Download Previous Year Diploma Question Paper of Auto Engine -II 4th Sem Dec 2018 Automobile Diploma Paper
Auto Engine -II 4th Sem Dec 2018 Automobile Diploma PSBTE Paper
                SECTION-A
Q1. Fill in the blanks. 10×1.5=15
a. Turbocharger is driven by _____________
b. Oxygen sensor is fitted at ___________
c. Diesel fuel are rated by ___________
d. ___________ is made on pump plunger to increase/decrease the supply of fuel.
e. Supercharger is driven by ___________
f. To improve the volumetric efficiency of engines ___________ are used.
g. HCCI stands for _____________
h. _____________ type nozzles are used in pre combustion chambers.
i. NOx are formed during combustion due to ______________
j. Nozzle and pump fitted on single body is called _____________
                   SECTION-B
Q2. Attempt any six questions. 6×5=30
i. Discuss the various exhaust pollutants escape from exhaust system.
ii. Discuss briefly the various stages of combustion in diesel engine
iii. Describe the working of fuel feed pump.
iv. Discuss briefly about the turbo charger.
v. How knocking is done in diesel engines?
vi. Discuss briefly the working of injector.
vii. Discuss briefly common rail system and individual pump system
viii. Discuss the effect on engine performance due to:
a. Pressure
b. Temperature
ix. Describe the working of mechanical governor.
                   SECTION-C
Q3. Attempt any two questions. 2×15=30
a. Explain in detail various types of superchargers with neat sketches
b. Explain the types of combustion chambers of CI engines with neat sketches
c. Explain the construction and working of jerk type fuel injection pump with neat sketch.
d. Explain the various exhaust emission control methods
Turbocharger is driven by _____________
Oxygen sensor is fitted at ___________
Diesel fuel are rated by ___________
___________ is made on pump plunger to increase/decrease the supply of fuel.
Supercharger is driven by ___________
To improve the volumetric efficiency of engines ___________ are used.
HCCI stands for _____________
_____________ type nozzles are used in pre combustion chambers.
NOx are formed during combustion due to ______________
Nozzle and pump fitted on single body is called _____________
Unit injector.
Ignition delay period.
Auto Engine -II 4th Sem Dec 2018 Automobile Diploma PSBTE Paper Click Here
Various exhaust pollutants escape from exhaust system.
Various stages of combustion in diesel engine.
Describe the working of fuel feed pump.
Turbo charger.
Working of injector.
Common rail system and individual pump system
Effect on engine performance due to: a. Pressure
b. Temperature
Working of mechanical governor.
Auto Engine -II 4th Sem Dec 2018 Automobile Diploma PSBTE Paper Click Here
Q3. Attempt any two questions. 2×15=30
a. Explain in detail various types of superchargers with neat sketches
b. Explain the types of combustion chambers of CI engines with neat sketches
c. Explain the construction and working of jerk type fuel injection pump with neat sketch.
d. Explain the various exhaust emission control methods
Combustion chamber and types of combustion chambers of diesel engines.
Purpose of governor in diesel engines
Pneumatic type governor.
Working of exhaust gas recirculation(EGR).
Diesel knock and Factors cause diesel knock and how it is controlled.
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