Download Previous Year Diploma Paper of Auto Engine -II 4th Sem Dec 2016 Automobile Diploma Paper
Auto Engine -II 4th Sem Dec 2016 Automobile Diploma PSBTE Paper
                  SECTION-A
Q1. FILL IN THE BLANKS 1×15=15
a. Knock in C.I engine is caused by the ____________ of the charge to burn.
b. Of all the three phases of combustion process in a C.I engine, the _________ phase is the most important.
c. The _________ of the fuel is the determining factor in the C.I engine.
d _________ is done for increasing the volumetric efficiency of diesel engine.
e. Wankel rotary engine are of very ____________ speed
f. Engine exhaust emission can be measured accurately by an ___________ exhaust gas analyzer.
g. The ratio of actual mass of air to the theoretical mass of air in a diesel engine is called ____________ efficiency.
h. Iso-octane is arbitrarily rated _____________ Octane number.
i. The efficiency of a 4 stroke engine is ____________ than that of a 2 stroke engine.
j. A turbo charger is driven by the ___________ energy of the engine.
k. The diesel engine is manually started by using a ______________
l. Exhaust smoke level _____________ drastically at full load of CI engine.
m. Octane number of normal heptane is ______________
n _____________ converter is used to control auto exhaust emissions.
o ____________ curves are used for designating the relationship between the power, speed and fuel consumption.
                   SECTION-B
Q2. Short answer type question. Attempt any six. 6×5=30
a. Write a short note on diesel knock.
b. Explain working of Wankel engine.
c. What is supercharger? Why it is used.
d. Write a short note on Turbocharger.
e. Explain Wheel motor in detail.
f. List the method of emission control.
g. What is the necessity and function of fuel filter?
h. Write a short note on performance curve of engines.
                   SECTION-C
Q3. Long answer type question. Attempt any three. 10×3=30
i. Discuss briefly the different types of combustion chambers in a CI engine.
ii. Write a short note on cetane rating and octane number.
iii. What is the effect of atmospheric temperature and pressure on the performance of engine?
iv. Explain the working of Plunger type fuel injection pump in CI engine.
v. What are the effect of different pollutants on human life and how are these being overcome?
Auto Engine -II 4th Sem May 2015 Auto mobile Diploma PSBTE Paper
Get StartedSection :- Auto Engine -II 4th Sem dec 2016 Automobile Paper
What are the limitations of wankel engine?Q1. FILL IN THE BLANKS 1×15=15
a. Knock in C.I engine is caused by the ____________ of the charge to burn.
b. Of all the three phases of combustion process in a C.I engine, the _________ phase is the most important.
c. The _________ of the fuel is the determining factor in the C.I engine.
d _________ is done for increasing the volumetric efficiency of diesel engine.
e. Wankel rotary engine are of very ____________ speed
f. Engine exhaust emission can be measured accurately by an ___________ exhaust gas analyzer.
g. The ratio of actual mass of air to the theoretical mass of air in a diesel engine is called ____________ efficiency.
h. Iso-octane is arbitrarily rated _____________ Octane number.
i. The efficiency of a 4 stroke engine is ____________ than that of a 2 stroke engine.
j. A turbo charger is driven by the ___________ energy of the engine.
k. The diesel engine is manually started by using a ______________
l. Exhaust smoke level _____________ drastically at full load of CI engine.
m. Octane number of normal heptane is ______________
n _____________ converter is used to control auto exhaust emissions.
o ____________ curves are used for designating the relationship between the power, speed and fuel consumption.
Catalytic used in catalytic converters.
Calibration.
Methods of emission control in internal combustion engines.
Firing order of six cylinder engine.
Types of fuel injection methods.
 Why helix is made in plunger of a fuel injection pump?Unit injector.
Ignition delay period.
Auto Engine -II 4th Sem May 2015 Automobile Diploma PSBTE Paper Click Here
Section B :Auto Engine -II 4th Sem dec 2016 Automobile PAPER
Write a short note on diesel knock.Short note on diesel knock.
Working of Wankel engine.
Supercharger and its used.
Turbocharger.
Wheel motor.
Method of emission control.
Necessity and function of fuel filter.
Short note on performance curve of engines.
Auto Engine -II 4th Sem Dec 2016 Automobile Diploma PSBTE Paper Click Here
Auto Engine -II 4th Sem dec 2016 Auto mobile Diploma PSBTE Paper
Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0sSection c :-Auto Engine -II 4th Sem dec 2016 Automobile PAPER
Discuss briefly the different types of combustion chambers in a CI engine.Types of combustion chambers in a CI engine.
Short note on cetane rating and octane number.
Effect of atmospheric temperature and pressure on the performance of engine.
Working of Plunger type fuel injection pump in CI engine.
Effect of different pollutants on human life.
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