1.3) Calculate the COP of an air conditioner. Inside the building T = 20°C, while the outside it is 35°C. %3D
Q: The higher temperature of a refrigerating system operating at a Reverse Carnot Cycle is 240 °F and…
A: Higher temperature in the cycle, TH=240oF=388.706 KLower temperature in the cycle, TL=266.483…
Q: Solar energy is to be used to operate a lithium bromide - water absorption system shown below. The…
A: here, water acts as a Refrigerant, And LiBr acts as an Absorber. At all stages thermodynamic…
Q: Define Ton of Refrigeration. A refrigeration system with 4 TR cooling capacity has a COP of 5, find…
A:
Q: 1/ A/ Discuss the concept of an available energy (i.e exergy).
A:
Q: Air conditioning unit removes heat steadily from a house at a rate of 500 kJ/min. It draws electric…
A: Given Heat removal, QR = 500 kJ/min Workdone, W = 5 kJ/s Solution…
Q: differentiate between Open Feedwater Heaters and Closed Feedwater Heater with given 1 application on…
A:
Q: a) Find the overall efficiency of the system shown below as a function of the two individual…
A:
Q: 6. What is the total cost of using the following at 9¢ per kilowatthour? a. 110W TV set for 4 h b.…
A:
Q: Compute the Total work of a plant if the the combined cycle overall efficiency is the, average value…
A:
Q: Question 2 A refrigeration cycle operates with R-134a. Saturated liquid QH 4 li Saturated vapor…
A: INTRODUCTION: Refrigeration is the process of maintaining low temperatures as compared to the…
Q: Task 4 A heat pump using refrigerant-134a heats a house by using underground water at 8°C as the…
A: Given: The temperature of underground water, Tw = 8°C The rate of heat loss, Qr = 60,000 kJ/h The…
Q: 1. Liquid water enters a pump at 250C, 100 kPa and exits at a pressure of 5 MPa. Working Substance:…
A: Note: “Since you have asked multiple question, we will solve the first question for you. If you want…
Q: A diesel power station has a fuel consumption of 0.37 lb/ kWh. The calorific value of fuel being…
A:
Q: Room (A) contains only an air conditioner with 6 KW capacity that works 3 hours per day Room (B)…
A: Given Data : Room A : PA=6 kwtA=3 hours Room B : PA=0,9 kwtA=20 hours
Q: 1. In a turbine, steam enters with an enthalpy of 1275 Btu/lbm and leaves with an enthalpy of 1115…
A:
Q: a volume of 0.5 m² ence environment f pecific exergy of the
A:
Q: The heat pump produces 24,000 BTUH (where BTUH = BTU/hr) for space heating, Q_sh, plus it is heating…
A:
Q: A refrigeration cycle operating as shown in Fig. 2.17b has a coefficient of performance B = 1.8. For…
A:
Q: 1 MT/h CH4 (liq) is heated to 44.85 deg C from 31.85 deg C, 400 kPa. What is the duty of the heater…
A:
Q: A water cooler uses 100 lb/hr of melting ice (32 deg F) to cool running water from 80 deg F to 42deg…
A:
Q: State how the boilers are classified ?
A:
Q: A Carnot heat pump works between 27° C and 327°C. What will be its COP?
A: Given, Higher temperature of carnot heat pump = TH = 327 oC = 600 K Lower temperature of carnot heat…
Q: Yeji just came back from dance practice and went straight to her bedroom. It was summer so the…
A:
Q: Suppose a heat engine is made out of an ideal diatomic gas taken around a cycle represented by the…
A: (a) The Pv diagram shown here represents a reversible process. This diagram represents a sudden…
Q: AC/ pump analysis System 2 tons operating steadily to maintain 60 F inside. Temperature outside:…
A:
Q: A machine working on a Carnot cycle operates between -13°C and 32°C. Determine the C.O.P. when it is…
A: INTRODUCTION : The refrigerator and heat pump both are working under the Clausius statement which…
Q: A 1-ton air conditioner is a unit that will remove the amount of heat neededto melt one ton of ice…
A: Given: Latent heat of fusion of ice=144Btu/lb
Q: create a diagram of the geothermal energy flow in a geothermal power plant.
A: Draw the block diagram of the geothermal energy flow in a geothermal power plant
Q: A 73 W freezer has an EER of 10.0. How much heat is exhausted to the room in 2.9 hours?
A: Given:- EER=10 Pi=73W t=2.9 hrs To find; Heat exhausted, Qout
Q: ndustrial heat pump operates eratures of 27°C and 13°C. The
A: Given Data : Rate of heat additionQH=750 W Rate of heat rejectionQR=1000 W
Q: A can of refrigerant 134a (R-134a) for car air conditioners contains 14 ounces.A case of 24 cans has…
A: Given Data : Refrigerant R-134a Can 1 can of R-134a contains =14 ounces
Q: A refrigeration system has a heat added of 440 kw. If COP is 7,find the mass of cooling water in the…
A: GivenQ=440kWCOP=7m=?∆T=14oC increases in water
Q: Compute the Total work of a plant if the the combined cycle overall efficiency is the average value…
A: To find : The total work of plant. Given : The input heat is Qin=192 kJ. Formula used : The…
Q: An ammonia simple vapor operator between evaporator and condenser temperature of 20 C and 35 C…
A:
Q: ons, then find the amount of air circulated per minute through the system. Assuming the actual C.O.P…
A: Given : PVr = PV1.3 = constant
Q: Heat engine operating between T1 and T2 (T1 > T2) has the efficiency of 70%. If the machine is…
A: Given data: η=70% Need to determine the COP of the refrigerator.
Q: Biomass is feedstock and bioenergy is its product
A: Correct answer is Biomass is feed stock and bioenergy is its product.
Q: Task: Assume a cycle that exchanges 6 kW with a high temperature reservoir at the temperature of…
A:
Q: (a) Define COP of a refrigeration system. A refrigeration system with 5 TR cooling capacity has a…
A: COP is defined as the ratio of Desired effect to the Work Input.... For Refrigeration system it is…
Q: What is the answer of the following asked: (need solution ASAP, thank you) The heat rejected in the…
A:
Q: A reversible heat pump is working between 9°C and 28°C. The minimum power required per ton on…
A: Given, Temperature of source = TL = 9 oC = 282 K Temperature of sink = TH = 28 oC = 301 K Heating…
Q: A refrigeration system has a heat rejected of 430 kw.If COP is 7,find the mass chilled water in the…
A: Given , T2-T1=16o COP=7, QR=430KW, Find mw
Q: An ideal reheat steam power plant, a steam of (100 bar, 450 °C) exit from the superheater. The feed…
A: Reheating: Reheating is a technique for increasing the efficiency of the Rankine cycle that involves…
Q: ii. The COP for a refrigerator is 6. The ratio of its highest temperature to the lowest temperature.
A: In general , for a Carnot engine , T1 is the lowest temperature and T2 is highest temperature.…
Q: A thermal power plant, which receives 75 MW of heat from a thermal source of 440 ℃ terk, leaves 50…
A: We know that thermal efficiency is defined as- η=1-HR/HA.... Here HR=Heat Rejected, HA= Heat added
Q: The COP of the heat pump is found to be 5.62, and the heat pump operates with the source at 25°C,…
A: COP=5.62QA=2.12 KWTs=25°C
Q: A reverse heat engine is used as a heat pump. The outside air temperature is (- 5°C). The building…
A: GIVEN DATA REVERSIBLE HEAT PUMP LOWER TEMPRATURE =-5'C HIGHER TEMPRATURE =25'C DESIRED EFFECT ON…
Q: A refrigerator and heat pump operate between the same temperature limits. If the COP of the heat…
A: Coefficient of performance is defined as the ratio of desired effect to the net work done. In…
Step by step
Solved in 2 steps with 2 images
- A(n) ______well draws water from the top of thewater column, circulates it through the heat pump, and then returns the water to the bottom of the water column.A gas furnace has an output of 60,000 Btu/h. The return air temperature is 72F, and the temperature out of the furnace is 130F. Disregarding the heat the fan motor may add to the airstream, how much air is the furnace handling?Performing a home energy audit starts with a visualinspection of a home and its energy systems which include: ______, ________, _______, and _______.
- A tankless water-heating system gets its heat from thesystem's_______.4. Give the Energy balance at an open heater.9. A contained room has an air-conditioning unit that is operating at 1 horsepower. If a change in internal energy of the system is found to be 1000 J, how much heat is associated with the process?
- A 1-ton air conditioner is a unit that will remove the amount of heat neededto melt one ton of ice in 24 hours. A ton has 2,000 pounds in it.a. If 144 Btu of heat are needed to melt 1 pound of ice, how many Btus woulda 1-ton air conditioner remove in 24 hours?b. How many Btus would a 1-ton air conditioner remove in 1 hour?2) Find the heat supplied, in kJ per kg of air circulation. 3) Find the percent thermal efficiency of the cycle, neglecting the mass of fuel.A building owner has several leaking hot water faucets that waste a combined total of 50 gallons per day. The supply hot water temperature in the building is 130 °F and the mains water temperature is 50 °F. If the hot water is provided by a natural gas boiler with an efficiency of 85%, how much energy could be saved if the owner repairs the leaking faucets?
- A gas furnace has an efficiency of 75%. How many BTU will itproduce from 1000 BTU of natural gas.Rate of exergy destroyA diesel power station has a fuel consumption of 0.37 lb/kWh, the calorific value of fuel being 20,000 BTU/lb. Determine the engine efficiency if the generator efficiency is 95% neglect brake power on the engine.