A 600 MW heat engine, wh cooled by water, the therm efficiency of engine is 57 (percent. Determine the heat reject in engine.
Q: A Carnot engine rejects 60 Btu of heat to a reservoir at 55 degrees F. If this engine produces 85…
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Q: An engine uses about 0.24 kg of fuel/kW-hr. If the heating value of the fuel is 50 MJ/kg, what is…
A: Given that, Heating value of fuel, HV=50 MJ/kg=50,000 kJ/kg,Fuel consumption, mf=0.24 kg of…
Q: Suppose 400 kW of power potential is wasted during the process as a result of irreversibility. Let…
A: As the reversible power=800kW and 400 kW of power potential is wasted during the process as a result…
Q: A heat engine absorbs 25 MW from a 400°C combustion chamber and rejects 12 MW to the atmosphere at…
A: Given data:
Q: A domestic food freezer maintains a temperature of-15°C. The ambient air temperature is 30°C. If…
A: The refrigerator is based on the reversed Carnot engine. A refrigerator is a work-consuming device.…
Q: A large heat pump should upgrade 4 MW of heat at 65 C to be delivered as heat at 145 C. What is the…
A: Given:T1=65οC=(65+273)K=338KT2=145οC=(135+273)K=418KQ1=5 MW
Q: rgy is absorbed by a heat engine from the hot reservoir K. a) How much work is performed by this…
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Q: Prove your answer by using a steam table 2. Find the dryness fraction, specific volume, and internal…
A: Given:P=7 barh=2600 KJ/Kg
Q: 2. A cored gaseous system undergoes a veversilole prcess with conutar pressure of sookpa. 2500 kJ,…
A: Given:P1=200 KPaP=CQ=-2500 KJV1=5 m3V2=2 m3
Q: Wet steam at 200 o C and 20 % moisture is compressed in an irreversible adiabatic the process to a…
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Q: Helium gas expands from 150 kPa, 450 K and 0.5 m3 to 100 kPa in a polytropic process with n = 1.667.…
A: Data given- P1 = 150 kPa T1 = 450K V1 = 0.5 m3 P2 = 100 kPa n = 1.667
Q: A steam engine isentropically expands 13.292 kg/s of steam from 0.68 MPa, 220°C. the exhaust is dry…
A: Since we only solve one question at once, we will solve the first one. Please resubmit the other…
Q: In a steam power plant, the measured rate of steam supply was 7.1 kg/s when the ne rate of work…
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Q: A 2kg/s of steam enters a turbine at 1Mpa ,400 °C with a velocity of 10m/s and leaves at very slow…
A: A turbine is a mechanical equipment which uses the heat energy of the steam or fluid allowed to pass…
Q: Milk must be received and cooled from 80 ˚F to 38 ˚F in 5hours. If 4000 Gallons of fresh milk…
A: Given that: T1 = 80 oF T2 = 38 oF t = 5 hours volume = 4000 gallons Specific gravity = 1.03 Cp =…
Q: The compressor of a refrigerator with a cooling coefficient (COP) of 5, located in the kitchen at…
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Q: An engineer is proposing a refrigeration system. The refrigeration system is claimed to remove 595…
A: GIVEN DATA HIGHER TEMPERATURE T =98'F CONVERT IN KELVIN = 309.816K LOWER TEMPERATURE T = 38'F…
Q: A solar energy based heat engine which recieves 55 kJ of heat at 100° Cand rejects 45 kJ of heat to…
A: Given Data QH=55 kJ QL=45 kJ
Q: THERMODYNAMICS A certain gas expand from 7ft3 to 23ft3 while the pressure remains constant at…
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Q: During an isentropic process of 3 lb/sec of air, the temperature increases from 50 deg F to 290 deg…
A: Given data as per question Mass of air = 3lb/s Initial temperature =500F Final temperature =2900F we…
Q: (a) A closed feedwater heater with U = 1986 W/m2•C uses condensing steam at T = 109•C for heating…
A: Given:U=1986 W/m2°CTsat=109°Cm=38 Kg/hCc=4186 J/Kg.°CTwi=15.55°CTwo=101.6°C
Q: A fraction of some power to a motor (1), 2 kW, is turned into heat transfer at 500 K (2) and then it…
A: The exergy of an amount of heat transfer equals the possible work that can be extracted. This is the…
Q: Refrigerant R-410a inters a refrigerator compressor at a pressure of 150 kPa, -10 C and leaves at…
A: The enthalpy of the refrigerant at 150 kPa and -10 degrees Celsius from the standard table is The…
Q: A Carnot engine rejects 50% of the heat absorbed from a source to a sink at 27°C. What is the source…
A: Given data: TL=27°C=300 KQL=0.5QH Need to determine the source temperature.
Q: A Carnot engine absorbs 1900 kJ of heat from a reservoir at 360 °C and exhausts heat to a reservoir…
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Q: Example 2: 2.6 (Page 45) In a stream power plant, the steam mass flow rate is 80ton/h, the steam…
A: Example 2.26 :- You have posted multiple questions on single window. As per the guidelines I am…
Q: pansion according to law pv = constant. eating at constant volume back to the initial conditions.…
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Q: A firm in Manila operates a Diesel supply its electric energy requirements. During a 2 hour period,…
A: Solution:
Q: A spark ignition engine takes in air at 14.7 psia and 82°F. The engine takes in 1300 BTU/lbm during…
A: Given In a SI engine, 1-2-isentropic compression process. 2-3-constant volume heat addition process…
Q: Find the co-efficient of performance and heat transfer rate in the condenser of a refrigerator in…
A: Write the given data. QR=12000 kJ/hWin=0.75 kW=0.75 kW3600 s1 h=2700 kJ/h
Q: A mass-loaded piston/cylinder shown in figure containing air is at 300 kPa, 17°C with a volume…
A: Initial prssure p1=300kpa Intial tempratureT1=17°C=290kIntial volume V1=0.25m3Final pressure p2=400…
Q: A freezer maintains a temperature of-30°C. The ambient air temperature is 20°C. If heat leaks into…
A: Data given- T1 = -30°C = 243 K T2 = 20°C = 293 K Q2 = 3.15 kJ/s
Q: A certain heat engine operating on a Carnot cycle absorbs 150 J of heat per cycle at its hot…
A: Given:heat absorbs, QH=150 JTH=135o CηT=22%
Q: A steam turbine of 6 MW capacity has a willan's line equation of ms= 5.5L + 3,000, kg/hr. Determine…
A: Given data steam turbine capacity = 6 MW = 6000 kW willan's line of equation ms = 5.5 L + 3000…
Q: the irreversibility (in W) due to heat transfer through the
A: Given. One side of a wall is maintained at,T1=400 KT2=300 KHeat transfer rate,Q=…
Q: A gas with a mass of 0.1 Kg and a specific heat of 711.45 J/KgmK does 100 J of work on the…
A: Given:m=0.1 KgC=711.45 J/Kg.mKW=100 JQ=209.25 J
Q: Find the C.O.P of a refrigeration system if the work input is 80 kJ/kg and refrigeration effect…
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Q: A polytropic process with n = -1, initiates with P = V = 0 and ends with P = 600 kPa and V 0.01 m'.…
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Q: 18. A steam engine receives saturated steam at 260°C. Steam is released when its specific enthalpy…
A: When an amount of force act on the object, it has the ability to change its diaplcement, so the…
Q: Between 900 K and T, (T, 400 K), another heat engine operates. For both to be equally efficient,…
A: Given data: T1=900 KT3=400 Need to determine the value of the temperature T2.
Q: 5. A heat engine release heat into the cold reservoir at 500 K with a carnot efficiency of 25 %.…
A: The exhaust temperature of 266.66 K is needed for 60% Carnot efficiency.
Q: (II) A nuclear power plant operates at 65% of its maximumtheoretical (Carnot) efficiency between…
A:
Q: There are received 25.2 Kg/s steam at 2.15 MPa, 480°c by a Rankine engine; exhaust occurs at 0.1 MPa…
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Q: A heat source of unknown temperature supplies energy of (R + 650)k) to a Carnot heat engine. If this…
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Q: Gas supply line Gas 1.5 m3 tank initially contains a gas at 140 kPa, 340 K. The tank is connected a…
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Q: A solar energy based heat engine which recCieves 75 kJ of heat at 98°C and rejects 65 kJ of heat to…
A:
Q: of Performance of the heat pump which should be higher than 100%) when the cabin temperature is 24°C…
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Q: A cycle heat engine does 60KJ of work per cycle. If th efficiency of the heat engine is 60%. The…
A: Given data: W=60 kJη=60% Need to determine the heat rejected per cycle.
Q: A chiller runs on R-410a as the working fluid. It operates with a condensing temperature of 45 C and…
A:
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- Two methods used to power refrigeration compressors on a ship are _____and ____.Thermodynamics (Carnot Cycle) An Ocean Thermal Energy Conversion (OTEC) power plant produces 25000 kW of ouput using warm surface water temperature of 29°C and a cold deep-water temperature of 12°C. Assume it is a carnot cycle and density of cold water to be 1000 kg/m3. Calculate the heat rejected in kW. Options: a. 920000 b. 720000 c. 120000 d. 420000 e. 820000 f. 320000 g. 520000 h. 220000 i. 620000Show given, complete solution, and diagram. A steam power plant operates on the Rankine Cycle. The steam enters the turbine at 7 Mpa and 550 with a velocity of 30 m/s. It discharges to the condenser at 20kpa with a velocity at 90 m/s. Calculate the net workin kw for a flow of 37.8kg/s. a. 23.23 Mw c. 34.22 Mw b. 53.34 Mw d. 46.54 Mw
- a steam engine operation between 150C and 550C. ehat is theorithical maximum thermal effciency?2.2 A reversed Carnot cycle has a COP for cooling of 4. Determine the tempera- ture ratio TĮT,. If the power consumption of the cycle is 7.5 kW, determine the refrigerating capacity of the machine in TR. If the cycle is used as a heat pump with the same ratio of temperatures, deter- mine its COP for heating and the quantity of heat pumped.Exercise & with a beat capacity at constant pressure = 4.10³ kJ K², is initially at the outside air temperature T. 305 K. An air conditioner, which dithermal reversible cyclic manner Coutside air and room), brings the temperature of the operates in a 293k) in one hour. power P must have received A N = = mo ruum, 4 room to 20⁰°c CT₂ What average This air conditioner? Please answer the above question step-wise, showing detailed explanations, including diagrams if necessary. Thanks in advanced !!!! B electrical MARKU
- (a) Define COP of a refrigeration system. A refrigeration system with 5 TR cooling capacity has a COP of 4, find the power requirement in kilowatts.a steam 8.0 mpa and 485 degrees celsius enter the turbine and expand at condenser pressure of 0.006 mpa for cycle and 1kg of steam. determine heat added, worknet, thermal efficienc, for the engine determine steam flow for an engine output of 40000 kw, work turbine, energy chargable, ideal heat rateA solar-absorplion refrigeration syslem has generator lemperature of 87°C, evaporalor lemperalure of -3°C, condenser and absorber temperalures of 27°C each, then ils maximum possible COP is
- Cycle effeciency isn't 68% and use variable spec heat formulas10 0.9967. Ans. H.W 2 A smaller power plant produces steam at 3 MPa, 600 C, in the boiler. It keeps the condenser at 45 C by the transfer of 10MW out as heat transfer. The first turbine section expands to 500 kPa, and then flow is reheated followed by the expansion in the low-pressure turbine. Find the reheat temperature so that the turbine output is saturated vapor. For this reheat, find the total turbine power output and the boiler heat transfer. Answer. (Reheat temperature= 529°C , total turbine power output= 6487 kW, the boiler heat transfer= 16 475 kW)Q.14 In a vapour absorption refrigeration system, the refrigeration temperature ise The refrigerator is operated by solar heat where the temperature reached is 120 C The temperature of heatsink is 50°C. What is the máx. possible COP of the system. nine and refrigerator