1. Algebra (6 hrs)

1. Complex numbers
2. Cartesian and polr forms
3. Argand diagram
4. Basic operations
5. Demoirve's theorem
6. Powers and roots.

2. Numerical Methods (6 hrs)

1. Numerical integration
2. Trapezoidal and Simpson's rule
3. Newton-Rapson and Iterative methods
4. Solution of equations in a single unknown.

3. Vectors (8 hrs)

1. Vector notation
2. Unit vectors i.j.k
3. Scalar and vector products
4. Triple vector products and their applications in 3-Dimensions.

4. Statistics (10 hrs)

1. Sampling
2. Statistical estimation
3. Hypothesis testing
4. Linear regression and curve fitting.

5. Decision Theories (8hrs)

1. Decision trees
2. Game theory
3. Time-series analysis.

6. Differential Equations (14 hrs)

1. Differential equations of 1^st order and 1^st degree
2. Orthogonal trajectories
3. Differential equations of 2^nd order with constant coefficients
4. Transient and steady solutions.

7. Computing (8 hrs)

1. Introduction to computers and their development
2. Outline of computer structure
3. Output devices
4. Accessories
5. Types of computer languages
6. Disk Operating Systems
7. Programming in BASIC language.

NATIONAL DIPLOMA IN TECHNOLOGY

DME : 209: INDUSTRIA MANAGEMENT SECOND YEAR

(Weekly Load: Lectures: 1 ½ hrs. Turorials – hrs, Laboratory – hrs)

……(Syllabus content)……

1. Principles of Economics

1. Basic elements
2. Demand and supply
3. Market competition
4. Economy of Sri Lanka

2. Principles of Management

1. Scientific management
2. Line and staff organization
3. Span or control, authority and responsibility

3. Financial Accounting

1. Business transactions
2. Book-keeping procedures
3. Balance sheet
4. Final accounts
5. Financial statements
6. Manufacturing accounts.

4. Cost Accounting

1. Cost components
2. Application of costing procedures, depreciation
3. Break-even analysis and its application.

5. Materials Management

1. Organisation of stores
2. Economic order quantity
3. Quality control

6. Planning of Projects

1. Network diagrams
2. Critical path analysis
3. Gantt charts
4. Resource allocation.

7. Work Improvement and Work Measurement

1. Job analysis
2. Job evaluation
3. Work study
4. Performance standards, incentive scheme
5. Labour regulations
6. Industrial safety

8. Introduction to Maintenance Management

1. preventive and break-down maintenance
2. Replacement policies.

1. Units and dimensions.

1. Introduction to SI unit system

1. Fundamental concepts of thermodynamics.

1. System, properties, work, heat, cycle etc.

2. First Law of Thermodynamics.
3. Perfect gases

1. Characteristic equation of a perfect gas;

4. Non-flow processes.
5. Steady flow energy equation and its applications:
6. Second Law of Thermodynamics.
7. Air Standard Cycles.

Hydraulics – (Conducted by the Department of Civil Engineering)

8. General Principles.

1. Types of fluid motion – streamline, turbulent, non-uniform, continuous.
2. Bernaulli's Theorem.
3. Venturimeter pitot tube.
4. Vottex motion free and forced vortices.

 

9. Flow through orifices and mouthpieces.

1. Flow through small orifices, Coeficlents of contraction, velocity and discharge
2. Large orifices, submerged and patially submerged orifices.
3. Mouthpieces-external and internal
4. Time of emptying vessels.

 

10. Flow through notches and weirs.

1. Rectangular, Triangular and trapezoidal notches – discharge formulae, velocity of approach.
2. weirs – free and drowned weirs.
3. Syphon spillways.

11. Flow through pipes.

1. Losses due to friction, sudden enlatgement, sudden contraction and bends.
2. Distribution of velocity in pipes.
3. Hydraulic gradient, flow in pipes and branches.

12. Uniform flow through channels.

1. Use of various discharge formulae.
2. Condition of maximum discharge in rectangular, circular,trapezoidal channels.
3. Distribution of velocity in channels.

13. Pumps.

1. Reciprocating pumps – effect of deceleration and frictional resistance, air vessels, slip, hand pumps, deep well pumps, centrifugal pumps – characteristic curves.

14. Turbines

1. Description and use of different types of tubines

Strength of Materials – (Conducted by department of Civil Engineering)

15. Bending

1. Theory of simple bending
2. Longitudinal stresses and distribution of shear stress in beam cross sections.
3. Flitched beams of symmetrical cross section.

16. Deflection

1. Relation between curvature, slope and deflection.
2. Determination of slope and deflection in simply supported beams and cantilvers due to uniformly distributed and concentrated loads.
3. Macaulay's method and Mohr's Theorems.

17. Columns

1. Short columns and long columns subjected to axial loading, effect of end conditions.
2. Equivalent length and slenderness ratio.
3. Various column formulae and their practical applications

18. Fixed Beams.

1. Calculation of bending moment , shear force and deflection of fixed beams due to symmetrical loading.

19. Torsion.

1. Stress and strain in torsion
2. Relation between angle of twist and shear stress
3. Power transmission by solid and hollow shafts.

20. Thin cylinders.

1. Longitudinal and hoop stresses in thin cylinders.

21. Riveted and Welded Joints

1. Different kinds of joints.
2. Strength and efficiency
3. Design of joints for axial loads, brackets.

1 A.C Principles

1. A C Circuit analysis using phasor diagrams and Complex Numbers; in a.c.circuits; Decibel Notation
2. Series and Parallel Resonant circuits
3. Practical aspects of Resistors, Capacitors, and Inductors

1. Basic Electrical Measurements

1. Principles of Moving Coil, Moving Iron, and Dynamometer type instruments; Thermal Meters; Rectifier type instruments
2. Extension of Instrument range of Ammeters and Voltmeters; Ohm meter
3. D.C & A.C Bridges
4. Power Measurement in Single-phase and Poly-Phase systems; Power Factor, frequency, and Energy
5. Introduction to High-voltage Measurement, Instrument Transformers

2. Electronic measuring Instruments

1. Analog & Digital Multimeters, Logic Probers, Logic Analysers, L-C-R Meter
2. Cathode ray Oscilloscope; Cathode Ray Tube, Time-base, Measurements using the CRO, Special CRO types, CRO Probes.
3. Frequency Counters; Frequency Ratio and Period Counters.

3. Transducers

1. Measurement of Non-dlectrical Quantities such as Strain, Temperature, Pressure, Force, Speed, Flow, Humidity, Sound, etc.
2. Optical sources and Sensors
3. Application of Transducers in measurement and control.

4. Power Supplies

1. Regulated d.c. power supplies; Linear and Switched-mode
2. A.C. power supplies; Inverters; dc-to-dc Converters, Uninterruptible power supplies.
3. Batteries; Charging and Discharging.

5. Industrial Control systems

1. Introduction to Control Systems; open-loop and closed-loop, analog and digital
2. Basic Control Devices; Switches, Relays, Contactors, Actuators, Circuit Breakers. Timers and Counters, Panel Meters.

6. Power Control

1. Power Electronic Devices; SCR, TRIAC, UJT, etc.
2. Application of power electronic devices in Motor Control and in Industrial Control.

7. Computer-Controlled Instrumentation

1. Introduction computer-based instrumentation and control
2. Basic Interfacing Techniques; A/D and D/A Conversion, Digital I/O
3. Programmable Controllers.

1 Small signal Amplifiers:

Small signal models, gain, input impedance, output impedance

1. Operational Amplifiers:

Operation, characteristic curve, parameters, applications

2. Oscillators:

Introduction to feed back theory, condition for oscillations, sinusoidal and non- sinusoidal oscillators

3. Power Supply and Regulation Circuits:

5 Modulation:

5. Radio Receivers:

Tuned radio frequency receiver, superhetrodyne receive

6. Introduction to monochrome and color television:

Operation, receiver circuits in block diagram form

7. Radio Wave Propagation and Frequency Spectrum:

Radio wave Propagation mechanisms

8. Principles of RADAR:

1 General

1. Requirement for drives, types of drives
2. Common features of electrical machines.

1. D.C.Generators

1. Principles, types of excitation, characteristics, armature windings, armature reaction, commutation, interpoles, voltage regulation, parallel operation.

2. D.C.Motors

1. Principal methods of excitation, starters, speed, torque, speed control.
2. Criterion for selection and utilization.

3. Transformers

1. Principles, construction, phasor diagram no load and on load, viltage regulation.
2. Three-phase connections, autotransformers, parallel operation.
3. Tap changing

4. A.C.Machines

1. Synchronous generators: construction, characteristics, operation and maintenance, voltage regulation, parallel operation and power sharing.
2. Synchronous motors, characteristics, power factor correction.
3. Principal characteristics of induction motors, starters and speed control, classification and use with other a.c.and d.c. motors.
4. Elements of fractional horse power motors and commutator motors.
5. Maintenance of motors.

5. Power Rectifiers

1. Concept and need, Silicon-Controlled Rectifires.
2. Converter circuits

1 Generation

1. Source of energy, setting and layout of generating stations.
2. Economic load curves, diversity factor.
3. Station auxiliaries, power station practice.

1. Transmission and Distribution

1. Resistance, Inductance and Capacitance of transmission lines, nominal T and PL representations, concept of long line.
2. Economics of transmission, voltage regulation, Corona.
3. Transmission towers, sag and span.
4. Insulators and insulator strings, Dampers.
5. Feeders and distribution systems.
6. Radial, ring and interconnected systems.
7. Insulated cables for single-phase and three-phase operations.

2. Switch gear

1. Metal clad, open indoor and open outdoor types.
2. Low oil, bulk oil, air blast and SF circuit breakers.
3. Arc control
4. Switchgear rating.

3. Protection

1. Principles; types of relay
2. Protection of generators, transformers, lines and motors.
3. Layout of high voltage and low voltage distribution systems and substations.

4. Utilisation

1. Types of loads; salient features of power requirements of various industries.
2. Power factor and power factor improvement.

1 Materials

1. Composition, physical properties and uses of magnetic materials.
2. Electrical insulating materials including ceramics, glass, impregnated paper and fabrics plastics, their physical and electrical properties.
3. Gases, water and oil as insulators.
4. Causes of deterioration such as age, atmosphere, voltage, heat and rough usage.
5. Costs, working and machining of these materials.

2 Drawing

2.1 Drawing and sketching exercise in orthographic and isometric projection of a

3 Diagrams

1. Circuit, schematic and wiring diagrams, block diagrams and simplified methods of illustrating elaborate circuits.
2. A review of symbols for components in common use for power and electronic circuits.
3. Practice in interpreting diagrams, including sequence tables.
4. Circuits for the wiring of buildings, control of machines, and in radio and electronics, should be included.

3. Wiring

1. The work carried out in the first year on wiring materials components and tools should be considerably extended with reference to the wiring of buildings, control circuits, and electronic circuits.
2. Wiring and safety regulations should be dealt with in considerable detail.