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 2, Problem 24RQ
Describe horsepower and list the three quantities needed to determine horsepower.
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Copyright 2013 Pearson Education, publishing as Prentice Hall
2. Determine the force that the jaws J of the metal cutters exert on the smooth cable C if 100-N
forces are applied to the handles. The jaws are pinned at E and A, and D and B. There is also
a pin at F.
E
400 mm
15°
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B
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20 mm
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15°
100 N
100 N
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Draw for it make a match which direction
Q.1) Block A is connected to block B by a pulley
system as shown. The weights of blocks A and B
are 100 lbs and 70 lbs, respectively. Assume
negligible friction between the rope and all pulleys
as well as between block B and the incline and
neglect the mass of all pulleys and cables.
Determine the angle 0 required to keep the system
in equilibrium. (At least two FBDs must be drawn
for full credit)
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Chapter 2 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 2 - Matter is a substance that occupies space and has...Ch. 2 - What are the three states in which matter is...Ch. 2 - ________ is the term used for water when it is in...Ch. 2 - In what direction does a solid exert force?Ch. 2 - In what direction does a liquid exert force?Ch. 2 - Vapor exerts pressure in what direction? A....Ch. 2 - Define density.Ch. 2 - Define specific gravity.Ch. 2 - Describe specific volume.Ch. 2 - Why does an object weigh less on the moon than on...
Ch. 2 - The density of tungsten is 1210 lb/ft3. What would...Ch. 2 - The specific volume of red brass is 0.001865...Ch. 2 - Aluminum has a density of 171 lb/ft3. What would...Ch. 2 - Four pounds of a gas occupy 10 ft3. What would be...Ch. 2 - Why is information regarding the specific volume...Ch. 2 - Whose law states that the volume of a gas varies...Ch. 2 - At a constant pressure, how does a volume of gas...Ch. 2 - Describe Dalton's law as it relates to a confined...Ch. 2 - What are the two types of energy most frequently...Ch. 2 - How were fossil fuels formed?Ch. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - If an air-conditioning compressor weighing 300lb...Ch. 2 - Describe horsepower and list the three quantities...Ch. 2 - How many watts of electrical energy are equal to 1...Ch. 2 - How many Btu of heat can be produced by 4 kWh...Ch. 2 - How many Btu/h would be produced in a 12-kW...Ch. 2 - What unit of energy does the power company charge...Ch. 2 - If 3000 ft3 of air is crossing an evaporator coil...Ch. 2 - A gas is compressed inside a compressor's...
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