Roll No. ......................
Total No. of Questions : 09]
B.Tech. (Sem. –
4th)
AUTOMOTIVE
POLLUTION AND CONTROL SYSTEMS
SUBJECT CODE : AE
- 208
Paper ID : [A0712]
Time : 03 Hours
Instruction to Candidates:
1) Section - A is Compulsory.
2) Attempt any Four questions from
Section - B.
3) Attempt any Two questions from
Section - C.
Section - A
Q1)
a) Name the main pollutants in the
engine exhaust.
b) What is the function of a catalyst?
c) What is a three way converter?
d) What are the effects of automotive
pollution?
e) What is the function of EGR?
f) Which catalyst is employed for oxidizing HC
and CO?
g) What do you understand by fumigation?
h) What is a NDIR analyzer?
i) What is the effect of ignition timing on
exhaust emission?
j) Name the methods of emission measurement.
Section - B
Q2) How HC and CO is formed in S.I. engine? Discuss.
Q3) How proper design of combustion chamber helps to reduce
exhaust
emissions? Discuss.
Q4) Discuss the purpose of installing thermal control valve
in the EGR system.
Q5) Explain the working of analyzer for NOx.
Q6) What is a catalytic converter and how it works? Explain.
Section - C
Q7) Discuss the PCV system of emission control in detail.
Q8) Discuss various changes in the design of fuel supply
system of engine for
controlling automotive pollution.
Q9) Write notes on :
(a) Smoke meter.
(b) Indian emission standards.
0 comments:
Post a Comment
North India Campus