Homework #1
Suggested Problem: 2.1, 2.2, 2.9, 2.34, 2.41, 2.51, 2.53, 2.54
1.
2.
3.
4.
What are different types of fluids? [2]
Which type of fluid is more compressible? [2]
Which fluid property is affected by compressibility? [2]
Find the total weight of

7.9: PROBLEM' DEFINITION
Situation:
There is a linear velocity distribution in a rectangular channel.
Find:
Kinetic energy correction factor: a
1. Use the deﬁnition of oz (Eq. 7.21 in EFMQe), and then do a term—by—term analysis.
2. Combine terms.
1. Deﬁ

8.5: PROBLEM DEFINITION
Situation:
' Consider variables:
(a) T (torque).
(b) pV2/2-
(C) \/ T/p-
(d) 62/ N D3-
Find:
Determine the dimensions of the variables.
a[T]=J‘j{_2LxL:Aéré2
b WW = <%> e)? = 8.17: PROBLEM DEFINITION
Situation:
A solid particle f

15.4: PROBLEM DEFINITION
Situation:
Uniform flow of water in two channels.
Same slope, same wall roughness7 same cross—sectional area.
Find:
Relate ﬂow rates of two channels.
Use Manning Equation for steady uniform open channel ﬂow.
1.49 2 3
Q —ARh/ 31/

10.8: PROBLEM DEFINITION
Situation:
Water is ﬂowing from a tank through a tube & then discharging to ambient.
D = 0.008m, L = 6m.
H = 3111, f = 0.015.
Sketch:
Find:
Exit velocity (m/s).
Discharge (L/s).
Sketch the HGL & EGL.
Assumptions:
The only

Chapter 1 & 2:
Difference between solid and fluid from fluid mechanics point of view.
What does viscosity represent?
Effect of temperature and pressure on density and viscosity of fluid.
The concept of continuum in fluid mechanics.
Difference between gage

Chapter 5 & 6:
Under what conditions mass conservation reduces to volume conservation?
What is a control volume?
What do steady flows mean in terms of mass conservation and momentum conservation?
What are the direction and orientation of unit normal vecto

WhaChapter 4:
What is a streamline?
What are different components of accelerations?
What is irrotational flow/ideal fluid/non viscous or inviscid fluid?
Bernoullis equation along a streamline versus any two points in the flow field.
If the pressure reduce

Chapter 7:
The meaning of terms in the energy equation.
What is and how is it calculated?
What does steady flow mean in terms energy conservation?
How do you convert a quantity given in head into power?
What do energy grade line and hydraulic grade line r

Chapter 8:
Why is dimensional analysis important?
What are the rules for selecting repeating variables?
What are the primary dimensions?
What is similitude and how do we achieve it?
Knowledge of Reynolds number, Froude number, Weber number, and Mach numbe

Chapter 10:
How does friction loss vary with pipe diameter and velocity?
What are components of headloss?
What are some of the minor losses in the pipe system?
What is physical difference between laminar and turbulent flow?
Which type of flow is more cond

3.11: PROBLEM DEFINITION
Situation:
A closed tank contains air7 oil, and water.
Find:
Speciﬁc gravity of oil.
Pressure at C (kPa—gage).
Sketch:
pA = 50.0 kPa
p3 = 58.53 kPa
pc = 7
CROWE: Fluid Mechanics 8e
Prob. 3—7 w—55
Properties:
Water (10°

6.1: PROBLEM DEFINITION
Situation:
Inertial reference frame.
Find:
Deﬁnition of inertial reference frame.
The inertial reference is any frame in which Newton’s first and second laws are valid.
It is any frame which is neither rotating nor accelerating wit

Homework #3
Suggested Problem: 4.19, 4.20, 4.27, 4.50, 4.60, 4.61, 4.95, 4.99
1. The velocity at a point in a pipe is 1.5 m/s. It is estimated that the velocity is changing 0.2 m/s
per second at that point and due to the area change the velocity in the fl

Homework #2
Suggested Problem: 3.11, 3.13, 3.17, 3.34, 3.44, 3.63, 3.68, 3.73, 3.76, 3.90, 3.93
1. Find the specific gravity of the oil in the tank shown, where h 1 =0.7 m, h 2 =1.5 m, and h 3 =2 m.
The pressure reading of gage A is 35 kPa and that of gag

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 5
Suggested Problems: 5.8, 5.12, 5.18, 5.46, 5.49, 5.74, 5.88
1. Air flows steadily from section 1 to section 2 in a 8 cm diameter pipe. Pressure,
temperature, and velocity at section 1

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 7
Suggested Problems: 7.9, 7.21, 7.32, 7.33, 7.38, 7.42, 7.45, 7.51,
7.53, 7.75, and 7.80
1. Find the discharge through a 1 cm diameter nozzle at point E. If the diameter of pipe BD
is 2

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 6
Suggested Problems: 6.1, 6.2, 6.3, 6.11, 6.15, 6.20, 6.29, 6.30, 6.45,
and 6.70
1. Find the force required (a) when the plate is stationary and (b) when the plate is moving at
5 m/s un

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 8
8.5, 8.17, 8.23, 8.33, 8.35, 8.43, 8.58, and 8.72
1.
Derive an expression for the flow rate per unit width, q over the spillway as shown in the
figure below. Assume the depth of water

CE 3410: Introduction to Fluid Mechanics
Homework Problems: Chapter: 10
Suggested Problems: 10.8, 10.11, 10.20, 10.38, 10.45, 10.53, 10.55, 10.58, 10.63,
10.79, 10.83
1.
2.
3.
4.
Water at 20 oC is flowing steadily in a 5 cm diameter steel pipe at a flow r

5.8: PROBLEM DEFINITION
Situation:
A pipe carries air.
V = 20 m/s, D = 0.08m.
Find:
Mass ﬂow rate (kg/ m3).
Properties:
Air (20°C, 200 kPa) Table A.2: R = 287 J/ kg K.
1. Use Ideal Gas Law to ﬁnd density.
2. Use Mass Flow Rate equation to ﬁnd m.
1. Idea

4.19: PROBLEM DEFINITION
Situation:
Flow occurs in a tapered passage. The velocity is given as
V = 5m/s — 2.25%111/8, BV/Bs = +28_1, t0 = 0.5 s.
Find:
(a) local acceleration at section AA 52).
(b) Convective acceleration at section AA (111/ s2).
a) Local

2.1: PROBLEM DEFINITION
Find:
HOW density differs from speciﬁc weight
Consider their deﬁnitions (conceptual and mathematical) _ '
SOLUTION
Density is a [mass] / [unit volume], and speciﬁc weight is a [weight] /[unit volume].
Therefore, the are related by

Chapter 15:
Uniform and non-uniform flow in open channels.
What are subcritical, supercritical, and critical flows based on Froude number and E-Y
diagram?
What are mild slope, steep slope, and critical slope?
What is the best hydraulic or most efficient s