Previous year question paper for VMD (B-TECH automobile engineering 7-8th)

Introduction: Maintenance Objectives, classification, preventive, running and breakdown

maintenance, maintenance schedules, workshop manuals, owner’s manual, Warranty

Procedures, pre-delivery inspection (PDI): front manager, service advisor: functions and

duties.

Condition Based Maintenance (Cbm): Benefits, Objectives, Principles, what and when to

monitor, Techniques, manual inspections, performances monitoring, vibration monitoring, oil

debris spectroscopy, thermography and corrosion monitoring, Reliability centered

maintenance (RCM), logic, benefits evaluations.

Vehicle Maintenance Tools And Equipments: Specifications of standard tools, non

Standard tools, denting tools, painting equipments, testing equipments, Service station

equipments, Hydraulic lift, Tyre changer, Tyre inflation gauge, Car Washer, Air Compressor,

Spark Plug Cleaner and Tester, brake and transmission bleeding equipment, Grease Guns,

Hydraulic Hoist, Analyzers: CO, HC, NOx, smoke meter, Engine analyzer- Petrol and Diesel,

Ignition timing light, Wheel Balancer, Wheel aligner, Headlight aligner, Cylinder boring and

honing, crankshaft grinder, Brake lathe m/c, ridge cutter and boring m/c, Trolley Jacks,

Engine lifting cranes.

Maintenance Schedule: Difference between chassis and ball bearing grease, use of

lubricants: SAE 20 -30, SAE 40-50, SAE 90-120, Machine oil, Brake fluid, Lubrication and

maintenance schedules for clutch system, Gear Box, Propeller shaft, universal joints,

differential, axles, wheel bearings, tires, Cooling and lubrication system, Specification of

petro / diesel Engine, Engine Troubles and Diagnosis.

Engine Tuning: S.I Engine tuning; use of compression gauge, vacuum gauge, engine

analyzer, exhaust analyzer, battery tester S.G tester, Cam-dwell angle, valve tappet clearance,

replacement of engine oil and filter, ignition timing setting, Tyre inflation pressure, checking

fuel consumption, MPFI and CRDI, Engines: assembly line diagnostic link (ALDL)

connector, ALDL read out scan tool, test light, ohmmeter, digital volt meter, jumper wires,

vacuum gauge, Tachometer, computerized automotive maintenance system. Knowledge of

diagnostic codes, service engine soon (SES) light, ECM, CALPAK, TPS, IAC valve, ECM,

MAP sensor, engine coolant temp sensor, IAT sensor, VSS, camshaft and Crankshaft –

position sensor, start signal, PSP switch, Oxygen sensor, Fuel Vapour Cannister, Catalytic

Converter, Particulate filter, Troubles and diagnosis MPFI engines.

Clutch, Drive Line, Suspension, Steering And Brakes: Disassembly , cleaning, visual

inspection; inspection by measurement and assembly of clutch; gearbox; universal joints;

propeller shaft; differential; axles; steering and suspension system (leaf spring and McPhearson

strut); Drum and disc Brakes; bleeding of brakes ; Gaps and Clearances. Tyre

maintenance and wheel balancing; service limits and wheel alignment

Engine Overhauling: Procedure for engine removal from vehicle; disassembly; cleaning

procedures; agents; Decarburizing; Top overhauling; Visual inspection;inspection by

measurement; Engine inspection sheets: Service limits; machining of component parts :

boring and honing of Engine components; camshaft grinding and lapping of engine valves;

Fitting valve seat inserts and guides; Idea of oversize pistons and undersize split bearings;

testing of cylinder heads and valve springs; Cooling system :maintenance and Service;

troubles and diagnosis.