Karnataka SSLC Elements of Mechanical Engineering IV - JTS (KSEAB) study materials
Karnataka SSLC Elements of Mechanical Engineering IV - JTS (KSEAB) study resources

Karnataka SSLC Elements of Mechanical Engineering IV - JTS (KSEAB) study plan

Karnataka SSLC Elements of Mechanical Engineering IV - JTS (KSEAB) · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

Engineering Materials and Their Properties

  • Classify ferrous and non-ferrous metals and list two workshop uses of each

  • Define and compare mechanical properties such as hardness, toughness, ductility and brittleness with one everyday example each

  • Explain how carbon content changes the properties of plain carbon steel and name one application per range

  • Describe the purpose of heat treatment processes like annealing, hardening and tempering in simple terms

Your checkpoint

A one-page material-property table covering at least 10 materials with property, example and application columns, plus 15 self-written recall questions answered from memory

Week 2

Hand Tools, Measuring Instruments and Workshop Practice

  • Identify common hand tools such as hammers, chisels, files, hacksaws and taps and state the safe use of each

  • Read a vernier caliper, micrometer and steel rule to the correct least count and record three sample readings

  • Describe layout and marking operations using surface plate, scriber, punch and try square

  • Sequence the steps of drilling, tapping and reaming in a bench-work job

  • State five workshop safety rules for hand tool use

Your checkpoint

A measurement log sheet with least-count calculations and ten practice readings (at least three from each instrument type) checked against expected values

Week 3

Fasteners, Bearings, Seals and Fits

  • Distinguish bolt, nut, stud, screw and rivet and match each to a joint situation

  • Explain bearing types (ball, roller, plain, thrust) and select one for a given load and speed case

  • Describe the function of gaskets, oil seals and packing and where each is used

  • Define clearance, interference and transition fits and quote one standard example of each

Your checkpoint

A fastener-and-bearing selection chart with at least 8 entries, each showing component, function, and one application, plus a short note on fit types

Week 4

Power Transmission: Belts, Pulleys, Gears, Chains and Couplings

  • Calculate velocity ratio, belt speed and power transmitted for a simple belt drive

  • Explain slip, creep and the need for idler pulleys in belt drives

  • Compute gear ratio, module and centre distance for a spur gear pair

  • Compare belt, chain and gear drives on speed, distance and load capacity

  • Describe coupling types and where a flexible coupling is preferred over a rigid one

Your checkpoint

A worked problem set of 10 power-transmission numericals (at least 3 belt, 3 gear, 2 chain, 2 coupling-related) with full steps and answers

Week 5

Simple Machines, Levers, Pulleys and Mechanical Advantage & Power Transmission: Belts, Pulleys, Gears, Chains and Couplings

  • Define mechanical advantage, velocity ratio and efficiency and derive their relation

  • Solve lever problems for all three classes and identify the class from a described setup

  • Calculate MA and VR for single, double and pulley-block systems

  • Revisit gear and pulley problems from week 4 and solve two combined machine problems

Your checkpoint

A formula sheet plus 12 solved simple-machine problems, with at least 4 levers, 4 pulley systems and 4 mixed problems, each showing given, formula and answer

Week 6

Thermodynamics Fundamentals: Heat, Temperature and Laws & Steam Boilers, Steam Engines and Turbines

  • Distinguish heat from temperature and convert values between Celsius, Fahrenheit and Kelvin

  • State the first and second laws of thermodynamics in plain language with one example each

  • Explain sensible heat, latent heat and specific heat and use them in a simple calorimetry calculation

  • Label the main parts of a boiler and describe the working of a fire-tube and a water-tube boiler

  • Compare impulse and reaction steam turbines and describe the function of nozzles and blades

Your checkpoint

A concept map linking heat, temperature, laws and steam plant, plus 10 solved numericals on temperature conversion and heat quantity

Week 7

Internal Combustion Engines and Fuels & Pumps, Compressors and Fluid Machinery

  • Describe the four strokes of a petrol and a diesel engine and state how ignition differs

  • Compute indicated power, brake power and mechanical efficiency from given data

  • List properties of good fuel and compare petrol, diesel and CNG on two properties

  • Explain the working of a centrifugal pump and a reciprocating pump with a sketch in words

  • Describe compressor types and the use of an air receiver

Your checkpoint

A two-column comparison sheet for SI vs CI engines and centrifugal vs reciprocating pumps (at least 5 points each), plus 8 solved IC engine and pump numericals

Week 8

Maintenance, Safety Practices and Engineering Drawing Basics & Engineering Materials and Their Properties & Thermodynamics Fundamentals: Heat, Temperature and Laws

  • Plan a preventive maintenance schedule for a lathe or pump listing tasks and intervals

  • State five shop-floor safety practices and five causes of common accidents

  • Read and interpret basic drawing elements: lines, projections, dimensions and section views

  • Revise weak areas flagged in earlier milestones and re-solve two missed problems from each

  • Attempt one full-length timed mock test and review every wrong answer

Your checkpoint

A full-length mock test scored and reviewed with a written error log, plus a one-page maintenance and safety checklist

Milestones

Week 2: Score at least 70% on a self-made 20-question quiz on materials and measuring tools, and take all ten instrument readings within the stated least count

Week 4: Solve 8 of 10 power-transmission numericals correctly without referring to notes, and state the correct fit type for 5 given assembly situations

Week 6: Complete the thermodynamics and steam concept map from memory and get at least 8 of 10 heat and temperature numericals right

Week 8: Score at least 60% on the full-length mock test with no domain below 50%, and show a written error log covering every missed question