The characteristic that enables a material to absorb elastic strain energy is: Select one: a. elasticity b. hardness C. toughness d. resilience
Q: Why hardness test needs to perform in engineering practice?
A: The hardness test is performed in engineering practice to determine the properties of the materials…
Q: hat is ultimate strength of the materi
A: Given: Ultimate strength of the material
Q: Why do the Ductile materials fail in shear?
A: Ductile materials are the materials which goes plastic deformation before the fracture. When any…
Q: How can you determine the modulus of elasticity and the modulus of rigidity of the material?
A: The expression to determine the modulus of elasticity is, Here, Y is the modulus of the elasticity…
Q: Do ductile materials fail in shear?
A: The type of materials that undergo considerable plastic deformation before fracture are known as…
Q: terial has the following properties, ultimate Sul = σul = 350mpa, the strain hardening exponent…
A: Given values:Sultimate=350 MPan=0.2
Q: A material has an appreciable elongation without any increase in load is
A: Answer: B. Yielding A material has an appreciable elongation without any increase in load is called…
Q: Brittle materials have Ability of a material to plastically strain without fracture
A: A brittle material is a material when subjected to stress, it fractures into two or more components…
Q: a. Rank the materials from most ductile to most brittle. b. Determine the tensile strength of each…
A: The material C has highest yield stress. Hence, it is the strongest material but most brittle one.…
Q: How can the Shear stress-strain diagrams be established for a material?
A: The graphical representation of the shear stress and the shear strain in a graphical manner is known…
Q: Elasticity can be defined as that property of materials by which A) they regain their original…
A: Elasticity is a mechanical property of a material.
Q: Answer the following questions by referring the given figure: (0.5 material specification + 0.5 mark…
A: Given:
Q: what is elastic deformation of a material
A: What is elastic deformation of a material.
Q: a) Distortion energy theory is mainly for the torsion failure analysis. True False b) The fracture…
A: (a) Distortion Energy theory states that, the yielding of a material will takes when distortion…
Q: How does the stress/strain graph of a brittle material compare to a ductile material?
A: When a material is given to an external load, initially it experiences elastic deformation the…
Q: Does the failure of materials occur due to creep and fatigue?
A: Creep: When a part of any member is subjected to constant stress at high temperature for a long…
Q: Describe tensile test in detail considering the steps. Define stress, strain (equations a elasticity…
A: elastic range = it is the point in the stress-strain curve up to which the material remains elastic…
Q: Fatigue fracture surface has 3 zones such as (1) initiation, (2) crack propagation and (3) sudden…
A: Fatigue is a type of failure which is independent of time that can occur in a material without any…
Q: 1. Describe tensile test in detail considering the steps. Define stress, strain (equations and…
A:
Q: 11. List the conditions that can induce brittle failure even in a ductile material.
A: Conditions that can induce brittle failure even in a ductile material- 1. High Strength Material are…
Q: Hardness is correlated primarily with which of the following material properties? (This question has…
A: Measurement of resistance to plastic deformation which is localized. And resistance for scartching.…
Q: The change in length of a material is, mm, when the longitudinal strain and original length values…
A:
Q: I have plotted stress strain curve as shown in attached pictures. I want to know that: What does…
A: Slope of a stress strain will show the Young’s modulus (E). It is the property of the material which…
Q: What could be found equal in both the true and an engineering stress strain curves? Select one: A)…
A: We have to discuss that what could be found equal in both the true and an engineering stress strain…
Q: 1. Draw the stress-strain diagram and mark the regions. How can you use stress-strain diagrams in…
A: Draw the stress-strain diagram with the regions. Here, P – Proportionality limit. E – Elastic…
Q: 2. Explain why the strengths of brittle materials are much lower than predicted by theoretical…
A:
Q: If a brittle material has a stress-strain diagram, Is it different in tension and compression?
A: Brittle materials such as glass, concrete do not have yield points and they do not strain to harden.…
Q: Draw stress-strain curve and discuss about plastic deformation and elastic deformation.
A: Stress is the force acting per unit area in a specimen while strain is the ratio of change in…
Q: What is the cause of the fracture of a brittle material?
A: Brittle fracture is one which takes place without any appreciable plastic deformation and by rapid…
Q: Failure of Materials Due to Creep and Fatigue.
A: Environmental conditions, such as corrosion, have an impact on fatigue strength. The fatigue…
Q: Correctly complete the following phrase below: "When a structure is subjected to general loading in…
A: The mechanical structure is subjected to two dimension general loading. The loads are static in…
Q: Fatigue life of a material is higher if it has,
A: The fatigue life of a material can be defined as the number of cycles that can be sustained by a…
Q: Between 1. Nominal (engineering) stress and true stress and 2. True strain and engineering strain…
A:
Q: How is Equation used to determine the shear modulus of elasticity of a material?
A: It can be used to explain how a material resists transverse deformations but this is practical for…
Q: d strain?
A: GIVEN: What is the unit of stress and strain?
Q: A material with high modulus of elasticity is
A: A material with high modulus of elasticity is Answer: c) Stiffer
Q: In a stress-strain curve it is possible to characterize a material by analyzing it. Show a graph…
A: The deformation of a material in response to a tensile, compressive, or torsional force is…
Q: Stress can be related to strain. Explain by using experimental methods?
A: Internal stresses introduce due to the application of load in the material. The induces stress…
Q: (b) Identify FOUR (4) differences between plane stress and plane strain transformation.
A: The difference between the plane stress and strain condition is given below.
Q: Explain the following 1)creep 2)fatigue 3)other similar material failure if you know any Proper…
A: Creep Creep failure is defined as a type of failure in which material fails after a long time under…
Q: In a bending test for a brittle material, the distance between the supports is 300mm, the cross…
A:
Q: The stress strain diagram of Glass shows
A: Glass is brittle material. For brittle material, Elastic deformation is there, plastic deformation…
Q: a. Define 'mechanical property" of an engineering material. b. State any six mechanical properties,…
A: as per our rule i solved 1st 3 parts 1(a)Mechanical properties are the physical properties of the…
Q: Determine the lateral strain.
A: GIVEN- width= 0.55 in height= 4.05 in P= 31000
Q: As the area under the stress-strain curve decreases, the toughness___________
A: It is required to fill the blank
Q: Consider the tensile stress-strain diagram below. If samples 1 and 2 are different materials, which…
A: It is required to determine which material is more tough
Q: 1-Explain why flexural strength of brittle materials is always higher than tensile strength of the…
A:
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- What value can not be found from the stress-strain graph? Please select one:a. Modulus of elasticityb. Disgracec. Toughnessd. Poisson ratioe. Yield strengthToughness of a material is equal to the area under part of the stress-strain curve. Select one: O a. None O b. Elastic c. Both O d. Plastic15) Hardness is a very important thermal property that can be measured by the Vickers's hardness test. Select one: True False
- 8) Which of the following stress strain curve shows an elastic behaviour to very high strain rate a. cast iron b. Mild steel c. glass d. rubberWhich one(s) of the following about G, shear modulus of elasticity of a material are correct? select all which are correct. G is also called the modules of rigidity. G is related to the modulus of elasticity E and Poisson’s ratio . G is usually smaller than Young's modulus E for the same material. G is the ratio of shear stress to shear strain when the material's proportional limit in shear has not been exceeded.1. Ductile materials are tougher than brittle ones II. Tensile tests are not used when the material is brittle III. Brittle materials reach much higher ultimate stresses in tension than in compression Which statement(s) given above is/are true?
- The elastic constant related to direct stress isPLEASE ANSWER ASAP! RATE WILL BE GIVEN! NO LONG EXPLANATION NEEDED! STRENGTH OF MATERIALS (MULTIPLE CHOICE) Which of the following is NOT TRUE with respect to the Elastic Transverse Shear Formula? a.Transverse shear stress is maximum at the top fiber of the cross-section. b.Transverse shear stress is zero at the neutral axis. c.The value of Q is maximum at the neutral axis. d.The maximum transverse shear stress is maximum where the ratio (Q/t) is maximum e.The value of Q at the bottom fiber is maximumPlease answer these three questions. Thank you! A material has a Poisson’s ratio of -0.2 . Which of the following is true? a. Strain is always compressive regardless of the force applied. b. Lateral and longitudinal strains will have the same sign c. Lateral strain is five times the longitudinal strain. d. The material is ductile and has a high modulus of elasticity. Consider a rod that can carry a maximum stress equal to 200 MPa. If it is to be designed to have a factor of safety against failure equal to 1.5, then the maximum stress that the rod should experience when loaded is nearest to ______ a. 133 MPa b. 150 MPa c. 300 MPa d. 267 MPa Which of the following statements is FALSE? A. The modulus of elasticity of a material can vary between axes. B. The modulus of rigidity can be determined from the shear stress-strain diagram. C. The Poisson’s Ratio can be used in calculating the new diameter in the Necking Region of the stress strain diagram. D. Most materials…
- q1: Describe tensile test in detail considering the steps. . define stress , strain (equation and units) . elasticity modulus, elastic and plastic zones . toughness, resilience of matiral Demonstrate stress strain curve for your answerGiven the following stress-strain graph:a. is the modulus of elasticity of "A-514" greater, less or equal to the one of "A-572"?b. from the previous question, make an estimatio for both of them, check that the graphic comes in %c. If we were to test these materials in a universal tension equipment, which one would withstand more load?d. If we were to test these materials in a universal tension machine, which one would elongate the most before fracturing? would elongate the most before fracturing? e. Of the 6 materials shown, do any behave as brittle materials? f.9) Brinell hardness test is performed in the TENSION zone of Universal Testing Machine Select one: True False