Important Practice Question Available for Exam. This Questions are based on Repeated Topics and Frequently Ones with the Help of this you can Score Good Marks in Exam and you will Pass in Exam.
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1. Attempt any FIVE of the
following : 10
(a) List diagnostic tools used in fault
finding of MPFI engines. *
(b) Define SEER & EER.
(c) State purpose of Selective Catalytic
Reduction (SCR).
(d) Define Pressure Ratio in air compressors.
(e) List at least six components of a jet
engine.
(f) List different solid & liquid
propellants used in rocket engines. *
(g) State four objectives of supercharging.
(h) State the Unit of Refrigeration.
(i) State the functions of Catalytic
Converter.
(j) Define the term “Compressor capacity’.
(k) Name the essential components used in Gas
turbine. *
(l) State the any two advantages of ‘Turbo
Charging’.
2. Attempt any THREE of the
following : 12
(a) Draw actual indicator diagram for 4 stroke
petrol engine. *
(b) Draw a typical graph indicating changes in
pollutants level (HC, CO2 & CO) with respect to changes in air fuel ratio.
(c) Describe in brief working of axial flow
compressor with sketch.
(d) Explain in brief aero derivative &
heavy frame engine. State their applications separately.
(e) Represent Diesel Cycle on P-V and T-S
Diagram.
(f) State the effect of ‘Air-Fuel Ratio’ on
exhaust emission.
(g) Explain the working of ‘Lobe type Air
Compressor’ with neat sketch.
(h) Represent Brayton Cycle on P- V and T- S
diagram.
3. Attempt any THREE of the
following : 12
(a) List changes made by automobile
manufactures in achieving BS VI norms in diesel engines. *
(b) Discuss in brief process of combustion in
SI engines with a sketch.
(c) Explain working of a storage type water
cooler with a sketch.
(d) In otto cycle compression ratio is 8.
Calculate air standard efficiency. Will it be grater than Carnot Cycle ? Justify
your answer.
(e) List the Methods of reducing Pollution in
diesel engine as per BS6 .
(f) Explain the term
1.
Octane Number
2.
Knock Resistance
(g) Explain with neat sketch the working of
Household Refrigerator.
4. Attempt any THREE of the following
: 12
(a) Draw inline fuel injection pump. Name
different components.
(b) With sketch, justify use of Variable
Geometry Turbocharger as compared to fixed geometry turbocharger.
(c) State formulae to calculate TEWI &
LCCP.
(d) Draw PV diagram for working of two stage
reciprocating air compressor when inter-cooling in perfect and imperfect. *
(e) Compare turbojet & turboprop engines
(at least four parameters). *
(f) Explain the term “Exhaust Gas
Recirculation’ with neat sketch.
(g) Draw the labeled Valve Timing Diagram of
typical 4- stroke Diesel Engine. *
(h) Explain the concept of following terms
with respect to refrigerants
1.
GWP
2.
ODP
Q5 & Q6 is Based on Numericals.
NOTE: This is Not Official MSBTE Website: We Provide Important Practice Questions for Students to Score Good Marks in Exam and this Questions is based on Important Topics of Syllabus and Repeated Ones. So, with the help of this we help student to Not get KT / or / They will Not get Fail in Exam.