the maximum stress at which material fail on a specified number of cycle? نقطة واحدة Fatigue strength Fatigue life Ultimate tensile strength Endurance limit

Q: The stress strain curve of Mild steel shows a. zero plastic deformation b. the curve is straight c.…

A: Please refer to the attached image a. The point A represents the yield point  of mild steel . The…

Q: c) 63.6 N/mm? d) 71.2 N/mm² 7. For an extremely ceramic , the true fracture strain calculated from…

A: 8Q Explanation: Bending stress comes when there is some kind of eccentric load. When nut is…

Q: what are the symbols for frictional force, applied force, normal force, and gravitational force?

A: ■ The frictional force exist due to surface roughness and the relative motion between the bodies. ■…

Q: Three identical fatigue specimens (denoted A, B, and C) are fabricated from a nonferrous alloy. Each…

A:

Q: The flow curve equation is used to correlate true stress and true strain in the plastic region of…

A: In mechanical forming Operation stress and strain relationship is σ=kϵn Where K is Coefficient of…

Q: The property of a material due to which it breaks with little permanent distortion, is called…

A: Malleability is the property of the material to deform its shape under the influence of pressure.…

Q: What are the different types of stresses on an aircraft structure?

A: Tension, compression, shear, bending, and torsion are stresses that affect aircraft wings, fuselage,…

Q: What is the proportionality limit? a. Limit up to which the necking begins b. Limit up to which…

A: 1). proportionality limit is that point where stress-strain curve is linear. d. Limit up to which…

Q: A wire with a diameter of 9 mm is to be used to suspend a static load of 20 kN. If a safety factor…

A: Given data  diameter of wire (D) = 9 mm Static load acting on the wire (P) = 20 kN The factor of…

Q: What mechanical property describes the ability of a material to absorb energy when it is deformed…

A: Resilience is the energy absorbed by the member within elastic region. Or it can be defined as the…

Q: 1. As an Engineer how do you improve the fracture toughness of different metals? 2. How is a…

A: 1 2

Q: What, in your opinion, are the possible applications of the course ‘Mechanical Vibration’ in the…

A: Mechanical Vibrations applicationsMechanical Vibration is a very wide part in the feild of…

Q: Three identical fatigue specimen ( denoted A ,B and C ) are fabricated from none ferrous alloy .Each…

A: Given: Specimen max. stress(MPa) min. stress(MPa) A +450 -150 B +300 -300 C +500 -200

Q: 4. Which of the following has a highest stress to strain ratio? i) Vulcanised rubber il) Hard rubber…

A: Given :-  Which of the following has a highest stress to strain ratio? i) Vulcanised rubber ii) Hard…

Q: 26. Which one of the following is the correct definition of ultimate tensile strength, as derived…

A: Ultimate tensile strength is ,The maximum load divided by the original area of the specimen.

Q: 25. Which one of the following types of stress strain relationship best describes the behavior of…

A: In engineering, when some amount of strain is applied on a material, the material undergoes…

Q: Please solve these two questions.. please do it fast a.How is a failure defined in fracture…

A: Conventional Failure: It is the state at which the given material is unable to perform its desirable…

Q: The stress/strain curve behavior for annealed and recrystallized metals can be described as…

A:

Q: Assume the following machine components are made of ductile material. Among which of the following…

A: the following more importance for stress concentration has to be given.

Q: What is the tensile load of a 1/2 in x 4 in x 12ft steel tie rod experiences an 80°F temperature…

A: Write the expression for the change in length. Here, α represents the coefficient of linear…

Q: During one of his breaks, John Alfred accidentally pushed his coffee on the table’s edge. The cup…

A: It is required to choose correct answer

Q: T or F Ductile materials have long stress-strain diagrams so they fail suddenly without warning. SO

A: Given:

Q: The factor of safety on the basis of maximum shear stress theory

A: Given data; σxx=100 Mpaσyy=220 Mpaσxy=σyx=80 Mpa we have to find the F.O.S on the basis of max shear…

Q: part 1 When the material enters the _____ region of the stress-strain curve, the material is no…

A: Given question belongs to the subject Solid mechanics and can ba solved using the concept of Stress…

Q: Which of the following sets of properties leads to a high degree of thermal shock resistance? High…

A: Which of the following sets of properties leads to a high degree of thermal shock resistance? High…

Q: Which of the following is correct regarding the stress strain curve of Mild steel a. No elastic…

A: 1) The curve is initial elastic upto Elastic Limit. 2) The curve si straight upto LOP 3) After EL ,…

Q: Which is/are true of fatigue? a) the applied stress might be axial, flexural, torsional. Choose as…

A: correct options are- a) the applied stress might be axial, flexural, torsional.

Q: stress theory and (ii) Distortion Energy theory (iii) Maximum stress theory (iv) maximum strain…

A:

Q: When the material enters the _____ region of the stress-strain curve, the material is no longer able…

A:

Q: Why is ductility important to engineers?

A: Ductility is the ability of material to deform or elongate  without breaking.

Q: Which of the following statements are true? Creep is time independent at a given temperature Creep…

A:

Q: Q1. Which one statement most accurately describes the relative strength and toughness for materials…

A: It is required to choose correct option

Q: Why we study the subject of industrial material in the field of mechanical Engineering?

A: Given Industrial material To find Role of Industrial material

Q: Which of the following statements are true? Creep measures strain as a function of time Creep is…

A: Which of the following statement is true about the creep.

Q: Necking occurs in the material. A. A v Fracture. v The material has no plastic deformation. В. В C.…

A: fracture point F no plastic deformation point A point c is the yeild strength

Q: Brittle materials have less impact strength compared to ductile materials. Select one: True False

A:

Q: Process used to improve fatigue resistance of the metal by setting up compressive stresses in its…

A:

Q: Three identical fatigue specimens (denoted A, B, and C) are fabricated from a nonferrous alloy. Each…

A:

Q: stress amplitude and stress ratio are respectively

A: Given; From drawn figure, fluctuating fatigue load;Stress amplitude;  It is the stress at which…

Q: A hook is loaded with a force acting downward. Study its deformation behavior in the image shown…

A: From the given figure it can be seen that the force acting vertically downward is acting along the…

Q: Which of the following properties of the material deals with "withstanding cyclic stresses or…

A: Option b is correct.

Q: Ductile failure is characterised by:  Little or no elongation to failure  Cavity coalescence…

A: Ductile fracture : It is fracture that happens when a material is subjected to a load for some time…

Q: If a constant-stress load cycle is periodically interrupted by an anomalously large stress cycle,…

A: Fatigue lifetime Generally, it is a mechanical term used for the measurement of the lifespan of a…

Q: Ductile materials have more impact strength compared to brittle materials. Select one: True False

A: Ductile materials have more impact strength compared to brittle materials:

Q: Describe the stress analysis process and the concept of the following failure theories for…

A: Theories of failure are the theories that help us to find the safe dimensions of the objects or…

Q: Fatigue properties can be represented by Select one: a. Strain-Stress diagram b. S-N diagram O c.…

A: Fatigue properties can be represented by Select one: a. Strain-Stress diagram b. S-N diagram c. N-S…

Q: The failure of a material under varying load, after a number of cycles of such load, is known as (a)…

A: Option d is correct.

Q: In stress and strain diagram for a perfectly ductile material, the  yield strength, and ultimate…

A: In the above statement, it mentions about stress strain curve of perfect ductile material have well…

Q: What are the importance of hardness test in engineering practice?

A: Hardness testing is done to find the resistance of a material to permanent, plastic deformation.

Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.