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Material Science Practice Test: Mechanical Properties of Metals
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Avg score: 24% Most missed: “Principal plane is the plane in which ___________”
Mechanical Properties of Metals topics include: Stress and strain, tension and compression tests, torsional tests, stress transformation, mechanical properties, design and safety factors. The mechanical properties of metals are related to their ability to resist mechanical forces and loads. These properties include: Strength: A metal's ability to withstand a load before breaking. Tensile strength is a common measure of strength. It indicates a material's ability to absorb energy and withstand stretching before breaking. Stiffness: A material's ability to resist deformation under stress.... Show more
Material Science Practice Test: Mechanical Properties of Metals
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25 Questions

1. Arrange the following in increasing order of hardness: talc, gypsum, topaz diamond.
2. Which of the following cannot be determined using a torsion test?
3. Principal plane is the plane in which ___________
4. Up till which point will a body regain its original shape?
5. Which of the following is not a correct designation of impact strength?
6. Which type of load is applied in tensile testing?
7. Which of the following is not an evidence of plastic action on the material?
8. How many shear stress components can act on a 3-D object?
9. Double angle method is a method to solve the problem in Lame’s stress ellipsoid.
10. Plasticity increases with temperature.
11. Which of the following properties is impact strength indicative of?
12. Torsional stress multiplied with original cross sectional are is:
13. The yield limit of compression and the tensile test can be different for the same material.
14. Which of the following is used to measure how much the specimen is twisted?
15. Principal stress is only the minimum stress.
16. What is the unit of polar moment of inertia?
17. What is the unit of impact strength?
18. Strain is a dimensionless quantity.
19. Which of the following does not affect the value of ultimate tensile strength?
20. If the Poisson’s ratio is given as 0.3 and the Young’s modulus is given to 7e10. What will be the value for shear modulus?
21. Design factor for most aircraft structures is 2.
22. Up to which point on the stress-strain curve is Hooke’s law valid?
23. In a Mohr’s circle drawn on the x-y plane, which axis is the axis where normal stress is plotted?
24. Which of the following property cannot be determined by a tensile test?
25. Which of the following can be the factor of safety for a dead load?