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

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 Oct-Nov (Bachelor of Technology) Mech 3rd Sem MSM Question Paper

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DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE
MGM?s, Jawaharlal Nehru Engineering College, Aurangabad
Mid Semester Examination ? Oct. 2019
Course: S.Y. B. Tech in _Mechanical Engineering;
: MSM Subject Code: BT-MEC302
Date:? a "1 /t DIELMj
Subject Name:
Sem: III
Max Marksz20
Duration1?1 Hr.
Instructions to the Students:
'1. Draw neat sketch wherever necessary
2. Assume suitable data if required
3. Figures to right indicates full marks
(Leve'I/CO) Marks
VQ.1 CW Angus?. the gumtna, 6X1-
1 What IS the co-ordination number of FCC structUre? L1 C01
2 Which crystal structure material BCC or FCC shows more ductility for easy L1,L2
formabi lity? I I C01 ,C02
3 In actual application which strgss true or engineering stress should be LI ,.L3- C02
considered? W ' b V H ?
4 In what conditions brittle materials show better perfnrmance in tensile 0r L2,L3
compressive loaded application? C02
5 What is phase? L1 C03
6 What is signi?cance of degree of freedom in Gibb?s phase rule? L1,L2 C03
Q.2 Solve Any Two of the following. 3 X 2
(A) What are different critical temperatures on Fe-C equilibrium diagram and what L1,L4 CO3
changes occurs at that temperature? I ?
(B) In what way Hume ? Rothery?s rule decides regarding solid solubility? V L1,L3 C073
(C) What is miller indices ?explain it with example L1,L2 CO]
Q. 3 Solve Any One of the following. _ lx8
(A) Draw a neat sketch of Fe-C equilibrium diagram and explain different phases. L1,L3 CO3
\ on it
(B) With neat sketch explain the construction of TTT diagram for eutectoid steel L4,L3 CO3
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