Chapter 4
Control Volume Energy Analysis
Conservation of Mass
at time t : m mcv t mi
at time t t : m mcv t t me
m mcv t mi mcv t t me
mcv t t mcv t mi me
mcv t t mcv t mi me
t
t t
dmcv
m i m e
dt
dmcv
m i
dt
i
mcv mi
m
e
i
e
m
e
e
In terms of local

91809
62249
1. For the mechanism as shown in Fig. 1, please (a) complete the skeleton drawing with complete
labeling, (b) determine the mobility, with specifying number of links, the type of each joint, and
count the number of each type of joints. [10]
(

104
91805
8th Dec., 2015
62231-17
1. An arbitrary position of a six-link mechanism is shown below. Link 2 is the input, which rotates at a
constant angular velocity 2. The lengths of O1 O2 (r1) is 10 cm. The lengths of link 2 (r2) is 5 cm. Link 6
is the

91805
62231-17
1. A slider crank mechanism is shown in the figure. The offset is 1.0 cm, the length
of link 3 is 3.5 cm. Link 2 is the input link, which rotates with a constant angular
velocity in CCW direction. Please check the transmission angle of thi

91802 62159-45
1.
Dec. 9, 2014
[20%] For the quick-return mechanism shown, link 2 rotates counterclockwise. We know that
r1 = 5 cm, r2 = 3 cm, r4 = 10 cm, r5 = 2 cm, and r6 = 9 cm. Analytically determine the
followings.
(a) the time ratio of the motions

104
27th Oct., 2015
91807
62251
1. Figure 1 shows a front-end loader mechanism.
(a) Draw its skeleton diagram. [5%]
(b) Label each link and each kinematic pair (joint) with a notation in the skeleton diagram. Specify the
type of each joint. [5%]
(c) Deter

102
Oct. 29, 2013
91809
62249
1. [10%] For the mechanism as shown in Fig. 1, please (a) complete the skeleton drawing with complete
labeling, (b) determine the mobility, with specifying number of links, the type of each joint, and count
the number of eac

103 13th Jan., 2015
91809 62249
1. For the mechanism as shown in Fig. 1, H and G are the centers of curvature of links 4 and 5, respectively,
corresponding to location D, and F is that of link 3 corresponding to C, if slider 2 moves with a velocity
of 20

101 30th Oct., 2012
91809
62249
1.
[10 %] For the mechanism as shown in Fig. 1-1, please (a) give its skeleton drawing, and complete
labeling each link and each joint, (b) determine the mobility, with specifying number of links, the type
of each joint, an

91802
Dec.4,2012
62159-45
1. [14%] It is given that r1 = 5 cm,r3 = 5 cm, and r4 = 3.5 cm for a four-bar mechanism. Link 2 is driven at
a constant rate in the counterclockwise direction.
(a) Determine the range of values of r2 so that the transmission ang

Jan. 12, 2016
91802 62159-45
1. [30] For the following mechanism, it is given that r2 = 3 cm, r3 = 6 cm, r4 = 5 cm, AB = 2 cm, BC = 2 cm, and O5C = 6.1 cm. Link 2 rotates
counterclockwise with a constant angular velocity of 10 rad/sec. (a) Draw the velo

Chapter 5
The Second Law of Thermodynamics
Spontaneous processes
Experience tells us:
The inverse process would not take place spontaneously, even though energy could be
conserved.
The initial condition of the system can be restored, but not in a spontan

Chapter 7
Exergy (Availability) Analysis
In previous lectures, energy analysis determines the properties of states of a system
proceeding a process, and entropy analysis determine the requirement and direction of
a process to proceed. Exergy analysis dete

echo off
% DSPdemo See Section 6.10 in the book.
clear all
t = 0:1/6000:2;
signal = cos(2*pi*t);
interference = cos(120*pi*t);
white_noise = randn(size(t);
noise = zeros(size(t);
for n = 2:12001
noise(n) = 0.25*(white_noise(n) - white_noise(n - 1);
end
x

Fundamentals of Engineering Thermodynamics
Chapter 1
Introductory Concepts and Definitions
From Greek words therme (heat) and dynamis (force).
Scope: the consideration of the capacity of hot bodies to produce work (ancient).
dealing generally with energy

Chapter 2
Energy and First Law of Thermodynamics
Energy can be stored within systems in various macroscopic forms. Energy can
also be transformed from one form to another and transferred between systems.
For closed systems, energy can be transferred by wo

CHAPTER
1
Introduction
The eld of digital signal processing (DSP) has experienced a considerable growth in
the past two decades, primarily due to the availability and advancements in digital
signal processors (also called DSPs). Nowadays, DSP systems such

Chapter 3
Evaluating Properties
For closed systems at equilibrium, it is known from observation that not all of
the properties are independent of one another, and the state can be uniquely
determined by giving the values of the independent properties. Val

Chapter 3
Evaluating Properties
For closed systems at equilibrium, it is known from observation that not all of
the properties are independent of one another, and the state can be uniquely
determined by giving the values of the independent properties. Val

Fundamentals of Engineering Thermodynamics
Chapter 1
Introductory Concepts and Definitions
From Greek words therme (heat) and dynamis (force).
Scope: the consideration of the capacity of hot bodies to produce work (ancient).
dealing generally with energy

Chapter 4
Control Volume Energy Analysis
Conservation of Mass
at time t : m mcv t mi
at time t t : m mcv t t me
m mcv t mi mcv t t me
mcv t t mcv t mi me
t
t t
dmcv
m i m e
dt
i
e
mcv t t mcv t mi me
dmcv
m i m e
dt
mcv mi me
i
e
In terms of local prope

Chapter 2
Energy and First Law of Thermodynamics
Energy can be stored within systems in various macroscopic forms. Energy can
also be transformed from one form to another and transferred between systems.
For closed systems, energy can be transferred by w

5th Jan., 2016
Quiz # 9 of the course Mechanisms I of ME, NCKU
91802
62159-45
1. Fig. 1 shows a truck with a lifting mechanism. Neglect the weight of the other links.
(a) List all two-force members [2%]
(b) List all three-force members [2%]
(c) Show the l