in each cycle a refrigerator absorbs heat of 3.4x10^4J from the cold reservoir. It has a coefficient of performance of 2.70. How much mechanical energy is required each cycle to operated the refrigerator? During each cycle, how much heat is discarded to the high-temperature reservoir?

Q: 11) A heat engine receives 7000 J of heat and loses 3000 J in each cycle. What is the efficiency of…

A: Given     heat given (Q1) = 7000 J     heat lost (Q2 )= 3000 J   Therefore ,  Useful work done by…

Q: An engine absorbs 500 J of heat and rejects 100 J of heat to the cold reservoir in each cycle.  What…

A: Given : Qh = 500 J Qc = 100 J

Q: In one cycle of an engine, 1.71 kJ of energy is absorbed from a hot reservoir at 277°C, and 1.21 kJ…

A: In the question given engine input and output heat at the temperatures we have to find ----  (a)…

Q: A refrigerator has a coefficient of performance of K=2.2 Each cycle, it absorbs 3.35×104 J of heat…

A: A heat pump/refrigerator transfers energy from a cold reservoir to a hot reservoir, provided some…

Q: A heat engine utilizes a heat source at 590 °C and has a Carnot efficiency of 33 % . Part A To…

A: The efficiency is 33% and heat source temperature is 590° C = 273+590 = 863 kc

Q: What is the efficiency of an ideal heat engine that operates on a Carnot cycle between 70 °F and…

A: Given: Temperature, T1=70 °F  Temperature, T2= 1000 °F To determine the efficiency of an ideal heat…

Q: A heat pump has a coefficient of performance of 3.1. Hint   If it requires 290 J of work per…

A:

Q: A heat pump delivers heat at a rate of 7.81 KW of 10.0 HR if it's coefficient of performance is 6.85…

A:

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: A refrigerator has a coefficient of performance of 2. The ice (cjce = 2090 J/kg.°C) tray compartment…

A:

Q: A heat pump takes in 440J of heat from a low temp reservoir in each cycle and uses 200J of work to…

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Q: During one cycle, a refrigerator removes 360 J from a cold reservoir and discharges 530 J into its…

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Q: A heat engine utilizes a heat source at 560 °C and has a Carnot efficiency of 35 %. Part A To…

A: The Carnot efficiency is given by, η=1-TCTH×100%    (1) Here, TC is the temperature of the cold sink…

Q: A diesel engine performs 2200 J of mechanical work and discards 4300 J of heat each cycle. How much…

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Q: In each cycle of its operation, a heat engine expels 2,500 J of energy and performs 1,900 J of…

A:

Q: In each cycle of its operation, a refrigerator removes 19 J of heat from the inside of the…

A: The amount of work done to operate the refrigerator is calculated using the following formula: W =…

Q: A diesel engine performs 2,200 J of mechanical work and discards 4,300 J of heat each cycle. How…

A: Given data: Mechanical work done by the diesel engine is, W= 2200 J Heat discard in each cycle is,…

Q: A steam engine absorbs 7.91×105J and expels4.99 × 105J in each cycle. Assume that all ofthe…

A:

Q: A heat engine uses a heat source at 520 °C and has an ideal (Carnot) efficiency of 29 % . Part A To…

A: Temperature of the heat source T1=520oC=793 K and efficiency of the Carnot engine n1=29%. New…

Q: A heat engine takes in 1800 J of heat from a high temperature reservoir and rejects 1200 J of heat…

A: Answer is Option (a) The expression used to work done by each cycle of engine is W=Qh-Qc Substitute…

Q: A refrigerator uses 1750 J of mechanical work to absorb 3750J from cold reservoir at 260 K. What is…

A: Given: Mechanical work uses by refrigerator = 1750 J Desired effect from cold reservoir = 3750 J…

Q: Find the energy expelled to the hot reservoir of a refrigerator has a coefficient of performance…

A: Given :- Coefficient of performance COP=3  Energy taken from cold reservoir Q1=179 J    To Find :-…

Q: A heat engine is found to have an efficiency of 0.33. If it does 190 J of work per cycle, how much…

A:

Q: A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of 524 and 287…

A: given data 2.4kJ of net work 3.6kJ of heat tempratures are 524k and 287k thermal efficiency = ?

Q: A refrigerator removes heat from a freezing chamber at -8 ⁰F and discharges it at 99 ⁰F. What is its…

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Q: In each cycle of its operation, a refrigerator removes 13 J of heat from the inside of the…

A: Given data The heat removed by refrigerator is QL=13 J The heat released into the room is QH=36 J…

Q: What is the coefficient of performance of an ideal heat pump that has heat transfer from a cold…

A: Given:  Tc =  25 C = - 25 + 273 = 248 K  Th = 40 C = 40 + 273 = 313 K

Q: In each cycle of its operation, a heat engine expels 6,500 J of energy and performs 1,700 J of…

A: Let take, heat added as Q1, heat rejected as Q2 , Work done as W. Given, Q2 = 6500 J,  W = 1700 J

Q: A refrigerator extracts 400 J of heat from a box during each cycle and rejects 600 J to a…

A: The formula for the coefficient of performance of the refrigerator is:

Q: A heat engine takes in 400 J of energy from a hot reservoir and performs 21.0 J of work in each…

A: Given: The heat taken by the engine is 400 J. The work performed by the engine is 21 J.

Q: An engine that absorbs 480 J of heat per cycle has an efficiency of 00.34. How much work W does the…

A:

Q: A refrigerator has a coefficient of performance of 2.0. In each cycle it absorbs 3.4×104 J of heat…

A: Coefficient of performance, COP = 2Heat absorbed, Q = 3.4×104 JHeat released, Qh = ?

Q: A heat engine uses a heat source at 530 ∘C and has an ideal (Carnot) efficiency of 28 % . To…

A: The ideal (Carnot)  efficiency of a heat engine is given by,  ηideal(%)=1−TLTH×100% Where heat…

Q: Which of the following constitutes a very high efficiency for a useful, working heat engine? a) 200%…

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Q: A heat engine performs 483 J of work in each cycle and has an efficiency of 0.1. For each cycle, how…

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Q: One of the most efficient engines ever built is a coal-fired steam turbine engine in the Ohio River…

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Q: A refrigerator has a coefficient of performance of 4.0. When removing 2.4×104 J from inside the…

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Q: A Carnot refrigerator has a coefficient of performance of 2.5. The refrigerator consumes 50 W of…

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Q: in one cycle, a heat engine does 700J of work and releases 1450 J of heat to a lower-temperature…

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

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Q: A heat pump has a coefficient of performance of 3.80 and operates with a power consumption of 7.03 x…

A:

Q: An engine absorbs 500 J of heat and rejects 100 J of heat to the cold reservoir in each cycle.  What…

A: GivenQH=500 JQC=100 J