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) — extracted question text
Section AAttempt all q u e s t i o n s i n b r i e f . 2 x 10 = 20
- aDefine the term Heat Engine
- bDiscuss the term “Relative efficiency”
- cDiscuss the term Ignition Delay in CI Engine
- dExplain the term “Flame Speed” in SI engines
- eDiscuss the injection timings
- fExplain the terms “Lean and Rich Mixture ”
- gDiscuss NOx Emission
- hExplain 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
- aDiscuss the classificatio n of IC Engines in detail
- bExplain with diagram the stages of combustion for SI engine
- cEvaluate the working of MPFI and its different types with the help of neat and clean diagrams
- dIllustrate Particulate emi ssions & also give methods of controlling Emissions
- eSummarize 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
- aDiscuss an expression for the rmal efficiency of air standard Otto Cycle
- bAn 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?
- aDemonstrate combustion process and its phases in CI engine with neat sketch
- bDemonstrate phenomenon of knoc k in S.I. Engine. Discuss the effects of knock in S.I. engines and methods reduce the detonation
- aDerive an expression for the calculation of exact A-F ratio when air is considered as incompressible
- bDerive 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
- aDiscuss EGR system also demonstrate the working of catalyti c convertor with neat sketch
- bDiscuss the alternative fuels for IC engines also discuss t he rating for SI engine fuel
- aExplain 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
- bExplain 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. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.
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