Tutorial 4
1.
A stress of 2 MPa is applied to a polymeric material at constant strain.
After 83 days at 250C the stress decrease to 0.5 MPa
a. Calculate the relaxation time constant for this material
b. What will be the stress after 120 days at 250C
c.
If
Mass Transfer Design
CCB2053
Dr Sintayehu Mekuria Hailegiorgis
Department of Chemical Engineering
Mass Transfer Principles
CCB2053CHAPTER 2LECTURE 3
Lesson Outline
Diffusion coefficients for gases
Molecular diffusion in liquids
Lesson Outcome
At the end
UNIVERSITI TEKNOLOGI PETRONAS
CHEMICAL ENGINEERING DEPARTMENT
CCB2053 Tutorial2
1. Water at 25oC is flowing in a covered irrigation ditch below ground. Every 100 ft there is
a vent line 1.0 in. inside diameter and 1.0 ft long to the outside atmosphere at
CHAPTER 1
DESCRIPTIVE STATISTICS
L1 Numerical Summary of Data
L2  Data Display and summary
1
Learning Objectives:
Learning objectives:
At the end of this chapter, student should be able to:
Explain the different between population and sample
Find the sa
Solidliquid Extraction
(Leaching)
M Azmi Bustam
The objective is:
To understand the Leaching ( solid  Liquid)
process
To understand the equilibrium in a leaching
process.
To make the material balance for a leaching
system
M Azmi Bustam
Introduction
Sol
CBB 2054
Separation Process I
Revision 2: Jul 2009
M Azmi Bustam
The objective is:
To understand the extraction( Liquidliquid extraction, LLE)
process
To understand the factors of selection of extraction equipment
and solvent
To make the material balanc
Chapter 6
HEAT EXCHANGERS
Instructional Objectives
Introduce different types of heat
exchange equipment and their working
principles.
Carry out performance calculations for
simple heat exchangers.
Carry out design calculations for simple
heat exchanger
Absorption
1. Introduction
and
2. Mass Transfer Principles,
3. Equilibrium Stage Operations
Stripping
4. Distillation
5. Absorption,
6. Extraction,
7. Leaching
M Azmi Bustam
1
The objective is:
To understand the absorption( GasLiquid) process
To make the
CBB 2034
Process Heat
Transfer
Lecturer :
Assoc Prof DR YE LWIN
MARKS DISTRIBUTIONS
COURSE WORK
Tutorials
Quiz
Assignments
2 midterm tests
Lab
FINAL EXAM
: 50%
:
:
:
:
:
5%
5%
5%
10%
25%
: 50%
Course Outcomes
Explain the basic principles of heat transfer
CHAPTER 3
CONVECTION HEAT
TRANSFER
Instructional
Objectives
Differentiate between the film heat transfer
coefficients and the overall coefficient, and
write their relationship.
Obtain convection coefficients and compute
heat transfer rates to or from flui
Multistage countercurrent
Stage to Stage Calculations
How to determine N required to get to LN?
is the common operating point where all streams pass
through.
Since end points are known,
x can be calculated, and
point located.
Or it can be located by grap
Concept of Equilibrium
1. Introduction
2. Mass Transfer Principles,
3. Equilibrium Stage Operations
4. Distillation
5. Absorption,
6. Extraction,
7. Leaching
M Azmi Bustam
Chapter : 2
The objective is:
To understand the concept of equilibrium
Able to esti
Mass Transfer Principles
1. Introduction
2. Mass Transfer Principles,
3. Equilibrium Stage Operations:
4. Distillation
5. Absorption,
6. Extraction,
7. Leaching
M Azmi Bustam
Chapter : 2
The objective is:
To understand the mass transfer concept in separat
CHAPTER 5
BOILING AND
CONDENSATION HEAT
TRANSFER
Instructional
Objectives
Explain the mechanisms for heat
transfer involving phase change, viz
boiling and condensation.
Given the physical conditions for boiling
and condensation, identify the
prevalent mec
CHAPTER 4
INTRODUCTION TO
RADIATION HEAT
TRANSFER
INSTRUCTIONAL OBJECTIVES
Explain the basic mechanism of heat transfer by
radiation.
Define the radiation properties such as absorptivity,
reflectivity, transmissivity, and emissivity.
Given the spectral
Solidliquid Extraction
(Leaching)
M Azmi Bustam
The objective is:
To understand the Leaching ( solid  Liquid)
process
To understand the equilibrium in a leaching
process.
To make the material balance for a leaching
system
M Azmi Bustam
Countercurrent mu
Chapter 8
Regression Analysis
Week 9
L1 Simple Linear Regression:
Least squares method,
Methods to Assess the Model
Lecture 1
Learning Outcomes:
At the end of the lesson, the student should be able to
Use the least squares method to estimate
a linear mode
Chapter 2
Random Variable
Week 2
L1 Discrete random variable
L2 Continuous random variable
DISCRETE RANDOM VARIABLES
Learning Objectives:
At the end of the lecture, you will be able to :
 describe types of random variables
 calculate their probability
Chapter 6
Hypothesis Testing
Week 6 &7
L3  Hypothesis Test on Normal
Mean, Variance Known
P value
Learning Outcomes:
At the end of the lesson student should be
able to

Perform hypothesis test (one sided and two
sided) on the mean of a normal distribu
CI FOR NORMAL MEAN
WHEN VARIANCE IS UNKNOWN
A 100 (1 )% confidence level for the mean of a normal
Population when the value of is not known is given by
s
s
[ x ( t / 2 , n 1 )(
), x ( t / 2, n 1 )(
)]
n
n
Or equivalently
s
s
x ( t / 2,n 1 )(
) x ( t / 2,
Chapter 6
Hypothesis Testing
Single Population
Week 7
L4  Confidence Interval
L5  Hypothesis Test about the Normal
Mean, Variance Unknown
Jul 12, 2016
1
Learning Outcomes:
At the end of the lesson student should be
able
to
 Determine the confidence in
CBB 2054
Separation Process I
M Azmi Bustam
Introduction
CBB 2054  Separation Processes 1
The objective of todays Lecture is :

To understand the concept/importance of separation
in commercial practice.
M Azmi Bustam
a. Define separation process and dis
Liquidliquid
Extraction
M Azmi Bustam
Equilibrium Relations
Example:
Original mix of 100kg is 30kg ether (C),
10kg acetic acid (A), 60kg water (B).
What are the compositions of the 2
equilibrium phases?
M Azmi Bustam
Equilibrium Relations
Example:
Origin
SEPARATION PROCESS 1
CBB 2054
Jan 2010
M Azmi Bustam
Separation Process 1
Lecturer: Assoc. Prof. Dr. Mohamad Azmi
Bustam@Khalil
Office: 050316(ext:7641)
Email: azmibustam@petronas.com.my
Lectures: 2 groups, 3 hours per week
(Refer timetable)
Tutori
Distillation
(1. Simple Distillation)
1. Introduction
2. Mass Transfer Principles,
3. Equilibrium Stage Operations
4. Distillation
5. Absorption,
6. Extraction,
7. Leaching
M Azmi Bustam
The objective is:
To understand the concept of flash/ equilibrium di
CBB 2054
Separation Process I
Revision 3: Jul 2009
M Azmi Bustam
The objective is:
To understand the Leaching ( solid  Liquid)
process
To understand the equilibrium in a leaching
process.
To make the material balance for a leaching
system
M Azmi Bustam
I
Liquidliquid Extraction
M Azmi Bustam
The objective is:
To understand the extraction( Liquidliquid extraction, LLE)
process
To understand the factors of selection of extraction equipment
and solvent
To make the material balance for LLE process
To unde
Liquidliquid
Extraction
1. Introduction
2. Mass Transfer Principles,
3. Equilibrium Stage Operations
4. Distillation
5. Absorption,
6. Extraction,
7. Leaching
M Azmi Bustam
The objective is:
To understand the extraction( Liquidliquid extraction, LLE)
p