A cornot engine has an tempeualiueof sinkb bo°c flous should the fomp f seuce be inceeared if the engene efficiency is to be inereased to 80%. efferieney of so% obes
Q: state, the piston is free to move. Now air at 500 kea and 70°C is allowed to enter the cylinder from…
A: Formula as, ∆S=change in entropy V2=Final volume V1=Initial volume N=No. of moles of air
Q: The change in entropy ih an adiabatic processis equalto Zero if the processisreversible and greater…
A: Any thing in nature is not 100% efficient. Similarly if we give heat to a system all heat energy…
Q: Reversed carnot refrigeration system has an evaporator temp of -5 degrees celsius and condenser…
A: Given: TH=450C TL=-50C
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Q: Calculate the change in entropy
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Q: Since the process is cyclic, then AU = 0 so: Since: Q= QH+QC = |QH|-|QC| Then W = QH QC But the…
A: To determine: Efficiency of cyclic process.
Q: An elec power plant operating on the Carnot cycle puts heat into a river with a water temperature of…
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Q: A block of copper of mass 2 kg and at temperature 00C is introduced into an insulated container in…
A: Given: The mass of the copper is 2 kg. The temperature is 0°C. The number of…
Q: An idal gas under isobaric (P: constant) process to move from the first state: = 1 atm, V= 250 L, T=…
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Q: An object of mas 1okg falls from ahajlt Spm to the qround.Calaulete the rough 30m. potential enersy…
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Q: Calculate the entropy change in kJ/K, of 10kg of Silver when it’s temperature increases from 20…
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Q: What is Carnot efficiency of a heat engine operating between the temperatures of157 and -12 Give…
A: Given The temperature of the source is T1 = 157oC = 157+273 K = 430 K. The temperature of the sink…
Q: Reversible 2T heat engine works between 1200 K and 600 K. Its work output per cycle is 100 J. What…
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Q: A piston-cylinder device contains 3 kg of R-134a fluid at 100 kPa and 0.6 quality conditions. The…
A: Given thatMass, m=3 kgPressure, P=100 kPax1=0.6Tsat=246.6 KDestroyed energy, E=30 kgfrom…
Q: A CAES has a volume of 600000 m3, and the compressed air pressure range is from 75 bars to…
A: Let V1 and P1 denote the initial volume and pressure, V2 and P2 denote the final volume and…
Q: What is the mechanical work output per cycle and thermal efficiency of an engine that takes 19 kJ of…
A: Please see the answer below.
Q: A manufacturer claims to have constructed an engine that has an efficiency of 35%, when operated…
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Q: Make a ven diagram for isobaric process, isochoric process, isothermal process and adiabatic…
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Q: The surface of the Sun is approximately 5,750 K, and the temperature of the Earth's surface is…
A: Given: The surface temperature of the sun is 5750 K. The temperature of the earth's surface is 293…
Q: A brass rod is in thermal contact with a constant - temperature reservoir at 128 °C at one end and a…
A: The tempareture of hot reservior = 128 degree celsius = (128+273)= 401 KelvinThe tempareture of cold…
Q: Only Handwritten solutions are allowed
A: Step 1: Step 2: Step 3: Step 4:
Q: Must asnwer all 3 subparts a,b,c else will downvote 1. An ideal gas sample initially at 25°C and…
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Q: Ques 2 po (CLO-6J Superheated water vapor enters an irreversible adiabatic turbine at 5 MPa and 500…
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Q: Problem 9.001 SI At the beginning of the compression process of an air-standard Otto cycle, P -1 bar…
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Q: 100 gm of water at 0 °C is mixed with an equal mass of water at 80 °C. Calculate the resultant…
A: Given: The mass of the water is 100 gm. The initial temperature is 0°C. The…
Q: As shown in the figure below, a reversible power cycle receives energy QH by heat transfer from a…
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Q: Suppose we have 3.50 kg of water at a temperature of 0 degre celsius. We put the water in a freezer,…
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Q: Air enters a compressor steadily at the ambient conditionsof 100 kPa and 22C and leaves at 800 kPa.…
A: The change in entropy,
Q: Why are the back work ratios relatively high in gasturbine engines?
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Q: 50g of water at 60oC is transferred to a pan and evaporated to dryness at 100oC at constant…
A: Convert the temperature of the water from degree Celsius to Kelvin. And,
Q: The final temperature and initial temperature of a diatomic ideal gas are Tƒ and To, respectively.…
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Q: (17 blanks) Calevate the ettceny of the Carner tngine for ideai gas. Consider the fgure below for a…
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Q: Question 1: Calculate the change of specific entropy, in across the valve shown if the working fluid…
A: Given: The initial pressure of the system is P1 = 3.5 bar The final pressure of the system is P2 = 1…
Q: A refrigerator operating on the reversed carnot cycle has a measured work input of 200kW and heat…
A: Given data: The work input to the refrigerator is W=200 kW. The heat rejection is QH=2300 kW. The…
Q: Air is used as the working fluid in a simple ideal Brayton cycle that has a pressure ratio of 12, a…
A: Solution as follows.Explanation:
Q: otion and the brake mean I charge is 1.05 kg/m3 ar
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Q: A Carnot engrne is operatng at temperatures f (a) If 14000J 300K and 500K y heat is absorbed…
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Q: A power plant operates with a heat-source reservoir at 350 and a heat-sink reservoir at 30 . It…
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Q: a box of mass 10.0 kg and intaial velocity 3.0 m/s slides along a floor and comes to a rest due to…
A: Given : Mass of a box (m) = 10 kg Initial velocity (vi) = 3 m/s Temperature (T) = 293 K
Q: What is Carnot efficiency of a heat engine operating between the temperatures of 381 Co and -11 Co…
A: Carnot efficiency of a heat engine operating between the temperatures of T1 and T2 is given by,…
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