Tamil Nadu HSE Second Year Basic Automobile Engineering study plan
Tamil Nadu HSE Second Year Basic Automobile Engineering · Give each week a clear focus.
8 weeks · About 6 hours per week
Automobile Engine Fundamentals and Operation
Sketch and label the four-stroke and two-stroke cycle events, naming valve or port timing for each stroke
Explain the construction and function of cylinder block, head, piston, rings, connecting rod, crankshaft and flywheel
Compute engine capacity, compression ratio and indicated versus brake power from given bore, stroke and pressure data
Distinguish SI and CI combustion chamber designs and state why each suits its fuel
Your checkpoint
A one-page hand-drawn engine diagram with all major parts labelled plus five solved numerical problems on capacity, compression ratio and power
Automobile Engine Fundamentals and Operation & Fuel, Ignition, Cooling and Lubrication Systems
Describe carburettor circuits and fuel injection layouts, stating how air-fuel ratio changes across starting, idling, cruising and acceleration
Trace the petrol ignition circuit from battery through coil, distributor or ECU to spark plug and state the firing order logic
Compare cooling by air and by water, listing radiator, thermostat, water pump and fan functions
Explain lubrication grades, oil pump types, filters and the splash versus pressure feed systems
Your checkpoint
A comparison table of fuel, ignition, cooling and lubrication subsystems listing component, function and one common failure each
Fuel, Ignition, Cooling and Lubrication Systems & Transmission, Clutch, Gearbox, Differential and Axles
Explain clutch operation, single plate versus multi-plate construction, and the role of the release bearing and pressure plate
Describe sliding-mesh and constant-mesh gearboxes and calculate gear ratio, torque multiplication and vehicle speed from gear and tyre data
Trace power flow through propeller shaft, universal joints, final drive, differential and half shafts
State the purpose of differential action and identify the parts of a rear axle assembly
Your checkpoint
A power-flow chart from engine to road wheel with gear ratio and vehicle speed calculations for three gear positions
Transmission, Clutch, Gearbox, Differential and Axles & Steering, Suspension and Braking Systems
Solve five transmission problems combining gear ratio, tyre circumference and engine rpm
Explain steering geometry terms including camber, caster, toe-in, kingpin inclination and turning radius
Compare leaf spring, coil spring, torsion bar and MacPherson strut suspension with their advantages
Describe hydraulic brake operation, master cylinder, wheel cylinder, disc versus drum brakes and bleeding procedure
Your checkpoint
A timed 30-question self-test across domains 1 to 4, scored and corrected with every wrong answer rewritten as a correct statement
Steering, Suspension and Braking Systems & Electrical and Electronic Systems, Battery and Charging
Explain steering gearbox types and identify causes of hard steering, wander and vibration
Describe lead-acid battery construction, capacity ratings, charging and testing by hydrometer and load test
Trace the starting circuit from battery to starter motor and solenoid and explain the charging circuit with alternator and regulator
State the function of lighting, horn, wiper and indicator circuits and the role of fuses and relays
Your checkpoint
A labelled circuit diagram of the starting and charging system with a written fault-finding flow for a no-crank condition
Electrical and Electronic Systems, Battery and Charging & Vehicle Body, Wheels, Tyres and Workshop Practice
Diagnose four given electrical symptoms by naming the likely faulty component and the test used to confirm it
Identify wheel types, tyre construction, tyre markings and the meaning of aspect ratio and load index
Explain wheel balancing, alignment, tyre rotation and causes of uneven tyre wear
List common workshop hand tools, measuring instruments and safe lifting and jacking practice
Your checkpoint
A tyre marking decoding sheet for four tyre sizes plus a tool identification list of fifteen workshop items with their use
Vehicle Body, Wheels, Tyres and Workshop Practice & Automobile Maintenance, Servicing and Troubleshooting
Describe scheduled maintenance tasks at first service, 10000 km and 20000 km intervals
Explain troubleshooting logic for engine not starting, overheating, excessive oil consumption, brake drag and clutch slip
Interpret symptoms such as smoke colour, noise and vibration and link each to probable causes
State pollution control measures and the purpose of catalytic converter and PCV systems in servicing context
Your checkpoint
A troubleshooting matrix of ten symptoms with probable cause, diagnostic step and corrective action
Automobile Maintenance, Servicing and Troubleshooting & Recent Trends, Alternative Fuels and Electric Vehicles
Compare petrol, diesel, CNG, LPG, biodiesel and ethanol blends on calorific value, emissions and engine suitability
Explain hybrid and battery electric vehicle layouts, motor, controller, battery pack and regenerative braking
Describe charging types and the maintenance differences between electric and conventional vehicles
Revise all eight domains using a weighted checklist and complete two full-length mock papers under time
Your checkpoint
Two completed mock papers with score above 75 percent plus a one-page summary sheet of alternative fuel and EV comparisons
Milestones
Week 2: Can explain the full four-stroke cycle and the fuel, ignition, cooling and lubrication circuits from memory without notes
Week 4: Scores at least 60 percent on the 30-question self-test covering domains 1 to 4 and has corrected every error in writing
Week 6: Can trace starting and charging circuits and decode any tyre marking shown in a question
Week 8: Scores above 75 percent on both full-length mock papers with no domain below 50 percent