A refrigerator is used to cool water from 23 to 5C in a continuous manner. The heat
Question:
A refrigerator is used to cool water from 23 to 5°C in a continuous manner. The heat rejected in the condenser is 570 kJ/min and the power is 2.65 kW. Determine the rate at which water is cooled in L/min and the COP of the refrigerator. The specific heat of water is 4.18 kJ/kg·°C and its density is 1 kg/L.
Step by Step Answer:
A refrigerator is used to cool water to a specified temperature The power input is give...View the full answer
Thermodynamics An Engineering Approach
ISBN: 9781259822674
9th Edition
Authors: Yunus Cengel, Michael Boles, Mehmet Kanoglu
Related Video
Density helps us predict whether something will float. Density is super important to consider when building things like ships and submarines. The experiment in the video examines the water density by comparing a glass of water containing sugar with a simple glass of water
Students also viewed these Engineering questions
-
Find all distinct eigenvalues of A. Then find the basic eigenvectors of A corresponding to each eigenvalue. For each eigenvalue, specify the number of basic eigenvectors corresponding to that...
-
Water is used to cool R134a in the condenser of Fig. 4.61. The refrigerant enters the counter flow heat exchanger at 800 kPa, 80°C and a mass flow rate of 2 kg/s. The refrigerant exits as a...
-
The drinking water needs of a production facility with 20 employees are to be met by a bobbler type water fountain. The refrigerated water fountain is to cool water from 22 to 8°C and supply cold...
-
In Exercises 5 and 6, the transition matrix P for a Markov chain with states 0 and 1 is given. Assume that in each case the chain starts in state 0 at time n = 0. Find the probability that the chain...
-
Estimate the implied volatility of the August 165 call. Compare your answer with the one you obtained in problem 12. Use trail and error. Stop when your answer is within 0.01 of the true implied...
-
Whiskey Industries Ltd., a Nanaimo, British Columbiabased company, has a December 31 year end. The companys comparative statement of financial position and its statement of income for the most recent...
-
The fixed budget performance report for the year ended 30 June 2025 for Motueka Mint is as follows. Required (a) Convert the fixed budget performance report prepared by Motueka Mint to a flexible...
-
Review Exhibits 1 and 2; audit memos G-3 and G-4; and audit schedules G-5, G-6 and G-7. Based on your review, answer each of the following questions: (a) Why are different materiality bases...
-
Gable Company uses three activity pools. Each pool has a cost driver. Information for Gable Company follows: Activity Pools Total Cost of Pool Cost Driver Estimated Cost Driver Machining $ 171,100...
-
Draw and label the given stream and derive expression for the indicated quantities in terms of labeled variables. the solution of part (a )is given as an illustration. A continuous stream contains...
-
A heat pump with a COP of 1.4 is to produce a 100,000 Btu/h heating effect. How much power does this device require, in hp?
-
You are an engineer in an electric-generation station. You know that the flames in the boiler reach a temperature of 1200 K and that cooling water at 300 K is available from a nearby river. What is...
-
Nguyen Limited buys land from its president for $390,000 in cash, which is the land's appraised value atthe time of the purchase. The land was purchased by the president 15 years ago for $65,000. (a)...
-
To what extent can social conflict lead to positive social change, and what conditions are necessary for conflict to act as a catalyst for progress and transformation in society ?
-
The market is expected to return 15 percent next year and the risk-free rate is 7 percent. What is the expected rate of return on a stock with a beta of 1.3? The covariance of the market's returns...
-
Use the compound interest formula for continuous compounding to determine the accumulated balance after the stated period. 2) A $\$ 6958$ deposit in an account with an APR of $6.5 \%$ compounded...
-
3. In its natural state, a moist soil has a volume of 0.33 ft and weighs 39.33 lb. The oven- dried weight of the soil is 34.54 lb. The specific gravity of solids (Gs) is 2.67. W (%) W Y Wa (a)...
-
Export or Import, what is the option available for a nation if it has a comparative advantage in the production of agricultural produce over the other country? Explain. Why do a group of economists...
-
Ethic values are essential to most courses taught in college. It is no less important for accounting. Ethics is such a broad term and I think in this class, we will find a deeper understanding to...
-
After graduating from college and working a few years at a small technology firm. Preet scored a high-level job in the logistics department at Amex Corporation. Amex sells high-quality electronic...
-
An adiabatic air compressor is to be powered by a direct-coupled adiabatic steam turbine that is also driving a generator. Steam enters the turbine at 12.5 MPa and 500oC at a rate of 25 kg/s and...
-
Determine the power input for a compressor that compresses helium from 110 kPa and 20C to 400 kPa and 200C. Helium enters this compressor through a 0.1-m2 pipe at a velocity of 9 m/s.
-
Refrigerant 134a enters a compressor with a mass flow rate of 5 kg/s and a negligible velocity. The refrigerant enters the compressor as a saturated vapor at 10°C and leaves the compressor at...
-
An air stripping tower is being designed to treat carbon tetrachloride from 500 to 5 g/L at a temperature of 25 C with a stripping factor of 8. Determine the operating airtowater ratio
-
If the wind force has a magnitude of 65 N , with what tension must the worker pull in order to move the box at a constant velocity? Express your answer with the appropriate units
-
1. Write sonic anemometer, thermal (hot wire) anemometer, cup anemometer, or pitot tube after the statement that best describes its basic principle of operation. [4 points] a. Infers wind speed from...
Study smarter with the SolutionInn App