Dr. A.P.J. Abdul Kalam University BE II SEM (EX) Fundamentals of Mechanical Engineering [ME114T] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Second Semester Main Examination, June-2021

Fundamentals of Mechanical Engineering [ME114T]

Branch-EX

Time: 3:00 Hrs Max Marks 70

Note: (i) Attempt any five questions.

(ii) All questions carry equal marks.

Q.1 (a) What are the different types of CAM?

(b) What are gears? Classify it.

Q.2 (a) Explain the various types of belt drives.

(b) What is thermodynamic equilibrium? Explain the phenomenon of

thermal equilibrium.

Q.3 (a) State & explain zeroth law of thermodynamics. Also explain equation of

state.

(b) Explain basic modes of heat transfer with suitable examples.

Q.4 (a) Explain Fourier law, Newton’s law and Stefans-Boltzmaan’s law

 Related with heat transfer.

(b) What is refrigeration? Explain the COP of a refrigerator.

Q.5 (a) Enlist different properties of materials.

(b) Explain metallic and non-metallic materials.

Q.6 (a) Explain brazing and soldering.

(b) What is welding? Classify it.

Q.7 (a) Explain working and principle of lathe machine with neat sketch.

(b) List the various operations performed on lathe

Q.8 (a) Differentiate between internal combustion engines and external

combustion engines.

(b) What is Otto cycle? Obtain the formula for air standard efficiency of Otto

cycle.

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