Lm automobileEnggLab

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Auto-Lab-Manual

Reference Books
1) Automotive Mechanics – Crouse / Anglin
2) Automobile Engineering – Dr Kirpal Singh
Viva Questions
1 How does an automobile contribute towards pollution of the atmosphere
2 What is closed crankcase ventilation Explain.
3 Discuss in details various changes in the fuel supply system of engines for controlling emission
4 Describe clearly how the engine exhaust gases to convert the pollutants therein into harmless constituents.
5 Name the areas of automobile emitting pollutants and also name the main pollutants in the engine exhaust.
6 What is PCV, and what purpose it serve
7 What are the two basic approaches to decrease pollution from automobiles
8 How does the shape of combustion chamber effect the combustion efficiency
9 What is the advantage of reducing compression ratio of the engine
10 What is a Three way converter Explain clearly how it is used to convert the pollutants.
11 Explain the function of catalytic converter
12 How does the fuel injection help to reduce automobile pollution
13 What is the effect of heating the supply air on the engine emission
14 What pollutants in the engine exhaust are controlled by the air injection system
15 What is catalytic converter
16 What is catalyst

30 17 What are the advantages and drawback of catalytic converter method compared to blowing of air only into exhaust manifold.
18 Which catalylist is used for reduction of noise
19 Which catalyst is employed for oxidizing of HC and Co
20 What air fuel ratio gives best fuel economy

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