 J to a cold…

A: Given  Heat taken Q1 = 200 J  Heat given to sink Q2 = 169 J

Q: The efficiency of a Carnot heat engine is 25%. It takes 4000 J of heat input. What is the heat…

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Q: What is the ideal efficiency of a heat engine operating between 2700K and 300K temperatures? a. 10%…

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Q: A heat engine has quarter the thermal efficiency of a carnot engine operating between 85C and 445C.…

A: Given values -  Tcold=85o C =85+273=358 K THot=445o C=445+273=718 K Therefore,  Efficiency of Carnot…

Q: In a question, an engine is advertised as being able to do 4000 J of Work for an output of 6000 J of…

A: work done by engine = 4000 J Heat absorbed = 6000 J Temperature of hot reservoir = 500 k Temperature…

Q: A heat engine having the maximum possible efficiency has an efficiency of 35.0% when operating…

A: The given values are,

Q: A steam turbine operates at a boiler temperature of 450 K and an exhaust temperature of 300 K. What…

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

A: Given: The total amount of heat transfer is 1.2×1014 J. The efficiency of the engine is 42%.…

Q: Due to design changes, the efficiency of an engine increases from 0.30 to 0.50. For the same heat…

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Q: An ideal, reversible heat pump is taking heat from the outside air at -11.5 °C and discharging it…

A: Given : Reversible heat pump is taking heat from the outside air at -11.5 °C.…

Q: Compute for the thermal efficiency of a truck that has input energy of 454 J and 223 J exhaust heat.

A: Given data:  Input heat energy (QH) = 454 J Waste heat energy (QL) = 223 J

Q: A carnot engine takes 2000 J of heat from a reservoir at 300 K, does some work, and discard some…

A: Given data: The high temperature reservoir is at TH=300 K. The lower temperature reservoir is at…

Q: AN IDEAL ENGINE HAS AN EFFICIENCY OF 0.725 AND USES GAS FROM A HOT RESERVOIR AT A TEMPERATURE OF…

A: Given data: Efficiency of ideal engine is, η=0.725. Temperature of hot reservoir is, TH=622 K.

Q: A heat engine operates with sink temperature 25° with the efficiency of 30%. By how many kelvins…

A: Given: The engine operates with sink temperature 25oC when it have an efficiency of 30%. To find:…

Q: A Carnot heat engine and an ordinary refrigerator with coefficient of performance 1.80 operate…

A: Given  Temperature limits of carnot engine and refrigerator both are 335 k and 245k. In case of card…

Q: Two Carnot heat engines are connected in sequence, with the efficiency of the first engine being k…

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Q: A heat engine having an efficiency of 0.20 takes in 2000 J of energy from the hot reservoir in one…

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Q: A) 20 J of heat is transferred from a hotter reservoir to a colder reservoir. Calculate ΔStot (J…

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Q: A Carnot heat engine has an efficiency of 0.700. If it operates between a deep lake with a constant…

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Q: A freezer needs an input power of 93.6 W to convert 1.80 kg of water at 25.0°C to 1.80 kg of ice at…

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Q: A heat pump delivers 1.0 kJ of heat to the inside of a house on a day when the outside temperature…

A: Convert the temperature from degrees Celsius to Kelvin.

Q: In a cyclic process, a heat engine absorbs 600 J of heat from a heat source, does work, and ejects…

A: The efficiency of a heat engine is, η=WQinη=Qin-QoutQin Here, Qin is the heat absorbed and Qout is…

Q: A Carnot heat pump is used to heat and maintain a residential building at 75°F. An energy analysis…

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Q: If a heat engine performs 200 J or work while absorbing 1000 J of heat energy from the hot…

A: Given data The work performed by the heat engine is given as W = 200 J. The heat absorbed by the…

Q: A typical electric refrigerator has a power rating of 400 W, which is the rate (in J/s) at which…

A: The expression for find heat from the cold reservoir is W=Qh-QlQl=W-Qh

Q: During each cycle of operation, a refrigerator absorbs 230 J of heat from the freezer and expets 356…

A: Given: The heat absorbed by the refrigerator from the freezer is 230 J. The amount of heat expelled…

Q: 4. (15.21) A heat engine does 9200 J of work per cycle while absorbing 25.0 kcal of heat from a…

A: Given: Work output = 9200 J  Work input = 25 Kcal                      = 25 × 4184 J…

Q: a heat engine operating between 1000c&7000 c has efficiency equal to 40%of the maximum theoretical…

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Q: A Carnot heat engine receives 700kJ/s from a heat source and produces 430 kW of power. At what rate…

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Q: A given cyclical heat engine can do 1.6 × 105 J of work with 2.27 × 106 J of heat input. What…

A: Efficiency=η=WorkInput=1.6×105 J2.27×106 J=0.0705=7.05%

Q: During each cycle of its operation, a certain heat engine has a thermal energy input of 500 Joules,…

A: Given: The heat supplied is 500 J. The heat loss to the environment is 160 J.

Q: A heat pump has a coefficient of performance of 4.6 . If the heat pump absorbs 30 J of heat from the…

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Q: 8000 J of heat from a hot reservoir is put into a reversible (Carnot) heat engine whose hot and cold…

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Q: A heat engine receives heat from a source at 1500 K at a rate of 600 kJ/s and rejects the waste heat…

A: The efficiency of reversal heat engine is nrev=1-TLTH Here, TL is the low source temperature, TH is…

Q: It is claimed that, while running through a whole number of cycles, a heat engine takes in 23 kJ of…

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Q: A heat pump is used to keep a house warm at 22∘C.   How much work is required of the pump to…

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Q: In a cyclic process, heat transfers are + 14.7 kJ, – 25.2 kJ, – 3.56 kJ and + 31.5 kJ. What is the…

A: we know that in a cyclic process  net change in internal energy will be zero. and net work will be…

Q: A heat engine produces 2000 J of work while operating between 210 degrees Celsius and 35 degrees…

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