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 43, Problem 7RQ
Why is it important to have drainage for the outdoor unit?
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Can you show explaination and working. The answer from the text book is Q=5.03 X 10^-3
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Chapter 43 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 43 - How does a heart pump resemble a refrigeration...Ch. 43 - Name the three common sources of heat for heat...Ch. 43 - What large line connects the indoor unit to the...Ch. 43 - Why is the indoor unit not called an evaporator?Ch. 43 - When is the outdoor unit called an evaporator? A....Ch. 43 - The indoor coil is called a condenser during...Ch. 43 - Why is it important to have drainage for the...Ch. 43 - Which metering device is most efficient in heat...Ch. 43 - Where is the only permanent suction line on a heat...Ch. 43 - What type of drier may be used in the liquid line...
Ch. 43 - Where must a suction-line drier be placed in a...Ch. 43 - What controls the heat pump to determine whether...Ch. 43 - Can a heat pump switch from heating to cooling and...Ch. 43 - What must be done when frost and ice build up on...Ch. 43 - True or False: All heat pumps are practical...Ch. 43 - Why are scroll compressors more efficient than...Ch. 43 - Describe why variable-speed compressor motors are...
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- Can you provide steps and an explaination on how the height value to calculate the Pressure at point B is (-5-3.5) and the solution is 86.4kPa.arrow_forwardPROBLEM 3.46 The solid cylindrical rod BC of length L = 600 mm is attached to the rigid lever AB of length a = 380 mm and to the support at C. When a 500 N force P is applied at A, design specifications require that the displacement of A not exceed 25 mm when a 500 N force P is applied at A For the material indicated determine the required diameter of the rod. Aluminium: Tall = 65 MPa, G = 27 GPa. Aarrow_forwardFind the equivalent mass of the rocker arm assembly with respect to the x coordinate. k₁ mi m2 k₁arrow_forward
- 2. Figure below shows a U-tube manometer open at both ends and containing a column of liquid mercury of length l and specific weight y. Considering a small displacement x of the manometer meniscus from its equilibrium position (or datum), determine the equivalent spring constant associated with the restoring force. Datum Area, Aarrow_forward1. The consequences of a head-on collision of two automobiles can be studied by considering the impact of the automobile on a barrier, as shown in figure below. Construct a mathematical model (i.e., draw the diagram) by considering the masses of the automobile body, engine, transmission, and suspension and the elasticity of the bumpers, radiator, sheet metal body, driveline, and engine mounts.arrow_forward3.) 15.40 – Collar B moves up at constant velocity vB = 1.5 m/s. Rod AB has length = 1.2 m. The incline is at angle = 25°. Compute an expression for the angular velocity of rod AB, ė and the velocity of end A of the rod (✓✓) as a function of v₂,1,0,0. Then compute numerical answers for ȧ & y_ with 0 = 50°.arrow_forward
- 2.) 15.12 The assembly shown consists of the straight rod ABC which passes through and is welded to the grectangular plate DEFH. The assembly rotates about the axis AC with a constant angular velocity of 9 rad/s. Knowing that the motion when viewed from C is counterclockwise, determine the velocity and acceleration of corner F.arrow_forward500 Q3: The attachment shown in Fig.3 is made of 1040 HR. The static force is 30 kN. Specify the weldment (give the pattern, electrode number, type of weld, length of weld, and leg size). Fig. 3 All dimension in mm 30 kN 100 (10 Marks)arrow_forward(read image) (answer given)arrow_forward
- A cylinder and a disk are used as pulleys, as shown in the figure. Using the data given in the figure, if a body of mass m = 3 kg is released from rest after falling a height h 1.5 m, find: a) The velocity of the body. b) The angular velocity of the disk. c) The number of revolutions the cylinder has made. T₁ F Rd = 0.2 m md = 2 kg T T₂1 Rc = 0.4 m mc = 5 kg ☐ m = 3 kgarrow_forward(read image) (answer given)arrow_forward11-5. Compute all the dimensional changes for the steel bar when subjected to the loads shown. The proportional limit of the steel is 230 MPa. 265 kN 100 mm 600 kN 25 mm thickness X Z 600 kN 450 mm E=207×103 MPa; μ= 0.25 265 kNarrow_forward
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