1 Algebra (30 hrs)

1. Binomial expansion of negative and fractional indices
2. Applications in approximations
3. Determinants up to order 3 and their simple properties
4. Cramer's rule
5. Matrix operations land inversion
6. Solution of equations, uniqueness, inconsistency etc.

2 Calculus (30 hrs)

1. Lengths of arcs
2. Radius of curvature
3. Pappus theorem
4. Taylor's and Maclaurin's series
5. Leibniz's theorem
6. Polar and Intrinsic systems of co-ordinates
7. Functions of two variables
8. Partial derivatives and their use in error calculations.

2. Provability & statistics (30 hrs)

1. Sets and Venn diagram
2. Elementary probability
3. Conditional probability
4. Baye's theorem
5. Classification, tabulation a presentation of data
6. Measure of location: mean, median, mode
7. Quartiles, decile and percentiles
8. Measures of dispersion: range, variance and standard deviation
9. Normal distribution
10. Central limit theorem

 

 

 

 

NATIONAL DIPLOMA IN TECHNOLOGY

 

DEL 101 : ENGLISH FIRST YEAR

(Weekly load : Lectures 2 hrs, Tutorials hrs, Laboratory hrs)

…..(Syllabus content)…….

 

1 Listening

The ability to listen to simple communications/lectures and take down notes/information, or transfer it to a grid, or use it in an authentic task. Listen to the teacher's voice, peer voices, voice of a visitor, Voice/s on a recording, simple descriptions, narratives, songs, question and instruction routines, news broadcasts, begin conversations, telephone conversations, interviews, talks ets.

2 Speech

The ability to engage interactively in simple communications, interacting with the teacher and/or peers. Activities cover all the following types: Whole-class drills, teacher managed class activity, pair work, small group work, team work, e-centerd activity, restructuring activity, Dialog covering several functions, routines requiring answers, responses, descriptions, narratives, commissives and exprressives.

3 Reading

The ability to read short stretches of English commonly seen in daily life. Names and addresses, titles, headlines, signboards, cards, directory pages, index, notices, short news items, advertisements, circulars, routine official and business letters. Also the ability to read extended passages of English prose. Description, narratives and argumentative proe will be used. Material will be of general interest, with some attention to areas of specialization of students.

3. Writing

1. Engineering physics (Conducted by sub – department of physics)

1. Introduction to physics practicals: Independent & dependent variables, date presentation, Gaussian menthod of calculating the gradient, estimation of accuracy and how to minimize errors.
2. Units & dimensions : SI units, prefixes, dimensions and uses of dimensions.
3. Newton's Law of Gravitation, acceleration due to gravity, weightlessness, gravitational potential, gravitational potential energy and escape velocity.
4. Heat transfer: Radial heat flow, Radiation : Stefan – Boltzmann law Thermometry : Temperature scales, types of thermometers and their ranges.
5. Introduction to wave motion, sound and gearing sound intensity, Decibel scale, sound intensity level, sound pressure level, noise, effect of noise, permissible noise exposure limits, noise criteria. Doppler effect and applications.
6. Electromagnetic spectrum, constructive and destructive interference, interference by division of ware front and division of amplitude, applications of thin film interference.

2. Engineering Chemistry (Conducted by Department of Chemistry)

1. Status of matter

Qualitative description of gas, liquid and solid

The solid and glassy state.

Melting and boiling points.

Vapour pressure of a liquid.

2. Crystal systems, Crystal lattices, Unit Cell.

Lattice types of metals, Their detailed study.

The metallic bond, Electrical conductivity in solids.

3. Gases

Kinetic Theory, Gas laws.

Deviation of real gases from ideal gas behaviour. Isotherms

Partial pressure

Relative Humidity

 

4. Treatment of water

2.5 Corrosion - Mechansm of corrosion

• Prevention of corrosion

• Thermohardening polymers
• Their structure and formation
• Homopolymers, Co-polymers.
• Glass Transition Temperature.
• Elastomers.

1. folw of electrons and concept of a corcuit, differences among conductors, semi conductors, resisters and insulators.
2. Effects of temperature, temperature coefficient of resistance.

1. Circuits

1. Application of Ohm's Law and Kirchhoff's Law, Units of electrical power anad energy, joule's Law of heating.
2. Applications of the heating effect: lamps, heat sinks and fuses (including specifications and regulations regarding the use of fuses),Power rating of components, its dependence on surface area and ambient temperature. Voltage drop on two wire d.c distribution ring mains.

2. Electrostatics

1. Coulomb's Law,Electric field. Field strength and potential.
2. Electric flux density, Capacitance of parallel plate capacitor, energy stored in a capacity. Permittivity of free space,relative permittivity and absolute permittivity.
3. Series and Parallel combination of capacitors.
4. Charge and Discharge of capacitors: R-C circuits, time constant.

3. Electromanetism

1. The magnetic cicuit,e.m.f., magnetizing force, permeability and reluctance (a parallel should be drawn between these and equivalent quantities in the electric cicuit).
2. The dependence of relative permeability on field strength and flux density.
3. Description of magnetiztion curve and hysteresis loop and its influence on energy losses.
4. Mahnetic calculations on circuit using magnetization curve or ampere turn method and their applications in relay design.
5. Induced e.m.f., Lenz's Law, Faraday's Law and Fleming's Right Hand Rule.
6. Description of effects of self and mutual inductance, Units of self and mutual inductance.
7. Magnetically coupled coils in series (L1+L2+2M)
8. Energy stored in inductor (1/2L12) Practial applications such as an ignition system, transformer.

 

 

9. Force experienced by current carrying conductor in magnetic field, force between parallel conductors and definition of ampere. Very brief discussion of magnetic materials.

1. Production of alternating e.m.f. in single coil. Definition of frequency and period. Sine waves. Other Wave forms.
2. Meaning of r.m.s., average, peak, power factor, and phase angle.
3. Plotting and addition of our of phase sine waves, use of phasors for representation of sinusoidal quantities.
4. Inductance and Capacitance in an A.C.circuit,current and power in pure resistance, inductance and capacitance-simple mathematical tretment byplotting sine waves and by means of phasors and the "j" operator.
5. Cicuits containing resistance and inductance, resistance and capacitance.
6. Concept of power factor, simple series and parallel circuits, resonance.
7. Indtoduction to 3 phase system.

1. Introduction
2. Drawing Practice in General

1. Standard size of drawing paper, drawing board & T-Square, drawing instruments, scale etc.
2. Types of lines according to SLS 409:1977 Engineering Drawing Practice
3. Orthographic Projections 1. First Angle Projection

1. Third angle projection

1. Graphics

1. Conic Sections

Parabola, Ellipse and Hyperbola

2. Loci

Involutes, Cycloids, Thochoids, Spirals, Helix, Locus of point on a Mechanism

3. Lines and Planes. True shapes
4. Interpenetration curves

Cylinders, Pyramids, Cones, Spheres etc.

5. Developments

Prism, cylinder, Cone, Pyramid & Method of Triangulations

6. Isomeris Views with Isometric scale

2. Machine Drawing

1. Given two orthographic views to draw the third view
2. Sectional Views

1. Drawing Sectional view from given pictorial view
2. Drawing Sectional view from given tow other views.

1. Common methods of fastening components Nuts & Bolt etc.
2. To draw Orthographic view of an assembled object.
3. Exploded view given to draw Orthographic views of assembly
4. Simple Assembly drawings.

1 Introduction to workshop theory and practice.

2. Safety practices and precautions.

3. Clasification of manufacturing processes.

4. Metals, non-metals, composite materials.

5. Production of pig-iron, cast iron, and steels.
6. Iron carbon diagram, heat-treatment and surface treatment processes.
7. Ferrous metals, non-ferrous metals and their alloys: properties and applications.

1. Lathe: Classification of lathes, components and their functions, work holding

methods, operations, accessories and attachments, capacity of a center lathe.

2. Grinding : Types of machines, types of abrasives, bond types, wheel

classification, truing and dressing.

3. Drilling : types of drilling machine, drills, operations.

1. Simple machines: types, velocity ration, mechanical advantage, efficiency.
2. Scalars, vectors, dimensions and units, vector sum, scalar multiplication of a vector, resolution of a vector.

2.1 Force, moment of a force, resultant of parallel forces, couple, resultant of

2.2 Friction, static and dynamic coefficient of friction and angle of friction, screw

1. Motion in a straight line, dislacement, velocity, acceleration, relative velocity, relative acceleration, applications.
2. Mass, weight, linear momentum, the equation of motion, absolite and gravitational units of force dot notations, D-alembert principle and inertia force, applications.
3. Motion in a circle, displacement, velocity and acceleration of a point moving in a circle centrifugal force, application such as banking of bends.
4. Impulse and momentum of particle system, conservation of linear momentum.
5. Work done by a force, work done by a torque, power conservation force, potential energy, energy equation of a particle system.
6. Moment of inertia of simple objects, parallel-axis and perpendicular-axis theorems.
7. Angular velocity, angular acceleration angular momenum, inertia force and kinetic energy of a rigid body, equation of motion and energy cquation of a rigid body, applications.
8. Simple trains, efficiency of gear trives.

1. Thermal stress, thermal strain application to simple and compound bars
2. Shear stress, its application such as riveted joints (both butt joint and lap joint) with respect to design and analysis.
3. Shear modulus and bulk modulus
4. Poisson's ratio and its simple applications Relationship between Young's Modulus shear modulus and bulk modulus

1. Frameworks

1. Analysis of frameworks by method of joint resolution, method of sections and Bows notation.

2. Shear force and Bending Moment diagrams.

1. Statically determinate simply supported and cantilever beams with simple loads, uniformly distributed loads, fixed moments etc.

3. Sectional Properties

1. Second moment of area about different axes.
2. Parallel axes theorem
3. Applications of above

4. Hydrostatics

1. Nature of pressure.
2. Action of Pressure vertical and non-vertical submerged surfaces, center of pressure
3. Archimedes principle, Centre of buoyancy, metacentric height, determination of metacentric height by moment method and analytical method.

1. Measurements

1. Principals and uses of moving coil and moving iron instruments.
2. Brief description of rectifier and thermocouple instruments
3. Ammeters and Voltmeters; effect of their resistance on circuit conditions, Use of shunts and multipliers.
4. Ohm-meters and wattmeters.
5. Simple testing for continuity and polarity of conductors.
6. Typical values of insulation resistance of various cables
7. Testing insulation of cables.
8. Testing of subscriber's lines and of audio trunk and junction cables.
9. Varley and Murray tests for full-earths and full contacts. d.c. potentiometer, wattmeters, measurement of a.c. power by wattmeter.

2. Methods of Measurement for low-range, medium-range and high-range resistances

 

Electronics (Conducted by the Department of Electronics and Telecommunication

Engineering)

3. Electron Tubes – Introduction to vacuum tubes.
4. Solid State Devices

1. Semiconductor Diode, Simple explanation of its characteristic Applications.
2. Rectifiers and Power Supplies: Half wave and full wave rectifiers, Smoothing circuits, Zener regulators. Half-wave and full-wave rectifiers.

5. Transistor Amplifier

1. Bipolar Junction transistor, amplifying action, configurations.
2. Biasing: Transistor amplifier
3. Darlington pair.
4. Emitter follower.