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2014 Acharya Nagarjuna University Bapatla Engineering College - Elements of Mechanical Engineering - II/IV B.Tech - 2nd Semester - January 2014 Question paper



Course:   University/board: Acharya Nagarjuna University

Are you searching for the previous question papers of Elements of Mechanical Engineering - Bapatla Engineering College - B.Tech? This is the original question paper from the B.Tech second year second semester exam conducted by Bapatla Engineering College in January 2014. Feel free to make a copy and use it to prepare for your upcoming exams.



II/IV B.Tech Degree Examinations, January 2014

Second Semester

Elements of Mechanical Engineering



Time : 3 hours

Maximum Marks : 60



Answer question No.1 Compulsory

Answer ONE question from each Unit


1. Briefly explain following [6 x 2 = 12M]
a) Comparator
b) Gauge blocks
c) Operation of milling & drilling
d) Soldering and brazing
e) First law of thermodynamics.
f) Manometer

UNIT - I [1 x 12 = 12M]

2. a) Explain about roughness and angle measurement.
2. b) Write about optical methods of length and distance measurements. (OR)
3. a) Discuss the nomenclature of gear tooth profile.
3. b) Explain Geneva mechanism with neat sketch.

UNIT - II [1 x 12 = 12M]

4. a) Describe operations performed on lathe machine.
4. b) Sketch and describe various operations on drilling machine. (OR)
5. a) Explain different types of welding operations.
5. b) Explain principle and process of sand casting.

UNIT - III [1 x 12 = 12M]

6. a) State zeroth, first and second law of thermodynamics.
6. b) What is reversibility? Explain. (OR)
7. a) Explain Carnot's theorem.
7. b) What is entropy? Explain.

UNIT - IV [1 x 12 = 12M]

8. a) Derive continuity equation in its general form.
8. b) Determine the total pressure and center of pressure on an isosceles triangular plate of base 6 m and altitude 6 m when plate is immersed vertically in water the base of the plate is 1 m below free surface of water. (OR)
9. a) What is equation of motion?
9. b) Derive Bernoulli's equation and write its applications.





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