* 'Determine the ox 30 MPa 10 MPa 20 MPa The state of plane stress at a point is represented on the upper element shown in the figure. The lower element oriented 40° from the position shown. x 40°

Q: For mechanical components, what are the four different type of failure mechanisms

A: Solution:

Q: 2. The Goodman diagram relates oa and Om for fatigue failure after a specific number of cycles N₁,…

A: Given: σa=σa01-σmσTSσTS=375Mpaσa=0.45σTS To find: The maximum peak stress if failure in less than…

Q: A specimen has a yield strength of 1390 psi at room temperature (70 degrees F) and 910 psi when it…

A: Introduction: The yield strength of a material is the strength beyond which the material begins to…

Q: What is thermal stress analysis? [own words]

A:

Q: When a material is subjected to repeated stresses it will not fail without any prior indications.

A: When we apply repeated load on a material, then the properties or strength of the material will…

Q: The factor of safety for mechanical components that are subjected to fatigue loading should be based…

A: Factor of safety for mechanical components is the ratio of endurance limit stress to working stress…

Q: A 2m long rod is subjected to a tensile force, it's length reduces to 1.5m. What is the magnitude of…

A: Given data  The initial length of the rod= 2m The final length of the rod= 1.5m As we know…

Q: (a) The dependence of failure modes on temperature. (b) The effect of temperature changes and stress…

A: From the given graph for Izod impact test and creep test results for nylon thermoplastic polymer, We…

Q: In fatigue loading, the effect of stress concentration is more serious in case of O Components made…

A: Fatigue loading :- Fatigue is the failure of the structure that are subjected to repeated or cyclic…

Q: Discuss the importance of standards applied in the engineering environment

A: Standards is the basis of mutual understanding for people and organization. Importances : -…

Q: Does UTS increase or decrease when increasing the strain rate? With explanation for the reason…

A: Properties of the material are greatly influenced by the strain rate, temperature, and other…

Q: If for a given material, E = 2G (E is modulus of elasticity, G is the shear modulus), then the bulk…

A: from the relationship between the elastic constants we know E = 2G( 1+μ)E = 3k( 1-2μ)μ = poisson's…

Q: What is the unit of strain?

A:

Q: Differentiate between thermal conductivity and thermal conductance of a material

A: Thermal conductivity It is the ability of a material to conduct heat. It represents by K.  (It is a…

Q: 2.14 Estimate the load, F that is required to cause fracture for length, 1- using 4 points Lagrange…

A:

Q: Define strain. Provide example of strain calculation in biomedical field.

A: strain = delta L/L = change in length/original length

Q: sticity?

A: given: What is modulus of elasticity?

Q: What type of behaviour is observed from these stress-strain curves?

A: Consider the diagram shown below for the stress-strain curve. P: proportional limit Y: yield point…

Q: Strength sensitivity for strain rate increases with temperature: Select one: True False

A:

Q: How are the modes of failure readily defined?

A: The modes of failure are prediction theories. According to these theories, the solid material fails…

Q: 8 Draw a Stress-Strain diagram for steel and label stresses and the regions

A:

Q: List two main causes of failure in Mechanical Components.

A: Failure of any component is a condition when the component is unable to perform its assigned task.…

Q: Consider a cylindrical specimen of a steel alloy 10.0 mm in diameter 75 mm long that is pulled…

A:

Q: The general equation that describes the relationship between the stress and the strain for ductile…

A: Correct answer: 3. Hooke's law

Q: What did you learn about vibration engineering? At least three paragraphs must provide your…

A: To Explain : The vibration engineering.

Q: Pls answer thank you! A circular rod is 128 mm in diameter and carries gauge marks placed 50.8 mm…

A:

Q: A standard creep test is carried out under

A: A standard creep test in solid mechanics is used to know the deformation under continuous tensile…

Q: List four measures that may be taken to increase the resistance of fatigue of a metal alloy

A: Given:- Metal alloy To find: Measures to increase the resistance of fatigue

Q: 6. In a plot of the variation of stress with time in a fatigue test, what does the double arrow line…

A:

Q: An electrical-resistance strain gage records a strain of 400 µm/m on a steel tension member. What is…

A:

Q: O stress corrosion intergranular corrosion O erosion-corrosion uniform attack corrosion

A: Solution :- Option C erosion- corrosion is correct answer.

Q: State three precautions against fatigue.

A: Fatigue is defined as a process in which there is plastic deformation in the object due to the…

Q: causes of failure in mechanical components

A: solution given below.

Q: Please answer these three questions. Thank you!   A material has a Poisson’s ratio of -0.2 . Which…

A: Givenpart 1A material has a Poisson’s ratio of -0.2 . Which of the following is true?a. Strain is…

Q: Q.44. Give the different parameters value for different dielectric used in cable. Also, describe the…

A: When an electric field is applied to a dielectric material, electric charges do not flow through…

Q: The creep rate (in sec-1) for the 40N loaded polyethylene at 45C is: (enter in decimals, up to six…

A:

Q: * :Measurement of vibration is required to Detrmine the Temperture Avoid the failure Avoid the…

A: To determine the correct option.

Q: Set Fatigue Threshold. How can the Fatigue Threshold be created or extended?

A: The fatigue threshold is a concept in materials science and mechanical engineering that refers to…

Q: Calculate the modulus of resilience (in MPa) of a material if it has a yield stress of 500 MPa and a…

A:

Q: Explain the different between non-linearity and hysteresis error (includes diagrams).

A: Difference between non linearity and hysteresis error

Q: 2. In a structural problem, in physical terms (force, displacement, and degrees of freedom), what do…

A: In a spring system, we follow the Hooke's Law F = Kx = where F is the force, k is the spring…

Q: Given data : Stress=3 N/mm2 Strain=0.05 Find modulus of elasticity

A:

Q: must give units) a) Yield strength,Tensile/Ultimate strength,Modulus of

A: Given data Dia of specimen = 12.5 mm Gauge length = 50 mm Poisson's ratio = .33 Required Yield…