Heating Ventilating and Air Conditioning: Analysis and Design
6th Edition
ISBN: 9780471470151
Author: Faye C. McQuiston, Jeffrey D. Spitler, Jerald D. Parker
Publisher: Wiley, John & Sons, Incorporated
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Textbook Question
Chapter 4, Problem 4.30P
Solve Problem 4-28 assuming that the filter is in location A in Fig. 4-9.
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Solve the given IVP:
d²r
dr
6 -
+ 10r = 0; r(0) = 2,r' (0) = 3
dt
dt2
Problem 4: For the following mechanism, (a) Find all instant centers (
(b) Find the mechanical advantage (MA) of the mechanism
Drawing is to-scale.
TMM
1
Fin
2
MM
THIM
1
Fout
Example Problem 4-1, (page 141). [Ref.1]:
The shaft shown in Figure 4-7 is supported by two bearings and carries
two V-belt sheaves. The tensions in the belts exert horizontal forces on the shaft,
tending to bend it in the X-Z plane. Sheave B exerts a clockwise torque on the
shaft when viewed toward the origin of the coordinate system along the X-axis.
Sheave C exerts an equal but opposite torque on the shaft. For the loading
condition shown, determine the principal stresses and the maximum shear
stress on element K on the front surface of the shaft (on the positive Z-side) just
to the right of sheave B, Follow the general procedure for analyzing combined
stresses given in this section.
Page 2 of 8
100 mm
100 mm
50 mm
Stress
T B element.
T.
50 mm
100 mm
в 100 mm
C
D
Shaft dia. = 32 mm
FB=2440 N Fc=1220 N RD
T= Torque = 120 N.m
(b) Forces acting on shaft at B and C caused
by belt drives
(a) Pictorial view of shaft
Chapter 4 Solutions
Heating Ventilating and Air Conditioning: Analysis and Design
Ch. 4 - Using Fig. 4-1, draw a conclusion about the...Ch. 4 - Using Fig. 4-1, draw a conclusion about the...Ch. 4 - Select comfortable summer design conditions (dry...Ch. 4 - It is desired to use a space as a large classroom...Ch. 4 - An indoor tennis facility finds that it has...Ch. 4 - Work Problem 4-5 for an average air speed at court...Ch. 4 - In an occupied space the mean air velocity is...Ch. 4 - An occupied space is being held at 76 F (24 C) and...Ch. 4 - What do you think is the best thermostat setting...Ch. 4 - With the air conditioning running and the...
Ch. 4 - Discuss how an emergency government mandate to set...Ch. 4 - In the heating seasons the heat loss from a...Ch. 4 - Air motion can be good or bad, depending on the...Ch. 4 - To save energy in large, chilled water systems,...Ch. 4 - Overhead fans (Casablanca fans) are often reversed...Ch. 4 - A school classroom is designed for 30 people. (a)...Ch. 4 - Carbon dioxide is being generated in an occupied...Ch. 4 - Each person in a room is assumed to be producing...Ch. 4 - An air-handling system must handle 2000 cfm with a...Ch. 4 - Prob. 4.20PCh. 4 - How many filter modules will be required using the...Ch. 4 - Work Problem 4-21 assuming that the filter is a...Ch. 4 - The M-200, 0.60.60.2 filters of Table 4-3 are to...Ch. 4 - Investigate the feasibility of using 100 percent...Ch. 4 - Work Problem 4-24 but replace the 100 percent...Ch. 4 - Using M-15 filter media and the requirement of 60...Ch. 4 - A filter system is available that will filter out...Ch. 4 - A maximum of 10 smokers are anticipated in a smong...Ch. 4 - Solve Ex. 4-4 assuming that the filter is in...Ch. 4 - Solve Problem 4-28 assuming that the filter is in...Ch. 4 - Fora 3000-ft3 combination and exercise operation,...Ch. 4 - A classroom with a capacity of 225 people is...
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