E2 B2E2001 Pages: 2

Reg. No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SECOND SEMESTER B.TECH DEGREE EXAMINATION, JUNE2017
ME100; BASICS OF MECHANICAL ENGINEERING

Max. Marks: 100 Duration: 3 Hours

PARTA
Answer any TWO full questions.

1) a, Derive an expression for the air standard efficiency of a diesel cycle. (10)
b) In an otto cycle, at the beginning of the compression air is at 27°C and 1 bar. The
clearance volume is 20% of the swept volume. Find

i) Air standard efficiency.

ii) Temperature at the end of compression. (5)
2) a. Give the two statements ef the second law of thesmodynamics and show their
equivalence. (10)
b. Compare and contrast impulse and reaction steam turbines. (5)
3) a. Describe the working of any one type of boiler with a neat sketch. (10)
४. Discuss briefly about MPFI engine. (5)
PART 8
Answer any TWO full questions.
4) a) Describe the working of a vapor compression refrigeration system. (10)
‏زط‎ Define i) COP ii) Ton of refrigeration. (5)
5) a) Explain the working of a Window air conditioning system. (10)
४) Distinguish between open and closed belt drives. (5)
6) a) Describe the major components of an automobile and explain their functions. (15)
b) What are the different types of gears used in power transmission? (5)

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