FME Unit 1 Notes AKTU (BME101)

AKTU · BTECH · Semester 1, 2 · Fundamentals of Mechanical Engineering · Unit 1 · Notes

AKTU Fundamentals of Mechanical Engineering (BME101) Unit 1 notes for B.Tech Semester 1/2 – Introduction to Mechanics. Topics: Force Moment and Couple…

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Unit 1: Introduction to Mechanics – AKTU syllabus topics

  • Force Moment and Couple: Principle of Transmissibility, Varignon's Theorem
  • Resultant of Force Systems: Concurrent Coplanar Forces, Non-Concurrent Coplanar Forces
  • Supports Loads and Reactions: Types of Supports and Loads, Free Body Diagram, Equilibrium Equations
  • Stress and Strain Fundamentals: Normal and Shear Stress, Hooke's Law and Poisson's Ratio, Elastic Constants and Relationship, Stress Strain Diagram, Factor of Safety

Most asked AKTU PYQ questions from Unit 1

  1. Q2a. Compare the stress-strain diagrams of ductile and brittle materials. What are the key differences? (7 marks, 2024-25)
  2. Q4b. Draw the stress strain diagram for ductile and brittle material. (10 marks, 2020-21)
  3. Q2a. Draw the stress-strain diagram of the following: (i) Ductile materials (ii) Brittle Materials (7 marks, 2024-25)
  4. Q3b. What is the shape of cross-section obtained after yielding in cases of brittle material? Explain in brief. (7 marks, 2023-24)
  5. Q1f. Draw Stress-Strain Diagram for Mild Steel. (2 marks, 2023-24)
  6. Q1b. Explain Poisson's ratio. (2 marks, 2020-21)
  7. Q1h. Define Hooke's law? (2 marks, 2020-21)
  8. Q3b. Develop the relationship between E (Young's modulus), C (Shear modulus), K (Bulk modulus) and μ (Poisson ratio). (10 marks, 2021-22)
  9. Q2a. Draw the stress-strain curve for mild steel and describe its salient points. Also, draw the stress curve for a ductile material, a brittle material, and a plastic material. (7 marks, 2022-23)
  10. Q1a. Explain the Poisson's ratio. Write down the expressions in the elastic constants. (2 marks, 2024-25)

AKTU paper codes: BME101, BME201, KME101, KME201

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