Question: Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg liquid water at 10oC. Assume

Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg liquid water at 10oC. Assume the refrigerator has β = 3.5 and a motor-compressor of 750 W. How much time does it take if this is the only cooling load?

Step by Step Solution

★★★★★

3.37 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

CV Water in tray We neglect tray mass Energy Eq mu 2 u 1 1 Q 2 1 W 2 P... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

774-P-T-S-L (408).docx

120 KBs Word File

Students Have Also Explored These Related Thermodynamics Questions!

Calculate the amount of water (in grams) that must be added to (a) 5.00 g of urea (NH 2 ) 2 CO in the preparation of a 16.2 percent by mass solution, (b) 26.2 g of MgCl 2 in the preparation of a 1.5...

Calculate the amount of heat evolved when 3.5 104 kg of hydrogen is combusted. 2H2(g) + O2(g) 2H2O(g) H = 484 kJ

Calculate the amount of heat liberated (in kJ) from 366 g of mercury when it cools from 77.0C to 12.0C?

Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg liquid water at 10oC. Assume the refrigerator has = 3.5 and a motor-compressor of 750 W. How much...

Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg liquid water at 10oC. Assume the refrigerator works in a Carnot cycle between 8oC and 35oC with a...

Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0 . 2 5 kg liquid water at 1 0 oC . Assume the refrigerator works in a Carnot cycle between 8 oC and 3 5 oC...

Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.25 kg liquid water at 10oC. Assume the refrigerator works in a Carnot cycle between 8oC and 35oC with a...

Calculate the amount of work input a refrigerator needs to make ice cubes out of a tray of 0.5 lbm liquid water at 50 F. Assume the refrigerator has = 3.5 and a motor-compressor of 750 W. How much...

Calculate the amount of work input a freezer needs to make ice cubes out of a tray of 0 . 2 5 kg liquid water at 1 0 C . Assume the freezer works in a Carnot cycle between 8 C and 3 5 C with a motor...

A freezer needs to make ice cubes out of a tray of 0.25 kg liquid water at 10 C. Assume the freezer works in a Carnot cycle between -8 C and 35 C with a motor compressor of 600 W. How much time does...

Prove that, if it exists, the adjoint of a linear function is uniquely determined by (7.74).

Jack spots an advertisement in a magazine for kids toys being sold by Kiddies R Us. In the advertisement, toys are advertised for low prices. The advertisement states that prices start from as little...

What is the average weight of a shipment going to the city of New York with a shipping date in November or December? Name the column Average _ Weight. Round the answer to the nearest pound ( zero...

A case of 24 cans contains 1 can that is contaminated. Three cans are to be chosen randomly for testing. a. How many different combinations of 3 cans could be selected? b. What is the probability...

Air is flowing in a 10-cm-constant diameter pipe at 50 m/s. At section 1 the temperature and pressure are 60C and 400 kPa, respectively. Heat is added to the air, and at section 2 downstream the...

If water leaves the nozzle of a) Problem 4.25 a b) Problem 4.25 b c) Problem 4.25 c and exits to the atmosphere at 0 kPa gage, estimate the gage pressure of the water upstream where Ñ´1...

Steam enters the adiabatic turbine of Fig. 4.50 at 10 MPa and 600°C. If the mass flow rate of the steam is 2 kg/s, determine the power output of the turbine if the steam leaves at a) 20 kPa with...

Complex Systems has an outstanding issue of $1000-par-value bonds with a 12% coupon interest rate. The issue pays interest annually and has 16 years remaining to its maturity date. a) if bonds of...

Which of the following statements is most correct? Diversifiable risk is caused by events unique to a single busness Portfolio risk is caused by events unique to a single busoess Addng similar...

Kevin pays $310.35 for a car lease at the beginning of every half-year for 19 years at 3.98% compounded semi-annually. a. What type of annuity is this? o Ordinary simple annuity o Ordinary general...