Outdoor air is mixed with room return air to reduce the refrigeration load on a cooling coil. (a) For a space condition of 77 F (25 C) db and 68 F (20 C) wb, describe the maximum wet bulb and dry bulb temperatures that will reduce the coil load. (b) Suppose a system is designed to supply 10,300 cfm (5 m3/s) at 64 F (18 C) db and 63 F (17 C) wb to a space maintained at the conditions given in part (a) above. What amount of outdoor air at 68 F (20 C) db and 90 percent relative humidity can be mixed with the return air if the coil SHF is 0.6? (c) What is the apparatus dew point in part (b) above? (d) Compare the coil refrigeration load in part (b) above with the outdoor air to that without outdoor air. Assume sea-level pressure.
![Check Mark](/static/check-mark.png)
Want to see the full answer?
Check out a sample textbook solution![Blurred answer](/static/blurred-answer.jpg)
Chapter 3 Solutions
Heating, Ventilation, and Air Conditioning: Analysis and Design
- Please measure the size of the following object, and then draw the front, top and side view in the AutoCAD (including the printing) just one arrow for this one 30arrow_forwardQuestion 5 Calculate the Moment about the point B in Nx m B 500 N A 2 m 1.2 m 0.8 m 300 N 7arrow_forwardPlease helparrow_forward
- Question 3 Calculate the Moment about the point B in Nxm A 300 N 2 m 500 N 4 B с 0.8 m 1.2 marrow_forwardSolve this problem and show all of the workarrow_forwardGiven that an L-shaped member (OAB) can rotate about OA, determine the moment vector created by the force about the line OA at the instant shown in the figure below. OA lies in the xy-plane, and the AB part is vertical. Express your answer as a Cartesian vector.arrow_forward
- Determine the magnitude of the moment created by the force about the point A.arrow_forward= MMB 241- Tutorial 1.pdf 2/3 80% + + 10. Determine a ats = 1 m v (m/s) 4 s (m) 2 11. Draw the v-t and s-t graphs if v = 0, s=0 when t=0. a (m/s²) 2 t(s) 12. Draw the v-t graph if v = 0 when t=0. Find the equation v = f(t) for each a (m/s²) 2 segment. 2 -2 13. Determine s and a when t = 3 s if s=0 when t = 0. v (m/s) 2 t(s) t(s) 2arrow_forwardQ.5) A cylinder is supported by spring AD and cables AB and AC as shown. The spring has an at rest length (unstretched length) of 4 meters. If the maximum allowable tension in cables AB and AC is 200 N, determine (a) the largest mass (kg) of cylinder E the system can support, (b) the necessary spring constant (stiffness) to maintain equilibrium, and (b) the tension (magnitude) in each cable when supporting the maximum load found in part (a). B 4 m 3 m A E 1 m 3 m D 5 marrow_forward
- Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
![Text book image](https://www.bartleby.com/isbn_cover_images/9780190698614/9780190698614_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9780134319650/9780134319650_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781259822674/9781259822674_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781118170519/9781118170519_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781337093347/9781337093347_smallCoverImage.gif)
![Text book image](https://www.bartleby.com/isbn_cover_images/9781118807330/9781118807330_smallCoverImage.gif)