CO CEPTS OF HEAT TRA SFER RATIO ALE
This subject is very important for chemical engineering students because every chemical industry use heat transfer
equipments like heat exchangers, condensers, evaporators etc., so knowledge of this subject helps them a lot.
Introduction:
1.1
Analogy between flow of heat and electricity
Conduction: 2.1 The thermal conductivity Dimensional Analysis:
Advantages and limitations of dimensional analysis
Dimensionless number for heat transfer and their physical significance
4. Temperature: 4.1 True temperature difference 4.2 Log mean temperature difference 4.3 Difference between normal temperature difference and Log mean temperature difference 5. Convection:
Energy transfer mechanism through the boundary layer
Double pipe heat exchanger:
6.2 Overall and surface heat transfer coefficient
Shell and tube heat exchanger:
Temperature profiles of 1-1 cocurrent and counter current.
Plate type heat exchanger:
8.1 PRACTICALS
To study the heat transfer between hot and cold fluids in a double pipe heat exchanger.
To determine individual and overall heat transfer coefficient of a double pipe heat exchanger.
To study heat transfer through lagged pipe.
To study heat transfer through composite wall
5. To study heat transfer through composite sphere l 6.
To study heat transfer through forced convection apparatus.
8. To verify the temperature profiles of 1-1 co-current and counter-current heat exchanger 9. To study plate type heat exchanger
REFERE CE BOOKS :
1. Heat Transfer MASS TRA SFER RATIO ALE
This subject intends to equip the students with the concept and principles of mass transfer operation, which are of
prime importance in any chemical industry. Mass transfer equipments are an integral part of any chemical plant. This subject will help the students to operate and design various mass transfer equipments.
Introduction :
1.1
Analogy between momentum, heat and mass transfer
Vapour Liquid Equilibrium : 2.1
Partial vaporization and partial condensation
Distillation : 3.1
Methods of calculating number of plates by Mc Cabe Thiele method
Distillation Equipments : 4.1 Batch Distillation :
Meaning and importance of height equivalence to theoretical plate (HETP).
Humidification :
Measurement of humidity from humidity chart
Constructional details and working 6.3.1
Adsorption: PRACTICALS
Study of distillation in bubble cap column.
To draw instrumentation scheme of distillation column
Study of cooling water and steam consumption in bubble cap column
To study Reyleigh equation for batch distillation
8. To study adsorption column 9. To study working of dehumidifier
REFERE CE BOOKS :
1. Mass Transfer Operation POLYMER TECH OLOGY RATIO ALE
Preliminary knowledge of polymer technology is essential to understand the advance subject to plastic technology.
This subject covers basic ideas of various types of plastics.
Introduction to Polymers :
Classification of polymers - plastics, rubbers and fibres
Thermosetts and thermoplastics, their comparison
Classification of linear, branched and cross linked polymers
Random alternate blocks and graft copolymers
Types of Polymerisation :
Stepwise and addition polymerisation, (free radical, cationic and anionic)
Comparison of step and addition polymerisation
Methods of polymerisation : bulk, solution, suspension and emulsion.
Various Types of Molecular Weights of Polymers :
Determination of molecular weight of polymer by
Introduction to light scattering and ultracentrifuse methods
3.4 Effect of molecular weight and viscosity on properties of
Physical State of Polymers :
Determination of crystallinity, mechanical strength and structure of polymers
Monomer, Polymer Chemical Structure, Properties and Application of Various Polymers :
Polyethylene - LDPE, LLDPE, HDPE, HMHDPE
Degradation of Polymers : Advantage of Plastics in Areas of Electrical, Power Transmission, General Applications etc.
REFERE CE BOOKS :
ADDITIVES A D COMPOU DI G OF PLASTICS RATIO ALE
Compounding of plastics needs basic knowledge about common ingredients used in the processes. The formulation
of these ingredients directly affects the quality of plastic products.
Introduction : Antioxidants : Metal Deactivators:
Mechanism of inhibition by metal deactivators
Stabilization of polyolefins in contact with copper
Stabilizers:
Mechanism of U.V. stabilization for U.V. absorbers, Quenchers, Hydroperoxide decomposers and free radical scavengers
Various type of PVC stabilizers such as inorganic metal salts, metal soaps, metal complexes, organotin compounds, epoxy-type stabilizers and organic phpsphides
Influence of heat stabilizers on weather and light stability
Plasticizers :
Theory, methods and steps in plasticization
Effects of plasticizers on physical properties such as hardness, tensile strength, elongation, low temperature resistance and electrical properties.
Fillers and Reinforcements :
Properties of filed and reinforced plastics
Various types of fillers and reinforcements and their economic importance.
Chemical Blowing Agents :
Various types of blowing agents such as azo compounds, hydrazine derivatives, semicarbazides and tetrazoles.
Colourants :
General properties of coloured plastic such as thermal stability, light fastness, weather resistance, migration, plate-out and theological properties.
Various types of colourants such as titanium dioxide, carbon black, inorganic colour pigments and organic colour pigments.
Introduction to other additives, viz. : Constructional details and working of mixing and blending equipments used for compounding REFERE CE BOOKS :
1. Compounding Materials for the Polymer Industry
5. Thermoplastic polymer additives (Theory & Practice)
POLYMERISATIO E GI EERI G RATIO ALE
This subject covers the Chemistry, manufacturing processes, properties, uses and application of various polymers.
Chemistry, Monomer Preparation, Various Polymerisation Processes, Flow Sheet, Properties and Application of Following Polymers : High density polyethylene and high molecular high density polyethylene Low density polyethylene and linear low density polyethylene Polypropylene Polyvinyl chloride Polystyrene Cellulose Acetate Cellulose itrate Epoxy Resin Phenol formaldehyde Chemistry, Properties and Applications of Following Polymers : PRACTICALS
To identify the given polymers by following methods -
To purify the given monomer (Styrene/methyl methacrylate) and to find out its percentage purity
To find out percentage purity of initiator (Benzoyl peroxide/potassium sulphate)
To determine refractive index of given monomer
To determine specific gravity of the given monomer
To prepare polystyrene/PMMA by bulk polyn
To prepare polystyrene/PMMA by solution polyn
To prepare phenolformaldehyde resins and to determine its gel time
To determine K-value and molecular weight of the given polymer by Ostwald viscometer
To determine the bulk density of the given polymer
To determine the pH value of given monomer with the help of pH meter.
REFERE CE BOOKS:
1. Manufacture of Plastics Vol I & II
7. Engg. Thermoplastics, Properties and Applications
8. Encyclopedia of Polymerisation Engg. and Science
FIBRE TECH OLOGY RATIO ALE
This subject provides the detailed knowledge of production of various synthetic fibres form basic raw materials.
This covers the properties, uses, testing of various fibres, which is one of the essential parts of plastic technology.
Structural principles of fibre forming polymers
Orientation(X-ray Analysis), Recurrence Symmetry and crystallinity of fibres
Effect of orientation on fibre properties
Various Textile Terms : Fundamental and General Manufacturing Techniques of Fibres :
Spinning processes - Melt Spinning, Dry Spinning and Wet spinning
Various techniques of Texturising - False twist, Air texturising, Gear Crimping, Stuffer box crimping and knife edge, crimping process.
Finishing of man-made fibres:
Various types of finishes- shape retention, firming, softening, water repellent, stain repellent, antistatic soil-release, antimicrobial and fire-resistant finishes.
Dyeing of synthetic fibres Chemistry, Manufacturing Process, Properties and Uses of Following Synthetic Fibres : Elementary Knowledge, Properties and Uses of Following Fibres :
REFERE CE BOOKS :
1. Man made Fibres Vol. I and II HIGH POLYMER CHEMISTRY RATIO ALE
The knowledge of this subject is helpful to understand the mechanism of various types of polymerisation quality of
the polymers and cost variation of plastic products. This subject also provides kinetic study of various polymerisation techniques and effects of the substituents on polymer properties.
Condensation Polymerisation : Addition Polymerisation :
Effect of substituents on addition polymerisation
Principal and kinetics of free radical polymerisation
Polymerisation Depolymerisation Equilibria :
Significance of ceiling temperature in addition
Copolymerisation :
Types of co-polymerisation behaviours, block and graft
Kinetics of Cationic Polymerisation Kinetics of Anionic Polymerisation 6.1
REFERE CE BOOKS :
1. Text Book of Polymer Science
4. Principles of High Polymers, Theory & Practice
6. Polymer Science & Technology of Plastics & Rubbers
TESTI G OF POLYMERS RATIO ALE
For checking quality of the manufactured plastic materials, physical and chemical methods of testing are required.
The students having knowledge of Rheology/Testing will prove useful in the industrial atmosphere.
Constructional details of apparatus used and working procedure of following polymeric tests
1. Mechanical Properties: 1.1
Impact strength (Izod, Charpy and Falling Dart)
Hardness (Rockwell, Shore A and Shore D)
Environmental stress cracking resistance (ESCR)
Thermal Properties: Rheological Properties:
3.1 Electrical Properties: Optical Properties: 5.1 Flammability Test: Weathering Properties: 8.1 PRACTICALS
To find out the tensile strength and elongation at break of the given polymer with the help of tensile testing machine.
To determine shore A hardness of the given plastics
To determine shore D hardness of the given plastics
To determine the melt flow Index of the given Polymer by MFI Tester
To determine thickness of the given plastic film/sheet by dial thickness gauge
To determine Refractive index of the given plastic film/sheet by Abbe Refractometer
To determine burst strength of the given plastic film
To determine melting point of the given polymer
To determine water absorption of various plastics
To determine Abrasion resistance of the given polymer by DIN abrasion tester
11. To find out the tensile strength and elongation at break of the given polymer sample at accelerated Weathering
REFERE CE BOOKS:
1. Principle of High Polymers, Theory & Practice
2. Properties & Structure of Polymers
7. Properties & Testing of Plastic Materials
9. Hand Books of Plastics Testing Technology
PLASTIC PROCESSI G - I RATIO ALE
The purpose of this subject is to equip the students with the knowledge of equipments and processes utilised in
plastic processing and operational safety.
Introduction to Plastic Processing Techniques. Injection Moulding Processes :
Construction and working of various types of machineries used 2.1.1 Hand injection-moulding machine 2.1.2 Semi automatic injection moulding machine 2.1.3 Automatic injection moulding machine 2.1.4 Plunger and screw type injection-moulding machine
2.1.5 Merits and demerits of each machine
2.2.1 Injection unit 2.2.2 Clamping unit 2.2.3 Mould
Reaction injection moulding
3.1 Extrusion Concepts :
4.8 Extruder performance and their curves
4.9 Cooling and take-off systems 4.10 Co-extrusion 4.11
Manufacturing of:
5.2 Pipe and tubes 5.3 Wire and cable coating 5.4 Sheets 5.5 Profiles 5.6 Process defects and their remedies
Construction and Working of following machines: PRACTICALS
To produce articles on 0.5 OZ hand injection moulding machine
To produce articles on 1.0 OZ hand injection moulding machine
To produce articles on 1.5 OZ hand injection moulding machine
To produce articles on 2.0 OZ hand injection moulding machine
To study semi automatic vertical injection moulding machine (capacity 60 grams) and produce articles.
To make articles on fully automatic injection moulding machine (capacity 90 grams).
To make LDPE blown film on blown film extruder
To make flexible pipe/tube on extrusion plants and checks its qualities.
To study Bag cutting and sealing machine and make LDPE Bags of different lengths.
To make Diary covers and purse of PVC sheets on high frequency PVC welding machine.
Stamping on Plastic Sheets by Hot Stamping Machine
To Grind the Waste Plastics on Scrap Grinder and find out its efficiency.
REFERE CE BOOKS :
1. Processing of Thermo Plastic material ‘C’ PROGRAMMI G
same in all branches except AR/CC/CE/CS/ EE /IT RATIO ALE
'C' is computer programming language and also structured programming language. In 'C' programming language we
consider various syntax used in programming. By having good knowledge of 'C', students can write modular application and system programs. 'C' can be used in the engineering applications. By acquiring a sound knowledge of 'C' students will be able to understand the concept of all the application areas. This course is specially designed for engineering students of all diploma streams.
Introduction: 1.1 Scope of ‘C’ Language 1.2 Distinction and similarities with other HLLs 1.3 Special features and Application areas Elements of ‘C’ : Console Input-Output :
Unformatted console I-O: getchar(), putchar(), gets(), puts(), getch(), getche()
Control Flow : Functions :
Library of functions: math, string, system
Pointers :
Pointer expression: assignment, arithmetic, comparison
Structure and Enumerated Data Types : PRACTICALS
Problems based on arithmetic expression, fixed mode arithmetic.
Problems based on conditional statements and control structures.
Problems based on arrays (1-D, 2-D), functions and pointers.
Problems based on Engineering applications.
REFERE CE BOOKS :
List of Medical Practitioners Licenced by Medical Council of Mauritius Other Names Address1 ABBASAKOOR ABBASAKOOR ABDOOLATIFF ABEELUCK ABOOBAKAR ABOOBAKAR ABOOBAKAR ABOOBAKER AHLUWALIA ALLEEMUDDER ALLYBOCUS ALLYBOCUS ALLYBOKUS AMATHALLY AMATHALLY AMBASTHA AMEERUDDEN 59, Residence St. Daniel, Arrian Street, R. Brunes Beau Bassin26, Bis, H
Publikationen kbo-Inn-Salzach-Klinikum gGmbH Brunnauer A, Laux G (2008). Verkehrssicherheit unter Psychopharmaka. Fortschritte der Neurologie Psychiatrie, 76, 366-377. Brunnauer A, Laux G (2008). Psychopharmaka und Verkehr. Ärztezeitung für Neurologen und Psychiater, 4, 18-21. Brunnauer A, Laux G (2008). Psychopharmaka und Verkehrssicherheit. Journal für Neurologie, Neurochirurgie und Psychi