MECHANICAL ENGINEERING - Pty Ltd.

1 MECHANICAL ENGINEERINGISTTRIMESTER2 NDTRIMESTER3 RDTRIMESTERMATHEMATICS N4 ENGINEERING SCIENCE N4 INDUSTRIAL ELECTRONICS N4 ELECTROTECHNICS N4 MECHANOTECHNICS N4 POWER MACHINES N5 FLUID MECHANICS N5 MECHANOTECHNICS N5 ELECTROTECHNICS N5 POWER MACHINES N6 FLUID MECHANICS N6 MECHANOTECHNICS N6 ELECTROTECHNICS N6 SUPERVISORY MANAGEMENT N44 THTRIMESTER5 THTRIMESTER6 THTRIMESTERENGINEERING DRAWING N3 SUPERVISORY MANAGEMENT N5 STRENGTH OF MATERIALS ANDSTRUCTURES N5 SUPERVISORY MANAGEMENT N6 STRENGTH OF MATERIALS N6 MATHEMATICS N4 MODULETHEMEWEIGHTED VALUE1 EQUATIONS, MANIPULATION AND WORD PROBLEMS2 DETERMINANTS3 COMPLEX NUMBERS4 TRIGONOMETRY5 SKETCH GRAPHS6 LIMITS AND DIFFERENTIATION7 INTEGRATIONCHAPTER 1 EQUATIONS, MANIPULATION AND WORD PROBLEMSF actorising the sum of and difference between two cubes- Common factors, Grouping, The difference between two squares, The quadratic trinomial, The sum of and difference between two SYSTEMS N6*AFTER COMPLETION OF THE 5 TRIMESTER, THE STUDENT IS SUPPOSED TO UNDERGO A 24 MONTHS TRAINING PROGRAMME AT A GOVERNMENT- APPROVED INDUSTRY/MINE AND THEN WRITE THE GCC EXAMINATION WHICH WILL BE GUIDED BY THE 2 DETERMINANTSThe origin of determinants, The development of a second order determinant, The solution of two equations simultaneously using 3 COMPLEX NUMBERSI ntroduction, The natural numbers(N), Integers(whole numbers)(Z), Rational numbers(Q), Irrational numbers, Real numbers(R), Imaginary numbers, Graphical representation of imaginary numbers, Powers of i (or j)

2 , Multiplication of real numbers by imaginary numbers, Addition and subtraction of imaginary numbers, Division of imaginary 4 TRIGONOMETRYE xact values- General, Exact values in the first quadrant, Exact values in other quadrants, Another figure to help you remember signs, Solving easy trigonometric equations using exact values, Arc functions(inverse trigonometric function).CHAPTER 5 SKETCH GRAPHSCo-ordinates, The domain and range, Dependent and independent variables, Functions and relations, Function values, The inverse of functions and relations, Continuous and discontinuous functions or relations, 6 LIMITS AND FIFFERENTIATIONL imits, A general concept of a limit, Theorems on limits, Limits of the form 0/0, Limits of the form / CHAPTER 7 INTEGRATIONI ntroduction, Standard integrals, Summary of all the relevant standard SCIENCE N4 MODULETHEMEWEIGHTED VALUE1 KINEMATICS2 ANGULAR MOTION3 DYNAMICS4 STATICS5 HYDRAULICS6 STRESS AND STRAIN7 HEATMODULE1 KINEMATICSM otion concepts (Foreknowledge), Addition of vectors (Foreknowledge), Resultant of three or more vectors (Foreknowledge), Resultant velocity with external factors, Vectors (Movement)

3 Which is not rectangular, Relativity, Kinetics where acceleration takes place, Projectile MOTIONA ngular displacement and angular velocity, Angular acceleration, Work done and power resulting from in action, Force problems-on a vertical plane, Force problems-Involving frictional forces, Friction on an inclined surface, Work done and power, (Foreknowledge), Beams in equilibrium-Two fulcrums, Centroids of thin plates, Centroids of a flat but unsymmetrical figure, Centre of gravity of a fixed object, Shearing force diagrams with point loads as well as evenly distributed loads, Bending moment diagrams with point loads as well as evenly distributed (Liquids and gases) (Foreknowledge), Work done to pump liquids (Foreknowledge), The hydraulic press, Hydraulic pumps and accumulators, The Hydraulic AND STRAINT ypes of stress, Testing of materials and Young s Modulus of Expansion, Area Expansion, The expansion of ELECTRONICS N4 MODULETHEMEWEIGHTED VALUE1 NETWORK THEOREMS102 ALTENATING CURRENT THEORY103 SEMICONDUCTOR DIODES84 POWER SUPPLIES75 TRANSISTORS AND AMPLIFIERS156 OPERATIONAL AMPLIFIERS157 ELECTRONIC POWER CONTROL158 TRANSDUCERS109 ELECTRONIC TEST EQUIPMENT10 UNIT 1 : NETWORK THEOREMSI ntroduction, Kirchhoff s law, Superposition theorem, Voltage sources, Thevenin s theorem, Maximum power theorem, Exercise 2: ALTENATING CURRENT THEORYI ntroduction, Simple RLC calculations, Series Resonance, Parallel Resonance, Q-Factor of resonance circuits, Bandwidth, Complex numbers, Exercise 3.

4 SEMICONDUCTOR , The formation of N-type semicondustors, The formation of P-type semiconductors, PN junction diode, Biasing of the PN-junction diode, Zener Diode, Varactor diode, Tunnel Diode, Exercise 4 : POWER , Transformers, Rectification, Filters, Comparison of different filters, Voltage regulation, Exercise 5 : TRANSISTORS AND junction transistor, Field effect transistor, Unijunction transistor, Exercise : OPERATIONAL , Charateristics of operational amplifiers, Operation of an operational amplifier, Applications, Exercise 7 : ELECTRONIC POWER , SCR, DIAC, TRIAC, QUADRAC, LASCR, Open and closed loop systems, Exercise 8 : , Selecting a transducer, Requirements for reliable operation, Types of transducers, Resistive transducers, Capacitive transducers, Inductive transducers, Photo-sensitive transducers, Exercise 9 : ELECTRONIC TEST , CRT, CRO < oscilloscope block diagram, Function generator, Waveforms and uses, Exercise N4 MODULETHEMEWEIGHTED VALUE1 PRINCIPLES OF MACHINES203 ALTERNATING CURRENT104 THE MACHINES106 GENERATION AND SUPPLY OF POWER107 MEASURING INSTRUMENTS10 CHAPTER 1 PRINCIPLES OF ELECTRICITYThe atom a movement of electrons in a conductor electromotive force resistance series parallel temperature rises in electrical machines temperature coefficient of resistance Kirchhoff s law magnetism attraction repulsion electromagnetism magnetic circuit domain theory of magnetism hysteresis - eddy current electromagnetic induction emf generated by moving conductor capacitors types CHAPTER MACHINESC onstruction generator and motor principles winding armature reaction Generator operation of the starterCHAPTER 3 ALTERNATING CURRENTG enerating current frequency and speed phasor effective of RMS value and mean or average value of an

5 Alternating quantity resistance and capacitance in circuits analogy of inductance CHAPTER 4 THE TRANSFORMERC onstruction magnetic circuit winding cooling tanks buchholz protection principles of operation transformer on open circuit transformers on no loadCHAPTER MACHINESThe induction motor construction rotating magnetic field principles of operation speed and slip single phase and split phase motor starting of single phase induction motors CHAPTER 6 GENERATION AND SUPPLY OF POWERS upply system layout high voltage transmission typical transmission systemCHAPTER 7 MEASURING INSTRUMENTSR ange extension shunt resistors multiplier measurement of resistance MECHANOTECHNICS N4 MODULETHEMEWEIGHTED VALUE1 WORKSHOP LAYOUT2 BELT DRIVES3 METAL CUTTING MACHINES4 CORROSION5 PRECISION MEASUREMENT OF MACHINE PARTS6 BEARINGS7 GEAR DRIVES8 HYDRAULIC SYSTEMS9 HYDRAULIC SYSTEMS 2 CHAPTER 1 WORKSHOP LAYOUTI ntroduction, Symptoms of poor workshop layout, Advantages of good workshop layout, Principles of good layout, Important factors influencing the layout design, Types of production and main characteristics of each, Types of layouts and main characteristics of each, Special requirements for the placing of machines in the workshop, Layout procedures, phases in the design of a 2 BELT DRIVESI ntroduction, calculation for belt 3 METAL CUTTING MACHINESI ntroduction, Calculations for cutting 4 CORROSIONI ntroduction, Classification of corrosion, Different forms of corrosion, Corrosion tests, Metal protection processes, Surface preparation for painting, Painting 5 PRECISION MEASUREMENT OF MACHINE PARTSI ntroduction, Measurement of tapers with balls and rollers, Measurement of tapers with a sine bar, Precision measurement of screw threads, Gear tooth calculations using the constant chord 6 BEARINGSI ntroduction, Journal or plain bearings.

6 Lubricants in general, Anti friction 7 GEAR DRIVESI ntroduction, Simple and compound gear trains, Epicyclic gear 8 HYDRAULIC SYSTEMSI ntroduction, Bernoulli s theorem, Flow of water through 9 HYDRAULIC SYSTEMS 2 Introduction, Chezy s formula, Darcy s formula, Venturimeters.**POWER MACHINES N5 MODULETHEMEWEIGHTED VALUE1 THERMODYNAMIC OF GASES2 HEATING GASES3 ENTROPY4 STEAM GENERATION5 ENTHALPY AND THE FORMATION OF STEAM6 VOLUME OF STEAM7 THROTTLING OF STEAM8 BOILER EFFICIENCY9 STEAM CONDENSERS10 CONDENSING WATER REQUIRED11 AIR PUMPS12 COMBUSTION OF FUELS BY MASS13 CALCULATION OF AIR FUEL RATIO14 COMBUSTION OF FUELS BY VOLUME15 THE CALORIFIC VALUE OF A FUEL16 CALORIFIC VALUE BY CHEMICAL ANALYSIS17 COMPRESSORS18 GAS TURBINES19 VELOCITY DIAGRAMS20 GOVERNERS21 THE HARTNELL GOVERNER AND CALCULATIONSCHAPTER 1 THERMODYNAMIC OF GASESG eneral introduction, Specific heat, Two laws of OF GASESI ntroduction, The polytrophic process and a gas, The isothermal process, The adiabatic process, Summary of compression and expansion laws of change of entropy for a gas, The entropy chart for a GENERATIONMain types of boilers, Methods of firing, Properties of AND THE FORMATION OF STEAME nthalpy tables.

7 Temperature-enthalpy of steamIntroduction, The internal energy of steam, Use of enthalpy-entropy OF STEAMI ntroduction, The separating calorimeter, The throttling calorimeter, The combined separating and throttling EFFICIENCYI ntroduction, Equivalent evaporation from and at CONDENSERSP urpose of a condenser, Types of condenser, The surface condenser, The jet condenser, Dalton s law of partial WATER REQUIREDI ntroduction, Measuring the vacuum in a PUMPSI ntroduction, Air ejectors, Condenser and vacuum efficiency, Effect of air leakage into condensers, Cooling surface OF FUELS BY MASSC ombustion of solid, Liquid and gaseous fuels, Basic chemistry, Combustion equations, Stoichiometric or chemically correct air-fuel ratio, Exhaust and flue gas OF AIR-FUEL RATIOC ombustion of hydrocarbon OF FUELS BY CALORIFIC VALUE OF A FUELP ractical determination of calorific values, The gas VALUE BY CHEMICAL ANALYSISI ntroduction, Orsat of a compressor, Reciprocating compressor, Work done by a single- stage compressor, Reciprocating compressors including TURBINESI ntroduction to gas turbines, The simple turbine, Types of turbine, Blade velocity, Blade angles and power developed in the blades of the impulse turbine, Reaction blade DIAGRAMSThe reaction turbine, The combination of inlet and outlet function of a governor, Dead-mass governors, Spring-controlled governors, Definitions and descriptions of certain actions of HARTNELL GOVERNOR AND MECHANICS N5 MODULETHEMEWEIGHTED VALUE1 PROPERTIES OF HYDRAULIC FLUID2 PRESSURE3 SIMPLE HYDRAULIC SYSTEMS4 HYDROSTATIC FORCES ON SUBMERGED AREAS(HSF)5 HYDROSTATIC FORCES ON IMMERSED BODIES6 HYDRODYNAMICS7 FLOW MEASUREMENT8 ORIFICES9 PIPELINE SYSTEMS10 HYDRAULIC TURBO MACHINERY11 IMPULSE TURBINESCHAPTER 1 PROPERTIES OF HYDRAULIC FLUIDF luid-Closed and open systems.

8 Properties of hydraulic fluid- Mass density, Compressibility, Viscosity, Kinematic viscosity, Surface 2 PRESSUREF ormula, Pascal s principle, Measurement of pressure- Mercury barometer, Piezometer, Manometer, Bourdon gauge; Vapour 3 SIMPLE HYDRAULIC SYSTEMSThe actuating cylinder, The pressure intensifier, Pressure accumulators- Weighted accumulator, Spring loaded accumulator, Gas charged accumulator; Hydraulic 4 HYDROSTATIC FORCES ON SUBMERGED AREAS(HSF)Pressure distribution diagram, Centre of pressure, General case of HSF, Comparison of a plate at the surface and a plate that is submerged, Hydrostatic forces on curved surfaces- Horizontal component, Vertical component, resultant 5 HYDROSTATIC FORCE ON IMMERSED 6 HYDRODYNAMICSFlow patterns, Types of flow, Reynold s number, Rota flow meter, Hydrodynamics formulae, Conservation of mass, Conservation of energy- Potential energy, Pressure energy, Kinetic energy; Friction 7 FLOW MEASUREMENTV enturimeter, Pitot 8 ORIFICESI ntroduction, Types of 9 PIPE LINE SYSTEMSI ntroduction, Shock losses- Sudden enlargement, Sudden contraction; Frictional resistance to flow, Equivalent length and equivalent 10 HYDRAULIC TURBO MACHINERYH ydrodynamic turbo machines, Positive displacement turbo machines, Energy equation for hydraulic turbo machines, Forced exerted by a jet- Force on a stationary plate, Force on a moving flat plate, Force on a plate on angle.

9 Force on fixed curve vane, Force on a moving curved vane, Forces on reducers and 11 IMPULSE TURBINESThe simple turbine, The impulse turbine- Vector diagram, N5 MODULETHEMEWEIGHTED VALUE1 EPICYCLIC GEAR AND GEAR TRAINS2 REDUCTION GEAR BOX3 BELT DRIVES4 BUCKET ELEVATORS AND BUCKET CONVEYERS5 ROPE HAULAGES AND AERIAL ROPEWAYS6 ELEVATORS7 RAIL AND ROAD TRACTION8 FLYWHEELSCHAPTER 1 EPICYCLIC GEAR AND GEAR TRAINSE picyclics made up of spur gears, Epicyclics made up of bevel gears, Application of epicyclic gears, The cyclometer mechanism, Humpage s gear, Differential mechanism, other types of final 2 REDUCTION GEAR BOXF unctions, Types of gears utilised by reduction gear boxes, Construction, Uses, Worm gear reduction unit, Three speed gear box, 3 BELT DRIVESFlat and V belt drives (centrifugal force included), belt conveyers (horizontal and inclined drives)CHAPTER 4 BUCKET ELEVATORS AND BUCKET CONVEYERSB ucket elevators, Bucket 5 ROPE HAULAGES AND AERIAL ROPEWAYSRope haulages- Endless rope, Main and tail rope types; Aerial ropeways (vertical components excluded) - Capstan 6 ELEVATORSG oods and passenger 7 RAIL AND ROAD TRACTIONRail traction- Tractive effort of locomotive, Drawbar pull, Symbols; Road traction-Formulae, Motion on level roads, Motion on inclines.

10 Skidding and overturning on curved 8 FLYWHEELSE lementary N5 MODULETHEMEWEIGHTED CIRCUIT THEORY203 TRANSFORMER204 MEASURING INSTRUMENTS205AC MACHINES106 GENERATION AND SUPPLY OF AC POWER 10 CHAPTER MACHINESA rmature reaction, effects of forward brush shift, Armature reaction in DC motor, Commutation, Methods of improving commutation, Load characteristics of generator, Torque of an Electric 2AC CIRCUIT THEORYA verage and RMS value of AC, Sinusoidal Current and Voltages, Resonance in RLC, Generation of three phase EMF, Relationship between Line and Phase Voltages and 3 TRANSFORMERU seful and leakage fluxes in a tra