Why should the thermal stresses be considered in design?

Q: What are the factors that affect the ultimate choice of the material?

A: There are two important principles that should apply to materials for their ultimate choice:…

Q: Distinguish between simple and indirect shear stress?

A: Simple shear stress also known as direct shear stress is the shear stress developed due to a…

Q: How does temperature effect a materials ability to resist a load?

A: Considering the variation of temperature while designing of any element is an important aspect.…

Q: scuss the concept of stresses? State the properties could be drawn from the stress strain diagrams

A: when load is applied on a member , by nature it will try to deform the member. the material will try…

Q: What is Circumferential Stress?

A: Circumferential Stress When pressure inside thin pressure vessel exceeds it exerts force from inside…

Q: What are Rigid Bodies and their examples.

A: Given Data : Rigid bodies

Q: 1, What does steel have in terms of hot and cold shortness? What led to the Titanic disaster (focus…

A: To explain:   1. What does steel have in terms of hot and cold shortness? What led to the Titanic…

Q: Explain EXTERNAL WORK AND STRAIN ENERGY?

A: External work: Work is said to be done when energy created by all the processes taking place inside…

Q: What is Material Property Relationships?

A: The material property relationships are those relations that interact with the properties of…

Q: Describe the general trends that connect stress level and temperature with steady-state creep rate…

A: Creep is a kind of deformation seen in the material subjected to cyclic loading. The gradual slow…

Q: Do ductile materials fail in shear?

A: The type of materials that undergo considerable plastic deformation before fracture are known as…

Q: What is thermal stress?

A: Thermal stress: When the temperature of the material is altered, the material tries to change its…

Q: 1. What is the difference between direct and shear stress?

A:

Q: How can we determine the deformation of an axially loaded member?

A: Whenever a member is loaded axially there is change in the dimensions of the member. Length of the…

Q: Define the term Stress Concentrations?

A: Stress concentration is a location in a member under load where the magnitude of stress is…

Q: Discus the impact of each defect on material properties.

A: The main defect in a material are point, line, and surface defects. These defects are crystalline…

Q: engineering materials and processes introduction about forging and welding

A: Forging is a manufacturing process, which is used for making different shapes of metals. This…

Q: How can we analyze the effects of impact?

A: The impact loads are the loads that act for a minimal amount of time but cause severe stresses and…

Q: How are (yield strength and E-modules )affected when we increase the hardness of a metal?

A: The yield strength and tensile strength of the material have a linear correlation with the hardness…

Q: If a strengths-of-materials analysis determines the maximum torque that can be applied to a shaft is…

A:

Q: What is the permanent strain?

A: Strain: When a force is applied to any system, they deform based on the applied force. The…

Q: a turbine blade ir A ceramic/polyme cell Automotive steel

A:

Q: Name the four basic bulk deformation processes.

A: Given:

Q: Why is it not necessary to use stress concentration factors if the material is ductile?

A: Stress concentration is a location in a member under load where the magnitude of stress is…

Q: I. In a few words or in a single short sentence explain why it is easier to deform a piece of…

A: Explanation:  (i) Aluminum is the more ductile as compare to steel. Aluminum has not yield points…

Q: What cross-sectional property is influenced by the size effect factor between the depth and width of…

A: The properties that get affected by the depth and the width of the member are given below: (A) The…

Q: The steel structure (E=200GPA) shown in Figure Q4, is consisted of the solid bar, DC (length, L of…

A:

Q: Distinguish between the Brittle material and the Ductile material?

A: Brittle Materials: These materials elongate on the application of load to the materials. They can…

Q: Distinguish between the Normal and Shear Stress Components?

A: Normal and shear stress components are distinguished by their direction with respect to the area on…

Q: Are the Expansion joints, used to mitigate thermal stress in materials?

A: Expansion joint It is a configuration developed to join the sections together while efficiently…

Q: Why is heat treatment typically an integral part of the process flow for bulk deformation of metal?.

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Q: What are Ductile materials?

A: Ductility: It is a property of a material to elongate when tension or load is applied to it. In…

Q: What is heat flux in thermal stress?

A: Heat Flux- Heat flux is defined as the ratio of heat transfer per unit area. Heat flux and thermal…

Q: Which of the following material properties is independent of time? Plasticity Creep Relaxation…

A: There are so many mechanical properties of material. Some are dependent of time and some are…

Q: What are principal stresses?

A: The highest and the lowest value of the normal stress acting at a point is known as the principal…

Q: 5) Draw the stress-strain curve and gives the stress and strain equations for both Engineering and…

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