Download DBATU B.Tech 2019 Oct-Nov Mech 3rd Sem MSM Question Paper

DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE

MGM's, Jawaharlal Nehru Engineering College, Aurangabad

Mid Semester Examination - Oct. 2019

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Course: S.Y. B. Tech in Mechanical Engineering

Sem: III

Subject Name: MSM

Subject Code: BT-MEC302

Max Marks: 20

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Date: 04/10/2019

Duration: 1 Hr.

Instructions to the Students:

1. Draw neat sketch wherever necessary
2. Assume suitable data if required

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3. Figures to right indicates full marks

Q.1 Choose the correct Answer the following.

1. What is the co-ordination number of FCC structure? (Level/CO) L1 C01 6X1
2. Which crystal structure material BCC or FCC shows more ductility for easy formability? L1,L2 CO1,CO2
3. In actual application which stress true or engineering stress should be considered? L1,L3 CO2

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4. In what conditions brittle materials show better performance in tensile or compressive loaded application? L2,L3 CO2
5. What is phase? L1 CO3
6. What is significance of degree of freedom in Gibb's phase rule? L1,L2 CO3

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Q.2 Solve Any Two of the following. 3 X 2

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1. What are different critical temperatures on Fe-C equilibrium diagram and what changes occurs at that temperature? L1,L4 CO3
2. In what way Hume - Rothery's rule decides regarding solid solubility? L1,L3 CO3
3. What is miller indices? explain it with example L1,L2 CO1

Q. 3 Solve Any One of the following. 1x8

1. Draw a neat sketch of Fe-C equilibrium diagram and explain different phases on it L1,L3 CO3

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2. With neat sketch explain the construction of TTT diagram for eutectoid steel L4,L3 CO3

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