A heat pump cycle has a coefficient of performance equal to 70% of the value of a reversible heat pump cycle operating at steady state between thermal reservoirs at 4°C and 21°C. Question: Determine the net power input, in kW per kW of heat discharged, required by the actual heat pump cycle.
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A: The problem can be solved by using the concept of efficiency of a heat engine. The answer for the…
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A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
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A: Given, An engine operating between heat reservoirs at,TC =293 KTH = 473 KHeat extracted, QH = 1000 J…
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A: Represent it on diagram for better understanding a) Efficiency of heat engine can be determined as
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A: Given: The high temperature of the engine is 492 K. The low temperature of the engine is 290 K. The…
Q: A freezer sustains a cold environment of -39°C and exhausts its heat at 38°C. Assume a Carnot cycle.…
A: The efficiency (η) of a Carnot cycle is given by: η=(Tc-Th)Tc Where:Tc is the temperature of the…
Q: In this problem a heat engine, each cycle, absorbs an amount of energy Qh = 1845 J from a hot…
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Q: from a hot reservoir at
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Q: The thermal efficiency of a reversible power cycle operating between hot and cold reservoirs is 10%.…
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Q: An ideal gas heat engine operates in a Carnot Cycle between temperatures of 266°C and 115°C. It…
A: Given data: Thot = 266°C = 539 K Tcold = 115°C = 388 K Solution: Efficiency = 1 - ( Tcold / Thot )…
Q: Suppose a Carnot engine that has an efficiency of 52% and a cold reservoir temperature of 31 degrees…
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Q: A refrigeration machine rejects QH = 680 Btu per cycle to a hot reservoir at TH = 540°R, while…
A: Given, Heat rejected per cycle by the refrigerator, QH = 680 Btu the temperature of the hot…
Q: A heat engine receives heat in the amount of Q,= 525 kJ from a high temperature thermal reservoir…
A: Given Amount of heat received by the heat engine Qh = 525 kJ Net work done by the heat engine Wnet…
Q: An engine absorbs 3500J of heat each cycle and expels 1200J. (a) How much work does it do in one…
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Q: An engine absorbs 1.71 kJ from a hot reservoir at 277°C and expels 1.22 kJ to a cold reservoir at…
A: Given data: The heat absorbed by the engine is Qa=1.71 kJ The temperature of the hot reservoir is…
Q: A cyclical heat engine operating according to a Carnot cycle has an efficiency of 13.0% efficiency.…
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Q: A heat engine with an efficiency of 0.21 absorbs 400 J of heat per cycle. Hint a. How much work does…
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Q: What if the actual work done (more realistically) is W = 320 J during a single cycle; what is the…
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Q: Steam locomotives have an efficiency of 18.2% and operate with a hot steam temperature of 455°C.…
A: Hence the answer in three significant figures is 596.K.
Q: A certain heat engine operating on a Carnot cycleabsorbs410 J of heat per cycle at its hot reservoir…
A: Given: The heat engine efficiency is given as, e=WQH Here, W= work done of engine, QH= hot reservoir…
Q: A heat engine operates in a Carnot cycle between 78.0°C and 345°C. It absorbs 20,000 J of energy per…
A: temperature of cold reservoir, Tc =78.0°C = 351 K temperature of hot reservoir, TH = 345°C = 618 K…
Q: In one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a…
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Q: A heat engine operates between a high temperature of 1000 °C and a low temperature of 500 °C. Assume…
A: This problem can be solved using the formula for efficiency of carnot engine.
Q: A heat engine takes in 310 J of energy from a hot reservoir and performs 27.0 J of work in each…
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Q: determine the initial and final temperature
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Q: A certain heat engine operating on a Carnot cycleabsorbs410 J of heat per cycle at its hot reservoir…
A: First, we use the relation between the efficiency and temperatures of hot and cold reservoirs to get…
Q: certain gasoline engine has an efficiency of 32.0%. What would the hot reservoir temperature (in °C)…
A: Given Temperature of sink = 2100 C = 210+273 = 483 K Efficiency = 32 %
Q: An engine with an efficiency of 0.34 absorbs 55 J from a heat reservoir in each cycle. If it…
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Q: A heat engine is operating on a carnot cycle a has a thermal efficiency of 58%. The waste heat fr…
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Q: A heat engine operating at steady state delivers a power output of 17 hp. The engine receives energy…
A: Write the given values with suitable variables. t=1 min50=6050 s=1.2 sP=17 hp=12682 WQh=33 kJ=33×103…
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Q: 10^9 J of heat is transferred into the engine, at a temperature of 575 K? (a) What is the work…
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Q: A reversible power cycle operating as in the figure receives energy QH by heat transfer from a hot…
A: Given Data, Rejected EnergyQC=10 Btu Temperature of the cold reservoirTC=400F Work for the cycleW=30…
Q: A heat engine absorbs 100 J of heat from high temperature reservoir at 1727 Celsius and exhausts…
A: Using concept of Carnot engine for maximum efficiency we get
Q: heat pump operates on a Carnot cycle between the cool exterior of a house and the warm interior.…
A: This problem can be solved using the formula for coefficient of performance of a carnot heat pump.
Q: A heat engine provides a net power output of 14 kW and has an efficiency of 23 %. The engine rejects…
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Q: n one cycle a heat engine absorbs 460 J from a high-temperature reservoir and expels 310 J to a…
A: Efficiency of the engine ηh=1-QcQh55%ηcarnot=1-QcQh0.551-TlowThigh=1-QcQhTlowThigh=1-10.551-QcQh
Q: An engine absorbs 1.71 kJ from a hot reservoir at 277°C and expels 1.22 kJ to a cold reservoir at…
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Q: A heat engine takes 1800 kcal of heat from a hot reservoir at 270oC and vents 1200 kcal to a cold…
A: Given,
Q: A heat pump cycle delivers energy by heat transfer to a dwelling at a rate of 40,000 Btu/h. The…
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