Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Chapter 7, Problem 10RQ
Describe the procedures for making a flare for joining copper tubing.
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FIGURE P1.37
1.38 WP As shown in Figure P1.38, an inclined manometer is used
to measure the pressure of the gas within the reservoir, (a) Using data
on the figure, determine the gas pressure, in lbf/in.² (b) Express the
pressure as a gage or a vacuum pressure, as appropriate, in lbf/in.²
(c) What advantage does an inclined manometer have over the U-tube
manometer shown in Figure 1.7?
Patm = 14.7 lbf/in.²
L
I
C
i
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a
Oil (p = 54.2 lb/ft³)
140°
8=32.2 ft/s²
15 in.
what is an low pressure Heater, what are formulas, and their importance, define the diagram, and give me a script on how to explain the design of an air preheater, and how did values end up in that number. based on standards
what is an air preheater, what are formulas, and their importance, define the diagram, and give me a script on how to explain the design of an air preheater, and how did values end up in that number. based on standards
Chapter 7 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 7 - The standard weight of copper tubing used most...Ch. 7 - The size of 1/2 in. would refer to the...Ch. 7 - The size of 1/2 in. would refer to the _______...Ch. 7 - In what size rolls is soft copper tubing normally...Ch. 7 - Why are some ACR tubing lines insulated?Ch. 7 - Describe procedures for bending soft copper...Ch. 7 - Describe the procedure for cutting tubing with a...Ch. 7 - What type of solder is suitable for moderate...Ch. 7 - Describe the steps for making a good soldered...Ch. 7 - Describe the procedures for making a flare for...
Ch. 7 - The portion of a compression fitting that actually...Ch. 7 - What is the most common cause of leaking...Ch. 7 - A common filler material used for brazing is...Ch. 7 - When soldering, a flux is used to A. minimize...Ch. 7 - List the procedures used when setting up,...Ch. 7 - Describe the procedure for preparing and threading...Ch. 7 - Describe each part of the thread dimension 1/4-18...
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- Question 1. A tube rotates in the horizontal ry plane with a constant angular velocity w about the z-axis. A particle of mass m is released from a radial distance R when the tube is in the position shown. This problem is based on problem 3.2 in the text. R m 2R Figure 1 x a) Draw a free body diagram of the particle if the tube is frictionless. b) Draw a free body diagram of the particle if the coefficient of friction between the sides of the tube and the particle is = k = p. c) For the case where the tube is frictionless, what is the radial speed at which the particle leaves the tube? d) For the case where there is friction, derive a differential equation that would allow you to solve for the radius of the particle as a function of time. I'm only looking for the differential equation. DO NOT solve it. 1 e) If there is no friction, what is the angle of the tube when the particle exits? • Hint: You may need to solve a differential equation for the last part. The "potentially useful…arrow_forwardQuestion 2. A smooth uniform sphere of mass m and radius r is squeezed between two massless levers, each of length 1, which are inclined at an angle with the vertical. A mechanism at pivot point O ensures that the angles & remain the same at all times so that the sphere moves straight upward. This problem is based on Problem 3-1 in the text. P P r Figure 2 a) Draw appropriate freebody diagrams of the system assuming that there is no friction. b) Draw appropriate freebody diagrams of the system assuming that there is a coefficient of friction between the sphere and the right lever of μ. c) If a force P is applied between the ends of the levers (shown in the diagram), and there is no friction, what is the acceleration of the sphere when = 30°arrow_forwardIf you had a matrix A = [1 2 3; 4 5 6; 7 8 9] and a matrix B = [1 2 3], how would you cross multiply them i.e. what is the cross product of AxB. what would be the cross product of a dyadic with a vector?arrow_forward
- Problem 3: The inertia matrix can be written in dyadic form which is particularly useful when inertia information is required in various vector bases. On the next page is a right rectangular pyramid of total mass m. Note the location of point Q. (a) Determine the inertia dyadic for the pyramid P, relative to point Q, i.e., 7%, for unit vectors ₁₁, 2, 3.arrow_forwardCan you solve for v? Also, what is A x uarrow_forwardThe external loads on the element shown below at the free end are F = 1.75 kN, P = 9.0 kN, and T = 72 Nm. The tube's outer diameter is 50 mm and the inner diameter is 45 mm. Given: A(the cross-sectional area) is 3.73 cm², Moment inertial I is 10.55 cm4, and J polar moment inertial is 21.1 cm4. Determine the following. (1) The critical element(s) of the bar. (2) Show the state of stress on a stress element for each critical element. -120 mm- Farrow_forward
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