Yashwantrao Chavan Maharashtra Open University 2006 Certification TML Automobile Engineering - III - Question Paper

TML103/EE/20070816
Automobile Engineering - III
Time : 180 minutes Marks : 100
Instructions for the students :
1. All ques. are compulsory.
2. “Long ans kind ques. (LAQ)” is a supply kind ques. of 20 marks,
which require typical ans of about 60-80 lines in about 32-40 minutes.
3. “Short ans kind ques. (SAQ)” is a supply kind ques. of five marks,
which require typical ans of about 15-20 lines in about 08-10 minutes.
4. Use of non-programmable kind of scientific calculator is allowed.
5. Draw neat diagrams wherever necessary.
6. presume suitable data if necessary.


Long ans kind ques. (LAQ’s)

1. (a) List the different option fuels and discuss the construction
and operation of fuel oil.
(b) What is meant by carburetion ? elaborate the basic kinds of
carburettors ? discuss simple carburettor.


2. (a) elaborate the different kinds of fuel injection systems ? discuss
the fuel injector.
(b) elaborate the different pollutants from petrol and diesel
engines ? discuss EGR system to decrease Nox emissions.


3. List the monitors included in OBD II. discuss in detail :
i) EGR system monitoring
ii) Evaporative Emission system monitor.

4. (a) elaborate the common issues that occur with clutches ?
discuss in brief.
(b) elaborate the common transmission issues ? Write their
probable causes and solutions.


Short ans kind ques. (SAQ’s)

5. discuss the function of dashpot with a neat sketch. 5
6. List the component of evaporative emission control systems. 5
7. discuss the basic circuit of an exhaust gas analyser. 5
8. discuss Spur and Helical gears in brief.

Earning:   Approval pending.