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The coefficient of performance of a refrigerator working between 10 c and 20 c is

A refrigerator provides 80 kW cooling by using 20 kW electrical power. Determine the coefficient of performance (COP) of the refrigerator The temperature inside the refrigerator is -2°C and the outside temperature is 30°C.Determine the COP of a refrigerator working based on the Carnot cycle between the same temperature differences.. drops Ln the connecting lines between the components, show.
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Encyclopedia of Counseling the purple book Exam Solved for counseling Exam NCE And CPCE Ch. 3 - Human Growth & Development (100) 1. Freud’s stages are psychosexual while Erik Erikson’s stages are a. Psychometric. b. Psychodiagnostic. c . Psychopharmacological. d. psychosocial. 2. In Freud’s psychodynamic theory instincts are emphasized. Erik Erikson is an ego psychologist. The number between one and ten is called the coefficient, and can be an integer or a decimal. 12. In order to add an electronic signature to a lesson 7 skills practice compute with scientific notation answer key, follow the step-by-step instructions below: Log in to your signNow account. ... where c is a number between 1 and 10 and n is an integer. 86 X 10 13. ... gigantic numbers.
The coefficient of performance of a refrigerator working between 10 c and 20 c is 29.The coefficient of performance of a refrigerator working between 10C and 20C is A. 1 B. 28.3 C. 29.3 D. 3.53. Jun 29, 2019 · A refrigeratoris a carnot's heat engine workingin the reverse direction.
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For a refrigerator keeping an inside temperature of 4 o C = 277 K operating in a room at 22 o C = 299 K the best possible coefficient of performance is COP max = 277/ (299 - 277) = 12.6. The best possible ratio of the amount of heat. 10-1-3 [carnot-40F] A Carnot vapor refrigeration cycle operates between thermal reservoirs at 40 o F and 100 o F.

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The g factor (also known as general intelligence, general mental ability or general intelligence factor) is a construct developed in psychometric investigations of cognitive abilities and human intelligence.It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the fact that an individual's performance on one type of cognitive task tends to be.

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the coefficient off part for Ben's for a cardinal cycle or carnal engine or K C. He's given by G C over the H minus D. C. In this particular case, we are operating at negative 20 C for the cold engine. So that's to 70 ST minus 20 years to 53. Galvin, 2 53 Katherine and the Warm Reservoir is 20 above. So that's 2 93 Kelvin sizing for it..

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Here, The coefficient of performance of the refrigerator is "C O P R ". The coefficient of performance of the heat pump is "C O P H P ". The coefficient of performance is most nearly. A. 3.2 B. 3.9 C. 4.3 D. 5.8 26. A refrigerator using refrigerant R-12. The input power is 585 W. Heat absorbed from the cooled space is 450 Btu/hr (0.13 kW). The.
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Problem-3 Consider an ideal refrigeration cycle which uses R-12 as the working fluid. The temperature of the refrigerant in the evaporator is - 20°C and in the condenser it is 40°C. The refrigerant is circulated at the rate of 0.03kg/s. Determine the coefficient of performance and the capacity of the plant in rate of refrigeration.

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We know that theoretical coefficient of performance, C.O.P. = 1 4 2 3 1 4 T T 1n. The coefficient of performance of a Carnot refrigerator working between `30^(@)C & 0^(@)C` is A. `10` B. `1` C. `9` D. `0`. The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20°C, the.
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The required work, for which we pay in our electricity bill, is performed by the motor that moves a coolant through the coils. A schematic sketch of a household refrigerator is given in (Figure). A schematic diagram of a household. No, the COP strongly depends on outside temperature and required indoor temperature. For temperature difference of about 25°C (e.g., 45 – 20 °C), the.
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Feb 13, 2022 · The coefficient of kinetic friction between each mass and its incline is = 0.30. If m A moves up, and mB moves down, determine (a) the tensions in the connecting string and (b) their acceleration. A rectangular block of weight 300N measures 0.1 m by 0.4 m by 1.5 m..

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10-1-3 [carnot-40F] A Carnot vapor refrigeration cycle operates between thermal reservoirs at 40 o F and 100 o F. For ( a ) R-12, (b) R-134a, ( c ) water, (d) R-22 and (e) ammonia as the working fluid, determine the operating pressures in the condenser and evaporator, in lbf/in 2 , and the coefficient of performance ..
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For temperature difference of about 25°C (e.g., 45 – 20°C), the COP may be about 2.5, while for the difference of about 8 °C (e.g., 30 – 22°C), the COP may reach 3.5.. But if that is the interpretation, then if you run at 75% of the Carnot cycle efficiency, then a COP of 10 with 75% efficiency corresponds to a Carnot efficiency of $(0. ....

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The coefficient of performance of a refrigerator is $5$. If the temperature inside freezer is $-20^{\circ }C, $ the temperature of the surroundings to which it rejects heat is ... In thermodynamics, work is a way of energy transfer from a system to surroundings, under the influence of external factors such gravity, electromagnetic forces, pressure/volume etc. Energy.
( c ) The COP of is its 741 kW —'06 11—12 A refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.12 and 0.7 MPa. The mass flow rate of the refrigerant is 0.05 kg's. Show the cycle on a T-s diagram with respect to saturation lines. Determine ( a ) the rate of heat.
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1. Efficiency of the Refrigerator is _____ to the C.O.P of refrigerator. a) inversely proportional b) equal c) independent d) directly proportional Answer: c Clarification: Efficiency is the ratio of work done to heat supplied, whereas C.O.P is the ratio of Refrigeration effect to work done. Hence it is totally independent quantity. 2. What is.

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Nov 28, 2006 · A Carnot refrigerator operating between -10.0 C and 40.0 C extracts heat from the cold reservoir at the rate 300 J/s. What are (a) the coefficient of performance of this refrigerator, (b) the rate at which work is done on the refrigerator and (c) the rate at which heat is exhausted to the hot....

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What are (a) the coefficient of performance of this refrigerator, (b) the rate at which work is done on the refrigerator and (c) the rate at which heat is exhausted to the hot side?. Brine temperature is 20℉ off brine cooler. Determine the actual coefficient of performance. A. 10.14 B. 11.14 C. 12.14 D. 3.14 55. In an ammonia condensing.

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A pendulum clock keeps correct time at 0 oC. Its mean coefficient of linear expansions is α/ oC, then the loss in seconds per day by the clock if the temperature rises by t oCis. A pendulum clock is 5 seconds fast at temperature of 15 ∘C and 10 seconds slow at a temperature of 30 ∘C.An ammonia refrigerating machine fitted with an expansion valve works between the temperature. The cofficient of performance of a refrigerator is 5. If the temperature inside freezer is `-20^(@)C`, the temperature of the surroundings to which it.

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3. A heat pump has a coefficient of performance of 4. If the heat pump absorbs 20 cal of heat from the cold outdoors in each cycle, the heat expelled (in cal) to the warm indoors is  a. 34   b. 27   c. 36   d. 40   e. 80  ANS: B PTS: 2 DIF: Average 4.A refrigerator has a coefficient of performance of 4. (b) The coefficient of performance.(c) The coefficient of.
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NTA Abhyas 2020: The coefficient of performance of a refrigerator working between 10 ° C and 20 ° C is (A) 28.3 (B) 29.3 (C) 2 (D) 0.5. Check Answer. A refrigerator is removing heat from a cold medium at $3^{\circ} \mathrm{C}$ at a rate of $7200 \mathrm{kJ} / \mathrm{h}$ and rejecting the waste heat to a medium at $30^{\circ} \mathrm{C}$. If the coefficient of performance of the refrigerator is $2,$ the power consumed by the refrigerator is $( a ) 0.1 \mathrm{kW}$ (b) $0.5 \mathrm{kW}$. Mar ....
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A refrigerator uses refrigerant-134a as working fluid and operates on an ideal vapor-compression refrigeration cycle between 0.14 and 0.8 MPa. ... environment, and (c) COP of the refrigerator. This is an ideal vapor-compression refrigeration cycle, and thus ... c) Coefficient of performance of the refrigerator is, 3.97 1.81 kW 7.18.

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A thermostated chamber at a height h above earth's surface and maintained at 30 oC has a clock fitted with an uncompensated pendulum. The maker of the clock has wrongly designed it to maintain correct time at 20 oC. It is found that if the chamber is brought to earth's surface the clock clicks correct time. R e is the radius of earth..
An ammonia refrigerator works hetween- 6 .7 ° C and 26.7° C , ... = 20.5° C If the mass of ice produced per hour from water at 15° C is 50 kg and the latent heat of ice is 335 kJ/kg. find : (i) coefficient of performance : (ii) mass flow of.

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For temperature difference of about 25°C (e.g., 45 – 20°C), the COP may be about 2.5, while for the difference of about 8 °C (e.g., 30 – 22°C), the COP may reach 3.5.. But if that is the interpretation, then if you run at 75% of the Carnot cycle efficiency, then a COP of 10 with 75% efficiency corresponds to a Carnot efficiency of $(0. ....

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A Carnot refrigerator operating between -10.0 °C and+ 30.0 °C extracts heat from the cold reservoir at the rate 100 J/s. What are (a) the coefficient of performance of this refrigerator, (b) the rate at which work is done on the refrigerator and (c) the rate at which heat is exhausted.
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For temperature difference of about 25°C (e.g., 45 – 20°C), the COP may be about 2.5, while for the difference of about 8 °C (e.g., 30 – 22°C), the COP may reach 3.5.. But if that is the interpretation, then if you run at 75% of the Carnot cycle efficiency, then a COP of 10 with 75% efficiency corresponds to a Carnot efficiency of $(0. ....

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