AERO GATE TOPPER
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×GATE Aerospace Basic Aerodyanamics
AERO GATE TOPPER
1. A cylindrical rod with a diameter of 10 mm is subjected to an axial tensile force of 6 kN. Calculate the tensile stress (in MPa) in the rod. Use two decimal places.
2. Which of the following factors affect stress in a material?
3. Which type of stress occurs when a force is applied parallel to the surface of a material?
4. What is Poisson’s ratio a measure of in materials?
5. A steel bar 1 meter long is subjected to a tensile load, causing it to extend by 2 mm. Calculate the strain in the bar. Use three decimal places.
6. Which of the following statements are true regarding the elastic behavior of materials?
7. A material experiences a stress of 200 MPa and strain of 0.001. Calculate the modulus of elasticity (in GPa). Use whole numbers only.
8. What happens to a material in the plastic region of the stress-strain curve?
9. Which of the following phenomena occur in the plastic region of a material under tension?
10. The stress at which a material begins to deform plastically is called:
11. A steel rod with a cross-sectional area of 50 mm² is subjected to a tensile force of 12.5 kN. Calculate the tensile stress in the rod (in MPa). Use whole numbers only.
12. Which of the following phenomena occur in the elastic region of the stress-strain curve?
13. A column with a cross-sectional area of 100 mm² is subjected to a compressive load of 18 kN. Calculate the compressive stress in the column (in MPa). Use whole numbers only.
14. Which of the following materials is likely to exhibit large strains before failure?
15. Which of the following are characteristics of brittle materials?
16. Which phenomenon describes the failure of a material due to repeated cyclic loading?
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