N Nexsus

Material Science and Engineering — Minor 1 2023 question paper

MMMUT Mechanical Engineering previous year question paper for Material Science and Engineering (BME-103), semester 1, Minor 1 2023. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Material Science and Engineering (BME-103)
  • Branch: Mechanical Engineering
  • Semester: 1
  • Exam: Minor 1 2023
  • Questions: 8

Questions asked in Material Science and Engineering Minor 1 2023

  1. Q1. Attempt any Two parts of the following. Q.1(a) is compulsory
  2. Q1(a). (i) A metal is found to have BCC structure, a lattice constant of 3.31 A, and a density of 16.6 g/cm^3. Determine the atomic weight of this element. (ii) Define atomic packing factor. [3 marks]
  3. Q1(b). Explain the importance of materials in our daily life. [2 marks]
  4. Q1(c). Differentiate between Frankel and Schottky defect with neat sketch. [2 marks]
  5. Q2. Attempt any Two parts of the following. Q.2(a) is compulsory
  6. Q2(a). Draw stress-strain diagram for a ductile material (Mild steel) and explain its salient features. [3 marks]
  7. Q2(b). What is a phase diagram? Explain one of the binary phase diagrams with neat sketch. [2 marks]
  8. Q2(c). In isomorphous binary system A and B, a liquid of 30% of A (70% of B) co-exists with a solid of 70% A (30% B). Calculate the fraction of solid and liquid for an overall composition having 50% A. [2 marks]