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This section contains a set of Review Problems for each chapter. The problems for any chap
ter can be obtained by clicking on the desired chapter number below. In the problem state
ments, the phrases within parentheses refer to the main topics to be used in solving the prob
lems. The answer to each problem accompanies the problem statement. A complete, detailed
solution to each problem can be obtained by clicking on the answer for that problem.
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
R1
R
eview Problems
Review Problems for Chapter 1
Click on the answers of the review problems to go to the de
tailed solutions.
1.1R (Dimensions)
During a study of a certain flow sys
tem the following equation relating the pressures
and
at
two points was developed:
In this equation
V
is a velocity,
the distance between the two
points,
D
a diameter,
g
the acceleration of gravity, and
f
a di
mensionless coefficient. Is the equation dimensionally consistent?
(ANS: No)
1.2R (Dimensions)
If
V
is a velocity,
a length,
a
weight, and
a fluid property having dimensions of
de
termine the dimensions of:
(a)
(b)
(c)
and
(d)
(ANS:
2
1.3R (Units)
Make use of Table 1.4 to express the follow
ing quantities in BG units:
(a)
465 W,
(b)
92.1 J,
(c)
(d)
(e)
(ANS:
)
3.03
3
10
2
6
ft
3
; 2.46 slugs
/
ft
2
3.43
3
10
2
ft
?
lb
/
s; 67.9 ft
?
lb; 11.2 lb
/
ft
2
;
386 kg
/
m
2
.
85.9 mm
3
,
536 N
/
m
2
,
L
4
T
2
2
; F
2
L
2
1
T; FL
2
2
; L
V
/
2
m
/
w
.
V
m
/
/
,
w
m
/
,
V
/
w
/
m
,
FL
2
2
T
,
m
w
/
/
p
2
5
p
1
1
f
/
V
Dg
p
2
p
1
1.4R (Units)
A person weighs 165 lb at the earth’s surface.
Determine the person’s mass in slugs, kilograms, and pounds mass.
(ANS: 5.12 slugs; 74.8 kg; 165 lbm)
1.5R (Specific gravity)
Make use of Fig. 1.1 to determine
the specific gravity of water at 22 and
What is the spe
cific volume of water at these two temperatures?
(ANS: 0.998; 0.966;
2
1.6R (Specific weight)
A 1ftdiameter cylindrical tank that
is 5 ft long weighs 125 lb and is filled with a liquid having a
specific weight of
Determine the vertical force re
quired to give the tank an upward acceleration of
(ANS: 509 lb up)
1.7R (Ideal gas law)
Calculate the density and specific
weight of air at a gage pressure of 100 psi and a temperature
of
Assume standard atmospheric pressure.
(ANS:
)
1.8R (Ideal gas law)
A large dirigible having a volume of
contains helium under standard atmospheric condi
tions
1
abs
2
and
Determine the density and total weight of the helium.
(ANS:
)
0.169 kg
/
m
3
; 1.49
3
10
5
N
temperature
5
15 °C
4
.
3
pressure
5
101 kPa
90,000 m
3
1.72
3
10
2
2
slugs
/
ft
3
; 0.554 lb
/
ft
3
100 °F.
9 ft
/
s
2
.
69.6 lb
/
ft
3
.
1.035
3
10
2
3
m
3
/
kg
1.002
3
10
2
3
m
3
/
kg;
89 °C.
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View Full Document1.9R (Viscosity)
A Newtonian fluid having a specific grav
ity of 0.92 and a kinematic viscosity of
flows
past a fixed surface. The velocity profile near the surface is
shown in Fig. P1.9R. Determine the magnitude and direction
of the shearing stress developed on the plate. Express your an
swer in terms of
U
and
with
U
and
expressed in units of
meters per second and meters, respectively.
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 Spring '08
 USaxena

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