zain 102G3Gzain IQZ Questions of Lectu...->Questions of Lecture Five:Q1)) Define the following:1) The stress & the strain2) Mechanical stress and mechanical strain3) yield strength and tensile strength4) Modulus ofelasticity and the strain hardeningQ2)) Fill the following blanks:1)) Tensile tests are used to3)) The most application tests of applied static stresses to which materials can besubjected are ---------, ---------, ---------4)) Tensile stresses cause ---------, and compressive stresses ----------, while shearstresses ----------, of the material.5)) Engineering stress-strain is important in ----------, while the true stress-strain isimportant in ----------6)) The unit of mechanical stress is --------- or ----------, while the unit of strain isn compression test, when specimen is compressed, its height is ---------, and itscross-sectional area is8)) Compression is in contrast to the tensile, the compression test contributes to the----------, in stress with --------, elongation.9)) The hardness test measures ----------10)) There are several methods of hardness test, such as: ------------------,----------.11)) Hardness Test can be found in different scales, such as: -------,12)) The impact test describes the --------, and it often used to evaluate ---------- of7)) In-----,--------.the material.13)) There are many impact test types including the -------- test and ---------- test.14)) The ASTM standards means -----, and ISO standards means ----------.Q3)) Draw the sketch of engineering and true stress-strain curves.Q4)) Answer the following briefly:A)) What the benefit of understanding the mechaneical properties of the material?B)) Write the equation of the following:Engineering stress, True stress, Engineering strain, True strain, modulus of elasticityC)) Write the equation to explain the relationship between stress and strain in the elasticand plastic regions?D))Why the engineering stress-strain results are important in the design, while the truestress-strain results are important in the manufacturing.E)) Explain meganism of tensile test?F)) There are two different types of stress-strain curves; what are they, explain briefly?G)) What is the means of the yield point in stress-strain curve, explain briefly?H)) The process of bending subjects the material to various stresses, explain briefly?I)) Explain the applied load and the indentor type used in the hardness test for the following:Brinell Hardness Test (BHN), Rockwell Hardness Test (HR),Vickers Hardness Test (HV), Knoop Hardness Test (HK).J)) Describ the meganism of impact test briefly?

Stress is defined as the force experienced by the object that causes the object to change. Stress is…

Answered: Q1)) Define the following: 1) The…

Engineering

Mechanical Engineering

Q1)) Define the following: 1) The stress & the strain

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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