, find the refrigerant effect of the ideal vapour
Q: An ideal ammonia (R – 717) vapor-compression refrigeration cycle has evaporator temperature of -20 C…
A: Given:R-717TL=-20°CPc=12 barm=3 kg/min
Q: A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the…
A: Given: The refrigeration capacity, R = 10 ton of refrigeration = 35 kW The evaporator pressure, P1 =…
Q: A stem power plant operates with high pressure of 5.5 MPa, and has boiler exit temperature of 450…
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Q: An ideal ammonia (R – 717) vapor-compression refrigeration cycle has an evaporator temperature of…
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Q: A refrigeration plant working on a simple vapour compression cycle with pressure limits of 2.1 bar…
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Q: An ideal refrigeration cycle that has a condenser temperature of 25°C and an evaporator temperature…
A: Given:TH=25°C =298 KTL=-25°C =248 K
Q: A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the…
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Q: Rankine cycle for initially dry saturated steam at 150 psi, condenser pressure of 2 psi. Find the…
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Q: A 298-MW steam power plant operates on the Rankine cycle but with turbine and pump efficiencies of…
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Q: An ideal ammonia (R – 717) vapor-compression refrigeration cycle has an evaporator temperature of…
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Q: 4.1 the coefficient of performance and sketch the P-H and T-S diagrams and showing all given and…
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Q: An R-134a vapor compression cycle, has a refrigeration load of 3 tones. The evaporator and condenser…
A: Given data: RC=3 TonnesT1'=T4=-20°CT2'=T3'=40°CT1=-15°CT3=35°Ccp,l=0.963 kJkgKcp,v=0.6165 kJkgK
Q: A refrigerator with Freon 11 as the working fluid is considered. Given the data below, compute the…
A: Given, T1 = -22oC from Table ; h1 = 385.32 kJ/kg s1 = 1.743 kJ/kg.K P2 = 1 MPa From steam table; s2…
Q: n a Refrigerant 12 system which serves a 212 kw evaporator at - 30 0C. The system uses two stage…
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Q: 100 ton of vapor compression refrigeration system using R-134a the vapor entering the evaporator at…
A: Note: As per policy, we can solve the first three subparts. Please resubmit the remaining part.
Q: Show the P-h diagram and your solutions. 1. A simple vapor compression cycle using R-134 refrigerant…
A: Given that , R-134aSimple vapour compression cycle , Capacity=30TOREvaporator…
Q: A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the…
A: Given: The refrigeration capacity of system , R = 15 tons = 15x3.5 = 52.5 kW The evaporator…
Q: A steam power plant operating on regenerative cycle, as illustrated in Fig 8.5, includs just one…
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Q: A dry and saturated steam supplied in a power plant is at 1500 kPa. Determine the efficiencies of…
A: Given: The condition of the steam is dry saturated. Boiler pressure or turbine inlet…
Q: A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the…
A: The saturation temperatures of refrigerant R-134a in evaporator can be obtained from the tables of…
Q: A test of a 30-TR ammonia vapor compression refrigeration system gave the following results:…
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Q: Idea Vapor refrigeration Cycle uses R134 and operates between 70KPa and 900KPa. If the peak…
A: At 900 kPa, the saturation temperature is 35.5 oC and the peak temperature after compression is 40…
Q: Air enters the compressor of an ideal gas refrigeration cycle at -23°C and enters the turbine at…
A: To find: The COP of the cycle. Given: The temperature at the inlet of compressor is T1=-23°C=250 K.…
Q: Q3) If in a standard vapor-compression cycle using refrigerant 22 the evaporating temperature is…
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Q: A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the…
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Q: A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the…
A: Consider the diagram shown below for the given refrigeration system.
Q: A refrigeration system using R-12 receives a load of 54 KW at an evaporator temperature of - 4 oC…
A: To Find : a) Determine the power required by the compressor in kW . Given : The evaporator…
Q: simple – vapor compression cycle develops 13 tons of refrigeration. Using ammonia as the refrigerant…
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Q: Use Burghardt and Harbach Tables for reference in values Answer completely. A vapor-compression heat…
A: Given: The heating provided by heat pump, Q = 30000 Btu/hr = 8.792 kW The evaporator pressure, Pe =…
Q: Saturated vapor Freon 12 refrigerant at 219.12 kPa leaves the evaporator and enters the compressor…
A: Given that, Pressure of refrigerant, P=219.12 kPa,Evaporator temperature, Te=-5 °C,Condensor…
Q: A heat pump that operates on the ideal vaporcompression cycle with refrigerant-134a is used to heat…
A: Given data: Mass of water= mw=0.12 kg/sec Condenser pressure, P2 = 1.4MPa Evaporator pressure, P3=…
Q: 9. An ammonia vapour-compression refrigerator has a single-stage, single-acting reciprocating…
A: Refrigerator is a device used to produce cooling by dissipating heat in the form of fluid or…
Q: Schematic diagram of a Simple Vapor Compression System is shown that uses refrigerant R-134a for…
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Q: Condenser pressure is 1200 kPa, Intermediate pressure 500 kPa and evaporator pressure 200 kPa, T7 =…
A: Given data as per question Condenser pressure is 1200 kPa evaporator pressure 200 kPa cooling load…
Q: Determine the rate of heat addition into an ideal Rankine cycle, in kJ/kg, for the following…
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Q: Consider the following Vapor-Compression Heat Pump cycle which uses R-134a as the refrigerant. The…
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Q: A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the…
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Q: A Carnot vapor refrigeration cycle operates between thermal reservoirs at 40 ⁰F and 100 ⁰F.…
A: Given data: TL=40°F=277.594 KTH=100°F=310.928 K Need to determine the coefficient of performance.
Q: A steady-flow Carnot refrigeration cycle uses R-134a as the working fluid. The refrigerant changes…
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Q: A steam Rankine cycle operates with a condenser temperature of 30°C, and a boiler pressure of 15MPa.…
A: We have to determine the thermal efficiency of the cycle
Q: Q2) A Carnot refrigeration cycle absorbs heat at -12°C and rejects it at 40°C. (a) Calculate the…
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Q: A Carnot vapor refrigeration cycle uses R-134a as the working fluid. The refrigerarit enters the…
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Q: Solve neatly and draw diagrams. write neatly An regenerative engine receives 68,000 kg/hr of steam…
A: Using energy balance for the heater mb h31+(mt-mb) hf2=hf31mt To find the enthalpies hf2 & hf31…
Q: In an ideal vapour-compression refrigeration cycle, refrigerant R-12 enters the compressor as a…
A: Given data: - The temperature of the saturated vapour is T1 = -16 oC. The temperature of the…
Q: A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the…
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Q: A standard vapour compression cycle developing 40 kW of refrigeration using refrigerant 134a…
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Q: A refrigerator operating using vapor-compression cycle uses R-134a as a working fluid. The condenser…
A: Note: As per Policy we can solve first three subparts. Please resubmit the remaining subparts.
Q: In a R-134a based refrigeration system the cycle operates in the temperature range of 40°c and 20°c.…
A: Coefficient of performance of a refrigerator is given by , COP = TLTH -TL Given information, TL…
Q: A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the…
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- Welded ______sealed compressors are normally used in household refrigerators.Why is two-stage compression popular for extra-low-temperature refrigeration systems?The operating condition for the single compressor in a household refrigerator is the lowest box temperature, which is typically A. 0F B. -20F C. 20F D. 40F
- Q2/ In simple refrigeration system uses R134a, the evaporator pressure is 0.25 MPa and the condenser pressure is 1. MPa. The evaporator load is 25 TR. Determine the required work to operate the compressor motor in (a) kW, (b) hp. What is the displacement volume of the compressor if the volumetric efficiency is 80%Provide a complete given and computation. Include all the decimals. There are received 68,000 kg/h of steam by an ideal regenerated engine, having only one heater, of which the heater receives 15,400 kg/hr the condenser receives the remainder at 0.007 MPa. If the heater pressure is 0.96 MPa, find the state (quality or "SH) of the steam (a) at the heater entrance and (b) at the condenser entrance.A two-stage refrigeration system operates with ammonia refrigerant flowing at the rate of 15 kg/min through the evaporator. The saturation temperature in the condenser and evaporator units have been noted to be 40⁰C and - 15⁰C respectively. If the system has intercooling by liquid refrigerant at 4.25 bar, determine (a) The capacity and COP of the system. (b) How will these parameters be affected if the compression is carried out in a single stage unit ; the operating temperature limits remaining the same? Use the p-h chart and property tables for saturated ammonia refrigerant
- Q2:- Multi-evaporator system with single compressor and individual expansion valves used refrigerant 143a at two different temperatures with a single compressor and a single condenser. The low-temperature evaporator operates at -40 °C with saturated vapor at its exit and has a refrigerating capacity of 5 tons. The higher- temperature evaporator produces saturated vapor at 4 bar at its exit and has a refrigerating capacity of 3 tons. The compression with isentropic efficiency 85% to the condenser pressure of 10 bar. The refrigerant leaves the condenser at 10 bar with subcooled to a temperature of 10°C. Draw the schematic diagram of the cycle and p-h diagram then calculate: a) The mass flow rate of refrigerant through each evaporator. b) The compressor power input, in kW. c) The C.O.P. d) The rate of heat transfer from the refrigerant passing through the condenser, in kW. e) The overall heat transfer coefficient of the condenser is 430 W/m2.°C and a heat transfer area of 16 m2. If…What is the coefficient of performance of the refrigeration plant mentioned in # 3?* a. 3.1 b. 3.4 c. 3.7 d. 3.9A vapor compression refrigeration systemhas an enthalpy of saturated liquid at the hightemperature side is 341.769 kJ/kg while at lowtemperature side is 131.27 kJ/kg and a latentheat of vaporization of 1312.63 kJ/kg. If themass flow rate of refrigerant is 0.50 kg/s.compute the tons of refrigeration.
- Steam or water substance is used in a Carnot refrigeration cycle. The evaporator temperature is 300 K and the condenser temperature is 500 K. During condensation the steam changes from a saturated vapor to a saturated liquid. Calculate (a) the compressor work (kJ/kg) required, (b) the net work (kJ/kg) per cycle, (c) the coefficient of performance.An isobaric boiler vaporizes saturated liquid water at 200kPa until it is saturated vapor. If the mass flowrate of the water is increased but the same heat transfer rate is maintained, what should be the new state of the boiler outlet? a. Subcooled liquid b. Superheated vapor c. Mixture of liquid and vapor d. Saturated vaporA simple vapour compression plant produces (5 tonnes) of refrigeration. The enthalpy values at inlet to compressor, at exit from the compressor, and at exit from the condenser are (183.19, 209.41 and 74.59 kJ/kg) respectively. Determine :- (i) The refrigerant flow rate, (ii) The C.O.P. (iii) The power required to drive the compressor. (iv) The rate of heat rejection to the condenser.