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B.E./B.Tech PRACTICAL END SEMESTER EXAMINATIONS, APRIL / MAY 2019
Fourth Semester
AT 8411 - AUTOMOTIVE COMPONENTS LABORATORY
(Regulation 2017)
Time : 3 Hours Answer any one Question Max. Marks 100
Aim/Principle/Apparatus Tabulation/ Calculation Viva-Voce Record Total
required/Procedure Circuit/Program/ & Results
Drawing
30 30 20 10 10 100
Dismantle the given Multi-Cylinder petrol engine and identify the components like spark
1. plug, piston, piston rings, gudgeon pin, connecting rod, crank shaft, ignition circuit, cooling
system, lubrication system, cam shaft, rocker arm etc. and state their functions.
Dismantle the given Multi-Cylinder petrol engine and make the following measurements
(i) Determine size of bore, stroke length,
(ii) Measure clearance volume and stroke volume
2. (iii) Determine no of rings and its dimensions
(iv) Measure piston height,
(v) connecting rod length and
(vi) piston pin length
What are all the components present in the given multi-cylinder petrol engine after
3. dismantling? Write the procedure for assembling the same and indicate the required tools for
assembling the given engine in a separate table.
Dismantle the given Multi-Cylinder diesel engine and identify the components like fuel
4. injector, Injection pump, piston, piston rings, gudgeon pin, connecting rod, crank shaft, cooling
system, lubrication system, cam shaft, rocker arm etc. and state their functions.
5. Dismantle the given Multi-Cylinder diesel engine and make the following measurements
(i) Determine size of bore, stroke length,
(ii) Measure clearance volume and stroke volume
(iii) Determine no of rings and its dimensions
(iv) Measure piston height,
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(v) connecting rod length and
(vi) piston pin length
What are all the components present in the given multi-cylinder diesel engine after
6. dismantling? Write the procedure for assembling the same and indicate the required tools for
assembling the given engine in a separate table.
7. Identify the components involved in the petrol engine fuel supply system and state the
necessity of the each component and draw the layout of the fuel supply system.
8. Identify the components involved in the diesel engine fuel supply system and state the
necessity of the each component and draw the layout of the fuel supply system.
9. Measure all the dimensions of a light duty commercial vehicle frame and draw the
vehicle frame and indicate it’s all dimensions with suitable explanations.
10. Measure all the dimensions of a heavy duty commercial vehicle frame and draw the
vehicle frame and indicate it’s all dimensions with suitable explanations.
11. Dismantle the front and rear axle and measure the size of the each component involved in the
system.
12 Dismantle the differential system and state necessity of a differential system in a vehicle.
Calculate the final drive ratio and identify the components involved in the differential system.
Dismantle the clutch system and state necessity of a clutch system in a vehicle. Find out the
13.
components involved in the clutch system and record the differences in the light and heavy
duty vehicle clutch system.
14. Dismantle the given automobile Gear box, state necessity of a Gear box in a vehicle and find
out gear ratios explaining power flow diagrams.
15. Identify the components in the steering system of a vehicle and state the significance of a
steering system.
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16. Measure all the dimensions of a light duty vehicle and heavy commercial vehicle frame and
indicate it’s all dimensions.
17. Dismantle the given rear axle system, identify various components involved in it and assemble
the same.
18. Dismantle and assemble the steering system with rack and pinion gear box. Explain its
working with neat sketches.
19. Dismantle and assemble the steering system with worm and sector gear box. Explain its
working with neat sketches.
20. Dismantle and assemble the steering system with worm and ball bearing steering gear. Explain
its working with neat sketches.
