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Oat552 Set 1

This document contains a sample question paper for an Internal Combustion Engines exam with 3 parts - Part A containing 5 short answer questions, Part B containing 2 long answer questions with options to choose from, and Part C containing 1 long answer question with options. The questions cover topics related to diesel fuel injection systems, turbocharging, engine lubrication systems, cooling systems, combustion in CI engines, types of turbochargers and lubricating systems. The document also lists the course outcomes and knowledge levels associated with the exam questions.

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Ayyanraj
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168 views1 page

Oat552 Set 1

This document contains a sample question paper for an Internal Combustion Engines exam with 3 parts - Part A containing 5 short answer questions, Part B containing 2 long answer questions with options to choose from, and Part C containing 1 long answer question with options. The questions cover topics related to diesel fuel injection systems, turbocharging, engine lubrication systems, cooling systems, combustion in CI engines, types of turbochargers and lubricating systems. The document also lists the course outcomes and knowledge levels associated with the exam questions.

Uploaded by

Ayyanraj
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Reg No:

QUESTION PAPER CODE: JP2250


B.E / B. Tech. DEGREE EXAMINATIONS, NOV 2022
Fifth Semester
MECHANICAL ENGINEERING
OAT552 – INTERNAL COMBUSTION ENGINES
Internal Assessment Test – III
(Regulation 2017)
Time: 90 Minutes Maximum: 50 Marks
Answer ALL questions
PART A – (05 X 02 = 10 Marks)

1. Write short note on different types of nozzle in Diesel fuel Injection Systems CO3 [K1]
Define turbo charging? Why SI engines are not usually CO3 [K1]
2.
turbocharged?
3. List the functions of an IC engine lubricating system. CO4 [K2]
What are the various operations involved in the liquid cooling system of an IC CO4 [K1]
4.
engine.
5. State the difference between air cooling and water cooling CO4 [K1]
PART B – (02 X 13 = 26 Marks)
6 (a) Give the spray structure of the diesel fuel. Describe the effects of spray structure and spray CO3 [K1]
penetration in CI engine combustion?
(OR)
(b) Explain the advantages of turbo charging in CI engine. Also sketch any four types of CO3 [K3]
turbochargers used and explain the arrangement.
7 (a) List the various components of an oil lubricating system used in IC engines and explain CO4 [K2]
the function of each component in the system.
(OR)
(b) State the various types of oil lubricating systems used in IC engines. Among them CO4 [K1]
explain the differences between a wet and dry sump lubrication system.
PART C – (1 X 14 = 14 Marks)
8 (a) Briefly explain the construction and working principle of E-Turbo charger with suitable CO3 [K3]
neat sketches.
(OR)
(b) With neat sketch demonstrate wet sump lubricating system. CO4 [K2]

Knowledge Level:
[K1] - Remember, [K2] - Understand, [K3] – Apply, [K4] – Analyze, [K5] – Evaluate & [K6] -
Create
Course Outcomes:
At the end of the course, the student should be able to:
CO1 Explain the functioning and features of IC engines, components and auxiliaries.
CO2 Explain the petrol engine and its components
CO3 Explain the diesel engine and its components
CO4 Discuss the need of cooling of engines
CO5 Explain the modern technologies in I.C engines.

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