BHEL Artisan Syllabus 2025, BHEL Artisan Exam Pattern 2025

BHEL Artisan Exam Syllabus 2025: BHEL की ओर से ITI Pass Candidates के लिए Artisan की Post पर Recruitment निकली है जिसका Online form 16-07-2025 से 12-08-2025 तक form भरे जायेगे | BHEL Artisan Recruitment 2025 के Exam Pattern और BHEL Artisan Recruitment Exam Syllabus 2025 निचे दी गयी है | BHEL Artisan Syllabus 2025 PDF भी दे दिया गया है |

BHEL Artisans Recruitment 2025

BHEL Artisan Recruitment 2025 Qualification

• 10th+ITI+NAC in above given trades

BHEL Artisan Recruitment Selection Process 2025

• CBE (Computer Based Examination)
• Skill Test & Document Verification
• Medical

BHEL Artisan Recruitment Exam Pattern 2025

• BHEL Examination for induction as Artisans has 120 Objective type multiple choice questions with four Options. The questions and options are trilingual i.e. in Hindi and English and one more vernacular language, based on candidate preference. (Except for Foundryman and Electronics Mechanic Trades)
• If there is any variation between the English and Hindi versions of a question, English version is to be treated as authentic.

BHEL Artisan Electrician Syllabus 2025

SYLLABUS For – ELECTRICIAN TRADE- Theory (70 Marks)

• Basic Electrical Engineering

• Ohm’s Law, Kirchhoff’s Laws
• Resistance, Conductance, Power, Energy, Efficiency
• Series and Parallel Circuits, AC/DC Circuits
• Electrical Units and Measurements

• Electrical Machines

• Types of Motors: DC Motor, Induction Motor, Universal Motor
• Transformers – working principle, types, and applications
• Alternators and Generators
• Motor Starters and Speed Control Methods

• Wiring & Installation

• Types of wiring: Cleat, Casing-Capping, Conduit
• Wiring Accessories and their symbols (MCB, DB, Fuse, etc.)
• Wiring diagrams – single line and schematic
• Fault finding in domestic and industrial wiring
• Earthing techniques.

• Tools, Safety & Maintenance

• Hand tools and their uses
• PPE (Personal Protective Equipment)
• Electrical Safety Practices (shock prevention, fire hazards)
• Preventive and breakdown maintenance

• Electrical Drawing & Reading

• Reading and interpreting circuit diagrams and schematics
• Panel wiring diagrams
• Symbols used in electrical drawings

• Measuring Instruments

• Multimeter /Digital Multimeter, Megger, Voltmeter, Ammeter, Wattmeter
• Energy Meter
• Clamp Meter – usage and precautions

• Earthing and Grounding

• Purpose and methods of earthing
• Types of earthing (Pipe, Plate, Rod)
• Earth resistance – permissible values and testing

• Fundamentals of Electronics

• Diodes, Rectifiers, LEDs
• Transistors (basic function)
• Relays and Contactors

• Batteries and UPS

• Battery types, charging methods, and safety
• Inverter and UPS – working and applications

• Industrial Electricals

• Basics of PLC, control panels
• Electrical motors used in industry (HT/LT)
• Electrical machines manufactured by BHEL

Engineering Drawing & Workshop Calculation (30 Marks)

Engineering Drawing:
o Reading of Electrical Sign and Symbols.
o Reading of Electrical Circuit Diagram & Reading of Electrical Layout drawing
o Sketches of Electrical components.
o Reading of Electrical wiring diagram and Layout diagram. Reading of Electrical earthing diagram.
Drawing the schematic diagram of plate and pipe earthing.
o Drawing of Electrical circuit diagram.
o Drawing of Block diagram of Instruments & equipment of trades.

Workshop Calculation:

• Unit, Fractions
• Square root, Ratio and Proportions, Percentage
• Algebra – Addition, subtraction, multiplication & division, Theory of indices, algebraic formula
• Mensuration – Area and perimeter of square, rectangle and parallelogram, Area and perimeter of
  Triangles
• Profit and loss – Simple problems on profit & loss, Simple and compound interest
• Estimation and Costing
• Material Science – Types metals, types of ferrous and non ferrous metals
• Heat & Temperature and Pressure – Concept of heat and temperature, effects of heat, difference
  between heat and temperature, boiling point & melting point of different metals and non-metals
• Elasticity – Elastic, plastic materials, stress, strain and their units and young’s modulus

SYLLABUS For – ELECTRONICS MECHANIC TRADE- Theory (70 Marks)

1. Hand tools and their uses
   Identify, tools; filing, hacksawing, fitting, drilling, and basic metalwork.
2. Basics of AC and Electrical Cables
   Identify, test, measure, and prepare electrical cables; basic electrical concepts and cable specs.
3. Single range meters -set meters; check continuity; measure voltage and current.
4. Cells & Batteries
   Identify terminals, measure voltage, charge/discharge, test readiness, types and specifications.
5. AC & DC measurements
   Use multimeter, CRO/DSO, and function generator to measure and observe electrical parameters;
   learn meter types, controls, and maintenance
6. Digital Storage Oscilloscope
   Identify controls, measure signal parameters, print signals, and build/test function generator; learn
   features and applications of DSO and CRO.
7. Soldering/ De-soldering and Various Switches
   Practice soldering/de-soldering, repair PCB tracks, identify and use various switches, and make
   switch panel boards.
8. Active and Passive Components
   Identify and test resistors, inductors, capacitors, relays, and circuit breakers; Ohm’s and Kirchhoff’s
   laws; RC circuits and resonance circuits.
9. Power Supply Circuits
   Test diodes and transformers; build and test rectifiers; measure ripple; voltage regulators; transformer
   types and diode basics.
10. IC Regulators
    Test diodes and transformers, build and test rectifiers and voltage regulators, measure ripple and
    regulation. Construct fixed and variable IC-based voltage regulators (78/79 series, LM317T, IC723).
    diode biasing, transformer types, rectifier efficiency, and regulator principles.
11. Transistor
    Identify and test transistors, understand construction and terminals, learn biasing, characteristics, and
    applications as switches and amplifiers.
12. Amplifier
    Build and test various transistor amplifiers (fixed, emitter, voltage divider bias, common emitter,
    collector, biasing, configurations, characteristics, gain, and feedback.
13. Oscillators
    Build and test Colpitts, Hartley, RC phase shift, and crystal oscillators; demonstrate astable,
    monostable, and bistable multivibrators; understand positive feedback.
14. Wave shaping circuits
    Build and test shunt, series, dual clippers, clampers, and Zener diode peak clippers;
15. Power Electronic Components
    Identify power components; build and test FET amplifiers, SCR circuits, TRIAC dimmers, and UJT
    oscillators;, terminals, and applications.
16. MOSFET & IGBT
    Identify and test MOSFETs and IGBTs, characteristics, switching speed, and differences from FETs
    and transistors.
17. Opto Electronics
    Test LEDs, circuits with photovoltaic cells, photodiodes, and phototransistors; characteristics and
    applications of optical sensors and opto-isolators.
18. Basic Gates
    truth tables of logic gates; build gates using NAND/NOR; test digital ICs; learn digital basics and
    number systems.
19. Combinational Circuits:
    Build and test adders, subtractors, decoders, encoders, multiplexers, and demultiplexers.
20. Flip Flops:
    Identify and test various flip-flop ICs (RS, D, T, JK), latches, and understand timing and applications.
21. Op-Amp & Timer 555 Applications:
    Test analog ICs, Op-Amp circuits (amplifiers, integrators, comparators), and construct timer 555
    circuits (astable, monostable, VCO, PWM).
22. Electronic Cables & Connectors
    Types of cables/connectors, soldering, testing, and PC/network cable setups.
23. Basic SMD (2, 3, 4 terminal components)
    Identify, de-solder, and solder 2, 3, 4 terminal SMD parts; check PCB continuity; find loose solder and
    broken tracks. Learn SMD advantages, reflow soldering, hardware selection, and inspection.
24. SMD Soldering and De-soldering
    Set up SMD soldering station, use crimping tools for various IC packages, solder/de-solder ICs,
    rework defective components, inspect solder quality, and understand SMT equipment like pick-andplace machines and reflow ovens.
25. PCB Rework
    Inspect, test, and repair single and double-layer PCBs. Detect solder joint defects, fix damaged tracks,
    pads, and solder masks. Learn ESD prevention and non-soldering interconnections.
26. Protection devices
    Identify types of fuses, holders, MCBs, ELCBs, contactors, and relays; understand fuse ratings and
    working voltages. Test MCBs, ELCBs, DC motors, and stepper motors; understand motor control and
    protection devices.
27. Communication electronics
    Practice AM/FM modulation and demodulation, test transmitters/receivers, study antennas,
    modulation types, and digital signal techniques.
28. Microcontroller (8051)
    Identify ICs, configure ports, blink LEDs, use timers, write simple programs. Learn architecture,
    memory, registers, and compare 8051/8052. Intro to PIC.
29. Sensors, Transducers used in IoT Applications
    Identify and use sensors (temperature, proximity, load cells). Measure and detect signals. Basics of
    transducers. Connect and program microcontroller (LED, buzzer, sensors). Intro to IoT and smart
    systems.
30. Analog IC Applications
    Build simple projects using ICs 741, 723, 555, 7106, 7107.
    Examples: laptop protector, battery monitor, metal detector, smoke detector, water level controller,
    etc.
    Focus on component use and IC data. (45 Hrs practical + 9 Hrs discussion)
31. Digital IC Applications
32. Fiber optic communication
33. Digital panel Meter
    Use LED/LCD displays with driver ICs to show text and measure current.
    Learn seven-segment displays, multiplexing, and DPM ICs.
34. SMPS and Inverter
    Identify, dismantle, test, troubleshoot, repair, install SMPS and inverters.
    Build/test DC-DC converters.Learn working principles.
35. UPS
    Connect and test battery and load; identify UPS components and circuits; monitor voltages; perform
    backup load test. UPS types, principles, specs, installation, and protections.
36. Solar Power (Renewable Energy System)
    Wire solar controller, connect batteries & inverter, test solar panel with load, install solar inverter,
    measure charging time. Learn solar energy principles, PV cells, modules, systems, controllers, and
    safety.
37. LED Lights
    Identify and connect LED stacks and circuits. Series/parallel LED strings and matrix. Test voltages.
    LED panel types and driving.
38. LCD and LED TV
    Identify, dismantle, troubleshoot, repair, and test TVs and remotes.
    Connect external devices. Learn basics of TV types, interfaces, and remotes.

Engineering Drawing & Workshop Calculation (30 Marks)

Engineering Drawing:

• Engineering Drawing and Drawing Instruments; -Conventions, Sizes and layout of drawing sheets,
  Title Block, its position and content, Drawing Instrument.
• Free hand drawing of; Geometrical figures and blocks with dimension, transferring measurement from
  the given object to the free hand sketches., Free hand drawing of hand tools and measuring tools.
• Lines – Types and applications in drawing
• Geometrical figures; Angle, Triangle, Circle, Rectangle, Square, Parallelogram. Lettering &
  Numbering – Single Stroke, double stroke, inclined.
• Electronic Circuit Diagram, Electronic Layout drawing.
• Electronics Sign and Symbols, Electronics components, Block diagram of Instruments & equipment
  of trades.
  Workshop Calculation:
• Unit, Fractions
• Square root, Ratio and Proportions, Percentage
• Algebra – Addition, subtraction, multiplication & division, Theory of indices, algebraic formula
• Estimation and Costing
• Material Science – Types metals, types of ferrous and non ferrous metals
• Heat & Temperature and Pressure – Concept of heat and temperature, effects of heat, difference
  between heat and temperature, boiling point & melting point of different metals and non-metals
• Trigonometry

SYLLABUS FOR FITTER TRADE – Theory (70 Marks)

1. Marking off and layout tools, dividers, scribing block – – description, classification, material, care &
   maintenance.
2. Try square, ordinary depth gauge, protractor- description, uses and cares.
3. Uses, care & maintenance of cold chisels- materials, types, cutting angles.
4. Power Saw, band saw, Circular saw machines used for metal cutting.
5. Micrometer- outside and inside – principle, features, parts graduation, reading, use and care,
   Micrometer depth gauge, parts, graduation, reading, use and care. Digital micrometer.
6. Vernier calipers, principle, construction, graduations, reading, use and care. Vernier bevel protractor,
   construction, graduations, reading, use and care, dial Vernier Caliper, Digital Vernier caliper, Vernier
   height gauge: material construction, parts, graduations (English & Metric) uses, care and
   maintenance.
7. Drilling processes: common type (bench type, pillar type, radial type), gang and multiple drilling
   machine, Determination of tap drill size.
8. Marking and measuring tools , wing compass, tinman9s square tools, snips, types and uses, Tinman9s
   hammers and mallets type-sheet metal tools, types, specifications, uses.
9. Trammel- description, parts, uses.
10. Hand grooves- specifications and uses.
11. Sheet and wire gauge.
12. Precautions in electric and gas welding. (Before, during, after), safety equipment and their uses.
13. Machines and accessories, welding transformer, welding generators, Welding hand tools: Hammers,
    welding description, types and uses, description, principle, method of operating, carbon dioxide
    welding.
14. H.P. welding equipment: description, principle, method of operating, L.P. welding equipment:
    description, principle, method of operating.
15. Types of Joints- Butt and fillet as per BIS SP:46-1988 specifications. Gases and gas cylinder
    description, kinds, main difference and uses.
16. Setting up parameters for ARC welding machines-selection of Welding electrodes.
17. Oxygen acetylene cutting – machine description, parts, uses, method of handling cutting torchdescription, parts, function and uses.
18. Drill- material, types, (Taper shank, straight shank) parts and sizes, Drill angle-cutting angle for
    different materials, cutting speed feed, R.P.M. for different materials, Drill holding devices – material,
    construction and their uses, Drill troubles: causes and remedy. Drill kinds: Fraction, metric, letters
    and numbers, grinding of drill.
19. Counter sink, counter bore and spot facing-tools and nomenclature,
20. Reamer – material, types (Hand and machine reamer), kinds, parts and their uses, Determining hole
    size (or reaming), Reaming procedure.
21. Screw threads: terminology, parts, types and their use, Screw pitch gauge: material, parts and uses.
22. Taps British standard (B.S.W., B.S.F., B.A. & B.S.P.) and metric /BIS (coarse and fine) material, Parts
    (shank body, flute, cutting edge).
23. Equality of lips, correct clearance, dead centre, length of lips.
24. Grinding wheel: Abrasive, grade structures, bond, specification, use, mounting and dressing,
    Selection of grinding wheels. Bench grinder parts and use.
25. Interchange ability: Necessity in Engg, field definition, BIS Definition, types of limit, terminology of
    limits and fits- basic size, actual size, deviation, high and low limit, zero line, tolerance zone, Different
    standard systems of fits and limits. British standard system, BIS system.
26. Maintenance : -Total productive maintenance, Autonomous maintenance, Routine maintenance,
    Maintenance schedule, Retrieval of data from machine manuals, Preventive maintenance-objective
    and function of Preventive maintenance, Section inspection, Visual and detailed, lubrication survey,
    system of symbol and colour coding, Revision, simple estimation of materials, use of handbooks and reference table, Possible causes for assembly failures and remedies, Installation, maintenance and
27. overhaul of machinery and engineering equipment.
28. Templates and Radius/fillet gauge, feeler gauge, hole gauge, and their uses, care and maintenance.
29. Metallurgical and metal working processes such as Heat treatment.
30. Various heat treatment methods – normalizing, annealing, hardening and tempering, purpose of each
    method, tempering colour chart.
31. Annealing and normalizing, Case hardening and carburising and its methods, process of carburising
    (solid, liquid and gas).
32. Gauges and types of gauge commonly used in gauging finished product, Method of selective
    assembly 8Go9 system of gauges, hole plug basis of standardization.

Engineering Drawing & Workshop Calculation (30 Marks)
Engineering Drawing:

• Engineering Drawing and Drawing Instruments;-Conventions, Sizes and layout of drawing sheets,
  Title Block, its position and content, Drawing Instrument.
• Free hand drawing of; Geometrical figures and blocks with dimension, transferring measurement from
  the given object to the free hand sketches., Free hand drawing of hand tools and measuring tools.
• Lines – Types and applications in drawing
• Geometrical figures; Angle, Triangle, Circle, Rectangle, Square, Parallelogram. Lettering &
  Numbering – Single Stroke, double stroke, inclined.
• Reading of dimension and Dimensioning Practice. – Types of arrowhead, Leader line with text,
  Position of dimensioning (Unidirectional, Aligned)
• Concept of axes plane and quadrant, Concept of Orthographic and Isometric projections, Method of
  first angle and third angle projections
• Symbolic representation different symbols used in the related trades.

Workshop Calculation:

• Unit, Fractions
• Square root, Ratio and Proportions, Percentage
• Algebra – Addition, subtraction, multiplication & division, Theory of indices, algebraic formula
• Mensuration – Area and perimeter of square, rectangle and parallelogram, Area and perimeter of
  Triangles, Area and perimeter of circle, semi-circle, circular ring, sector of circle, hexagon and
  ellipse, Surface area and volume of solids – cube, cuboid, cylinder, sphere and hollow cylinder,
  Finding the lateral surface area, total surface area and capacity in litres of hexagonal, conical and
  cylindrical shaped vessels
• Levers and Simple machines, Simple machines – Effort and load, mechanical advantage, velocity
  ratio, efficiency of machine, relationship between efficiency, velocity ratio and mechanical advantage
• Trigonometry – Measurement of angles, Trigonometrical ratios, Trigonometrical tables
• Centre of gravity – Centre of gravity and its practical application
• Area of cut out regular surfaces and area of irregular surfaces, Area of cut out regular surfaces – circle,
  segment and sector of circle, Related problems of area of cut out regular surfaces – circle, segment
  and sector of circle, Area of irregular surfaces and application related to shop problems
• Elasticity – Elastic, plastic materials, stress, strain and their units and young9s modulus, Elasticity –
  Ultimate stress and working stress
• Heat treatment and advantages, Heat treatment – Different heat treatment process – Hardening,
  tempering, annealing, normalising and case hardening
• Estimation and Costing, Simple estimation of the requirement of material etc., as applicable to the
  trade, Problems on estimation and costing

SYLLABUS FOR MACHINIST TRADE – Theory (70 Marks)

1. Drill, Tap, Die-types & application. Determination of tap drill size. Basic terminology related to screw
   thread. Reamer- material, types (Hand and machine reamer), parts and their uses, determining hole
   size for reaming, Reaming procedure.
2. Vernier height gauge: construction, graduations, Vernier setting & reading. Care and maintenance of
   Vernier height Gauge. Vernier calliper-its parts, principle, reading, uses & care. Outside micrometreits parts, principle, reading, uses, Reading of Vernier Micrometre), care & maintenance.
3. Drilling machines-types &their application, construction of Pillar & Radial drilling machine.
   Countersunk, counter bore and spot facing-tools and nomenclature. Cutting Speed, feed, depth of
   cut and Drilling time calculations.
4. Interchangeability: Necessity in Engg., field, Limit- Definition, types, terminology of limits and fitsbasic size, actual size, deviation, high and low limit, zero-line, tolerance zone, allowances. Different
   standard systems of fits and limits. (British standard system & BIS system)
5. Slotter– Classification, principle, construction, Safety precaution. Introduction and their indexing
   process on a Slotter by its Rotary table graduations. Driving mechanisms, quick return motion and
   speed ratio. Safety points to be observed while working on a Slotter. Job holding devices-vice,
   clamps, V-block, parallel block etc. Slotting tools- types, tool angles. Spline – types and uses.
6. Coolant & lubricant –Introduction, types, properties, application & applying methods.
7. Milling Machine: Introduction, types, parts, construction and specification. Driving and feed
   mechanism of Milling Machine. Different types of milling cutters & their use. Cutter nomenclature.
   Different milling operations – plain, face, angular, form, slot, gang and straddle milling etc. Up and
   down milling. Different types of milling attachments and their uses.
8. Jigs and Fixtures– Introduction, principle, types, use, advantages & disadvantages. Properties of
   metals general idea of physical, mechanical properties of metals, colour, weight, hardness
   toughness, malleability, ductility their effect on machinability.
9. Heat Treatment – Introduction, necessity, types, Purposes, different methods of Heat Treatment.
   Heat Treatment of Plain Carbon Steel. Indexing-introduction & types. Indexing head-types &
   constructional details, function of indexing plates and the sector arms. Calculation for direct and
   simple indexing.
10. Grinding – Introduction, grinding wheel- abrasive, types, bond, grade, grid, structure, standard
    marking system of grinding wheel, selection of the grinding wheel. Dressing, types of dresser. Glazing
    and Loading of wheels – its causes and remedies. Roughness values and their symbols.
11. Surface Grinder –Types, Parts, construction, use, methods of surface grinding,
12. Cylindrical grinder: Introduction, parts, construction, types, specification, safety, different methods of
    cylindrical grinding. Cutting speed, feed, depth of cut, machining time calculation. Wet grinding and
    dry grinding, various types of grinding wheels and their application, grinding defects and remedies.
13. Tool & cutter grinder- Introduction, parts, construction, use and specification, different types of tool
    rest & their application. Various methods of cutter grinding. Various cutter grinding attachments and
    their uses.
14. Geometrical tolerances, definition, symbol and their application. Depth Micrometer – Parts, reading,
    uses and safety. Different types of micrometers and their uses. Inside Micrometer – its parts, reading
    and uses. Bore Dial Gauge – its parts, reading and uses. Telescopic gauge. Gauges – different types
    and their uses, difference between Gauges and Measuring Instruments. Gear introduction, use and
    type. Elements of a spur gear. Gear tooth of each forms types, merits and demerits of each.
15. Vertical Milling Machine- its parts. Method of boring in Vertical milling. Difference between Horizontal
    and Vertical Milling Machine. Reamer – types, elements and uses. Calculations for cutting Reamer.
    Twist drill-nomenclature, cutter selection. Calculations for cutting twist drill.
16. VMC.CNC technology basics, Comparison between CNC VMC and conventional milling machines.
    Concepts of positioning accuracy, repeatability. CNC VMC machine elements and their functions –
    bed, chuck, Auto tool changer (ATC), ball screws, guide ways, LM guides, coolant system, hydraulic
    system, chip conveyor, rotary table, pallet changer, console, spindle motor and drive, axes motors,
    encoders, control switches. Feedback, CNC interpolation, open and close loop control systems.
    Machining operations and the tool paths in them – Face milling, Side milling, Pocket milling, Drilling,
    Countersinking, Rigid tapping, floating tapping Reaming, Rough boring, Finish boring, Spot facing.
    Concept of Co-ordinate geometry& polar coordinate points, concept of machine axis, axes convention
    on CNC lathes, work zero, machine zero.
17. Absolute and incremental programming. Programming – sequence, formats, different codes and
    words. ISO G and M codes for CNC milling. Canned cycles for drilling, peck drilling, reaming, tapping,
    finish boring. Subprograms.
18. Writing part programs as per drawing & check using CNC program verification software. Process
    planning, work holding, tool and cutting parameters selection according to the part geometry and
    dimensions. Program checking in single block and dry run modes -necessity and method. Tool offsets
    adjustment on first part for close tolerance dimensions, by oversizing (for outside dimensions) or
    under sizing (for inside dimensions) the dimension to prevent part rejection.
19. Process planning & sequencing, tool layout & selection and cutting parameters selection. Work offset,
    tool length offset, tool radius offset. Work holding with temporary holding and fixtures. Truing of part
    and fixture. Machine operation modes – Jog, MDI, MPG, Edit, Memory. Entering and editing programs
    on machine console, entering offsets data in offsets page. Use of Emergency stop, Reset, Feed rate
    override, spindle speed override, edit lock on/off buttons and keys.
20. Collisions due to program errors, effects of collisions. Costs associated with collisions – tool breakage,
    machine damage, injuries. Program execution in different modes like manual, single block and auto.
    Collisions due to improper machine setup and operation – causes and effects. Recovering from
    collisions. State the importance of Helical inter-polar and thread milling, advantage and limitation in
    CNC machine.
21. Tool wear and necessity for wear offsets change, entering wear offsets in offsets page. Effects of
    sudden machine stoppage due to power shutdown or use of emergency stop. Restarting machine
    from sudden stoppage.
22. Means of program transfer through electronic media. Productivity concepts, cycle time, machine
    down time, causes of down time – breaks, machine breakdown, inspection, part loading and
    unloading, chip cleaning. Effect of down time on profitability, reducing down time. Machine hour rate,
    components of machine hour rate – principal repayment, interest, overheads (power, tooling, space,
    salaries, indirect expenses). Calculation of machining cost, cost of down time.
23. Cutter radius compensation (CRC) and why it is necessary. Cutting tool materials, application of
    various materials. Cutting tool geometry for face mill, end mill, drill, countersink, tap, finish bore,
    reamer. Insert holding methods face mill, insert type end mill and insert type drill. Insert cutting edge
    geometry. Cutting parameters- cutting speed, feed rate, depth of cut. Tool wear, tool life, relative
    effect of each cutting parameter on tool life. Selection of cutting parameters from a tool manufacturer’s
    catalogue for various operations.
24. Calculations for cutting helical slab/ cylindrical cutter. Calculations for cutting End Mill cutter. Bevel
    gear-elements, types, application, calculation for cutting bevel gear. Cam-types, elements &
    application, Plate cam manufacturing & calculations. Drum cam- its calculation, advantages, types of
    follower & its purposes. Worm wheel-application, elements & calculation, Worm-calculation. Types
    of Keys and their uses. Variation – types and causes. Testing of Gear and error.

Engineering Drawing & Workshop Calculation (30 Marks)

Engineering Drawing:
Introduction to Engineering

• Drawing and Drawing Instruments –
• Conventions
• Sizes and layout of drawing sheets
• Title Block, its position and content
• Drawing Instrument
  Lines- Types and applications in drawing Free hand drawing of – Geometrical figures and blocks with
  dimension
• Transferring measurement from the given object to the free hand sketches.
• Free hand drawing offhand tools and measuring tools. Drawing of Geometrical figures:
• Angle, Triangle, Circle, Rectangle, square, Parallelogram.
• Lettering & Numbering- Single Stroke.
  Dimensioning
• Types of arrow head
• Leader line with text
• Position of dimensioning (Unidirectional, Aligned) Symbolic representation–
• Different symbol used in the related trades. Concept and reading of Drawing in
• Concept of axes plane and quadrant
• Concept of Orthographic and ISO metric projections
• Method of first angle and third angle projections (definition and difference)
  Reading of Job drawing of related trades.

Workshop Calculation:

• Unit, Fractions
• Classification of unit system
• Fundamental and Derived units F.P.S, C.G.S, M.K.S and SI units
• Measurement units and conversion
• Fractions – Addition, subtraction, multiplication & division
• Decimal fractions – Addition, subtraction, multiplication& division
• Solving problems by using calculator
• Square root, Ratio and Proportions, Percentage
• Square and square root
• Simple problems using calculator
• Applications of Pythagoras theorem and related problems
• Ratio and proportion
• Ratio and proportion – Direct and indirect proportions
• Percentage
• Percentage – Changing percentage to decimal and fraction
• Mass, Weight, Volume and Density
• Mass, volume, density, weight and specific gravity
• Related problems for mass, volume, density, weight and specific gravity
• Speed and Velocity, Work, Power and Energy
• Work, power, energy, HP, IHP, BHP and efficiency
• Heat & Temperature and Pressure
• Concept of heat and temperature, effects of heat, difference between heat and temperature, boiling point &
• melting point of different metals and non-metals
• Concept of pressure – Units of pressure, atmospheric pressure, absolute pressure, gauge pressure and
• gauges used for measuring pressure
• Basic Electricity
• Introduction and uses of electricity, electric current AC,DC their
• comparison, voltage, resistance and their units
• Trigonometry
• Measurement of angles

• Trigonometrical ratios, Trigonometrical tables.

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