B.TechSemester 52021-22Ic Engine Fuel And LubricationKME-054

Ic Engine Fuel And Lubrication (KME-054) - AKTU Question Paper 2021-22

B.Tech · Semester 5 · Free PDF Download

This is the official AKTU Ic Engine Fuel And Lubrication Previous Year Question Paper for B.Tech Semester 5, academic session 2021-22. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech

Semester:Semester 5

Session:2021-22

University:AKTU / UPTU

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Questions Asked in 2021-22

Ic Engine Fuel And Lubrication (KME-054) — complete question paper

Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20

a
Define the term Heat Engine
b
Discuss the term “Relative efficiency”
c
Discuss the term Ignition Delay in CI Engine
d
Explain the term “Flame Speed” in SI engines
e
Discuss the injection timings
f
Explain the terms “Lean and Rich Mixture ”
g
Discuss NOx Emission
h
Explain Cetane Number and D iesel Index for fuel. i. Explain working of Radiator. j. Define stratified charge engine

Section BAttempt any three o f t h e f o l l o w i n g : 10 x 3 = 30

a
Discuss the classificatio n of IC Engines in detail
b
Explain with diagram the stages of combustion for SI engine
c
Evaluate the working of MPFI and its different types with the help of neat and clean diagrams
d
Illustrate Particulate emi ssions & also give methods of controlling Emissions
e
Summarize the requirements of a good cooling System and compar e air and liquid cooling system in brief

Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10 x 1 = 10

a
Discuss an expression for the rmal efficiency of air standard Otto Cycle
b
An I.C. engine working on Diesel cycle has bore 200 mm, str oke 300 mm. if the clearance volume is 420 cc and fuel injection takes place a t the constant pressure for 5% of the stroke, determine the thermal efficiency of the engine. If the cut-off is delayed from 5 to 8% what will be the percentage loss in efficiency in both cases, the compression ratio is the same?
a
Demonstrate combustion process and its phases in CI engine with neat sketch
b
Demonstrate phenomenon of knoc k in S.I. Engine. Discuss the effects of knock in S.I. engines and methods reduce the detonation
a
Derive an expression for the calculation of exact A-F ratio when air is considered as incompressible
b
Derive an expression for the quantity of fuel to be injecte d per cylinder per cycle for a four-stroke engine in terms of brake specific fuel consumption, B.P. and rpm. Determine the velocity of injection of fuel in solid i njection system when the difference in oil pressure and cylinder pressure is 75 bar. Assume the specific gravity of fuel as 0.905 and coefficient of discharge for orifice is 0.86
a
Discuss EGR system also demonstrate the working of catalyti c convertor with neat sketch
b
Discuss the alternative fuels for IC engines also discuss t he rating for SI engine fuel
a
Explain the function of lubricants in I.C. Engines. Explain d i f f e r e n t w e t lubricating system with neat sketch
b
Explain the working of battery ignition system with neat sk etch also discuss the types of electronic ignition system

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — KME-054

Questions that appeared in more than one session, found by comparing 3 years of Ic Engine Fuel And Lubrication papers (2021-22, 2022-23, 2023-24)

Define the term Heat Engine