A certain application requires maintaining the refrigerated space at - 32oC. Would you recommend a simple refrigeration

Question:

A certain application requires maintaining the refrigerated space at - 32oC. Would you recommend a simple refrigeration cycle with refrigerant-134a or a two-stage cascade refrigeration cycle with a different refrigerant at the bottoming cycle? Why?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Thermodynamics An Engineering Approach

ISBN: 978-0073398174

8th edition

Authors: Yunus A. Cengel, Michael A. Boles

See More Books

Question Posted: Apr 01, 2016 05:30 AM

See More Questions

A certain application requires a ball bearing with the inner ring rotating, with a design life of 30 000 h at a speed of 300 rev/min. The radial load is 1.898 kN and an application factor of 1.2 is...
A certain application requires a ball bearing with the inner ring rotating, with a design life of 25 kh at a speed of 350 rev/min. The radial load is 2.5kN and an application factor of 1.2 is...
A certain application requires maintaining the refrigerated space at -32C. Would you recommend a simple refrigeration cycle with refrigerant-134a or a two-stage cascade refrigeration cycle with a...
The Sooner Equipment Company has total assets of $100 million. Of this total, $40 million was financed with common equity and $60 million with debt (both long- and short-term). Its average accounts...
On July 1, 2014, Stan Getz, Inc., bought call option contracts for 500 shares of Selmer Manufacturing cotton stock. The contracts cost $200, expire on September 15, and have an exercise price of $40...
From the following information, draw up the trading account section of the statement of profit or loss of C. Dale for the year ending 31 January 2016, which was his first year in business: Carriage...
McDonald and Ayers [1978] present data from an early study that examined the possible link between air pollution and mortality. Table B. 15 summarizes the data. The response MORT is the total...
The following information has been collected regarding Burton Dee Company: Free cash flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Kingsport Containers Company makes a single product with wide seasonal variations in demand. The company uses a job - order costing system and computes plantwide predetermined overhead rates on a...
Evaluate the following integral in cylindrical coordinates. 2 14- x2 1 S S S 1 dz dy dx y? -2 1 +x + - 2 2 2 2 14- x? 1 1 dz dy dx = 2 1+x +y2 - 2 (Type an exact answer, using T as needed.)
Reconsider Prob. 11-46. Using EES (or other) software, investigate the effect of varying the compressor isentropic efficiency over the range 60 to 100 percent. Plot the power input to the compressor...
A two-stage compression refrigeration system operates with refrigerant-134a between the pressure limits of 1.4 and 0.10 MPa. The refrigerant leaves the condenser as a saturated liquid and is...
A circle, C, has equation x 2 + y 2 4x + 6y = 12 a. Show that the point A(5, 1) lies on C and find the centre and radius of the circle. b. Find the equation of the tangent to C at point A. Give your...
Consider the following reaction: CO(g) + 2 H(g) CH3OH(g) A reaction mixture at 400 K initially contained CO and H at partial pressures of 0.750 and 1.000 bar, respectively. At equilibrium, the...
The reaction A + 2B C has the rate law rate = K[A][B]. By what factor does the rate of reaction increase when both [A] and [B] are doubled?
3) The vapor pressure of methanol (CH3OH) at 27C is 140.86 torr. What is the vapor pressure of a 1.1m CaCl in methanol?
Compute the pressure in bar of hydrogen gas produced at 304 K in a container of volume 5.64 L that results when 2.53 g of aluminum react with 31.9 mL of a 0.396 mol L-1 sulfuric acid solution. You...
Scenario for skill 6 questions 5-8: you measured the mass of a coin using three different balances with varying levels of precision (Experiment B). You are pretty sure the balance you used for trial...
Consider the wave function where A, , and are positive real constants. (Well see in Chapter 2 for what potential (V) this wave function satisfies the Schrdinger equation.) (a) Normalize . (b)...
During registration at Tech every quarter, students in the Department of Management must have their courses approved by the departmental advisor. It takes the advisor an average of 4 minutes...
Air in a piston/cylinder at 30 lbf/in.2, 1080 R. It is expanded in a constant-pressure process to twice the initial volume (state 2). The piston is then locked with a pin, and heats is transferred to...
A 30-ft high cylinder, cross-sectional area 1 ft2, has a mass less piston at the bottom with water at 70 F on top of it. Air at 540 R, volume 10 ft3 under the piston is heated so that the piston...
An air pistol contains compressed air in a small cylinder, as shown in Fig. P5.112. Assume that the volume is 1 in.3, pressure is 10 atm, and the temperature is 80 F when armed. A bullet, m = 0.04...
Draw the shear diagram for the beam. Set P = 600 lb, a = 5 ft, b = 7 ft. Draw the moment diagram for the beam.
Ahmed, Bassem and Jamal are partners in Tadamon Company who share profits and losses at a ratio of 2 : 2 : 4 respectively. On 1 / 1 / 2 0 2 2 , it was decided to liquidate the company, and the...
Draw the shear diagram for the beam. Follow the sign convention. Draw the moment diagram for the beam. Follow the sign convention.

A certain application requires maintaining the refrigerated space at - 32oC. Would you recommend a simple refrigeration

Question:

Step by Step Answer:

The saturation pressure of refrigerant134a at 32 o C is ...View the full answer

Thermodynamics An Engineering Approach

Students also viewed these Mechanical Engineering questions