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Max. Marks: 100

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01000ME100092001 Pages: 1

Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
B.Tech Degree 51,52 (S,FE) Examination May 2021 (2015 Scheme)

Course Code: ME100
Course Name: BASICS OF MECHANICAL ENGINEERING

PARTA
Answer any two questions. Each question carries 15 marks
Draw the P-V and T-S diagram of Carnot cycle and quote the equation for
efficiency of the cycle.
Explain Diesel cycle with a neat sketch. Also, derive an equation for its
efficiency.
Give the significance of priming in centrifugal pumps.

Explain four stroke spark ignition engine with a neat sketch.
Draw a neat diagram of MPFI system and write the working
With a neat sketch explain the working of Francis turbine.
PART 13
Answer any two questions. Each question carries 15 marks
Define different psychrometric processes with neat figure.

Write the function of different parts of a Vapour compression refrigeration
system with help of a neat sketch

Why clutch is needed? Explain single plate clutch with a neat sketch.

Explain the major components of automobile.

Explain belt drives with neat sketches.

Define velocity ratio of gear drive. Explain different types of gear trains with
neat sketches.
PART C
Answer any two questions. Each question carries 20 marks
What are engineering materials? Give the classification of engineering
materials.
What are the steps included in sand casting?

Explain different rolling processes with neat sketches.

What is powder metallurgy? What are the different steps involved in powder
metallurgy process?
What are the major operations that can be done using lathe?

Describe the working of CNC machines with a block diagram.

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Duration: 3 Hours

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