UNIVERSITY EXAM QUESTIONS & IMPORTANT QUESTIONS – II
- Explain with the help of neat sketches the working of a four stroke and two stroke petrol engine.
- Explain with the help of neat sketches the working of a four stroke and two stroke diesel engine.
- Explain Indicator diagram with the help of neat sketch. Explain the indicator diagram for a two stroke and four stroke petrol and diesel engine.
- Explain the following terms as applied to I.C Engines: Bore, stroke, T.D.C, B.D.C, clearance volume, swept volume, compression ratio and piston speed.
- Compare the relative advantages and disadvantages of four stroke and two stroke cycle engines.
- Define the term “Degree of Reaction”.
- What do you mean by compounding of steam turbine?
- What is the necessity of adopting ‘Binary vapour cycle’? Explain the cycle with expressions.
- Explain the stages of combustion in S.I and C.I engines with the help of neat sketches.
- What is delay period and explain the various factors that affect the delay period.
- Explain the difference between pre ignition and auto ignition.
- What do you mean by governing of steam turbine? Explain with neat sketch the various methods of governing.
- Explain the significance of flame speed and its combustion in S.I. engine
- Explain the phenomena of knocking in SI engine. What are the different factors which influence the knocking? Describe the methods used to suppress it.
- Explain detonation and the effect of engine variables on detonation
- With neat sketches explain the various types of S.I. combustion chambers?
- With neat sketches explain the various types of C.I. combustion chambers?
- Write short notes ( with neat sketches ) on :
- Octane Rating and Cetane Rating of fuels
- knock in C.I. engines
- Ignition lag
- Pollutants from S.I. and C.I. Engines
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