D

Reg No.:

A192007 Pages:2

Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

FIRST SEMESTER B.TECH DEGREE EXAMINATION(S), DECEMBER 2019

Course Code: BE101-02

Course Name: INTRODUCTION TO MECHANICAL ENGINEERING

Max. Marks: 100

1 a)
b)
2 a)
b)
3 a)
b)
4 ஐ
b)
0)
5 ஐ
b)
6 a)
b)
7 2)
b)
8 a)

PARTA
Answer any two questions, each carries 15 marks.
Explain the following terms
i. Intensive property ii. Extensive property. iii. System iv. Control volume
State and explain the two classical statements of second law of thermodynamics

along with applications.

State the principle of increase of entropy and give its significance.
Explain the working of Francis turbine with sketch. Also specify the role of draft
tube in a reaction turbine.
Discuss the working of petrol engine that produces power during every single
revolution of crank shaft with sketches.
Explain liquid propellant rockets. Write the merits and demerits of it.
PART ‏تا‎

Answer any two questions, each carries 15 marks.
Write any four industrial applications of refrigeration.
Mention the factors controlling human comfort in air conditioning.
Describe the desirable properties of a good refrigerant.
Draw aircraft wing and show aerodynamic forces.
Explain with neat sketch the working of turbojet engine.
Discuss the classification of automobiles with suitable examples.
Explain the working of simple carburettor with diagram.

PART C

Answer any two questions, each carries 20 marks.
Explain the processes of welding, brazing and soldering and mention their fields
of application.
Suggest a method for grinding of plain surfaces. Explain the process with a neat
diagram.
Describe the properties of metals and alloys with reference to the relevant fields

of application.

Page 1 of 2

Duration: 3 Hours

Marks

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