Question Three: Derive expressions that shows 1) Relationship between modulus of elasticity and modulus of rigidity 2) Relationship between modulus of elasticity and bulk modulus
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A: given: what is si unit of stress?
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A: Stress analysis requires Material properties.
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A: QUESTION : WHAT IS FATIGUE STRENGTH ? ANSWER:-
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A: A material that regains its original shape after removal of the load is called the perfectly…
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A: For solution refer below images.
Q: ) Which is incorrect for the transition point to the plastic zone? A) hooke is the end of the law B)…
A: option A is correct option. hooks law end at the proportionality limit while plastic region occur…
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A: Given:- Hooke's law To find:- Relationship of Hooke's law
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A: solution- given: w-0.3m FOS-2.5 ultimate stress-450Mpa
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A: The most ductile material is material C because it's ductility is highest.
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A: Given question: Define stress, Positive stress and causes of stress.
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A: According to terms and conditions of bartleby we can only provide 1st solutions . thank you!
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A: Normal stress is defined as stress which induced due to the outside force acting normally on a…
Q: s of rigidity.
A: Modulus of rigidity: It is also called shear modulus,It is the ratio of the shear stress and the…
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A: Given material-SAE 1040 hot rolled steel. To be find- Ultimate strength,yield strength and…
Q: What is the relation between bulk modulus and modulus of rigidity, Please write expression.
A: Given:Bulk modulus=Kmodulus of rigidity=G
Q: What is the unit of modulus of rigidity?
A: Given: Modulus of rigidity
Q: Given data: Modulus of elasticity =3*Bulk modulus Determine Poissons ratio
A:
Q: QUESTION 4: A machine with a mass of "600" tons was placed on 6 legs. Feet are square section; its…
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Q: Write the relation between modulus of elasticity and bulk modulus.
A: Modulus of Elasticity:- Young's Modulus is defined as the slope of stress-strain curve under direct…
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A: Which one of the following do you think is INCORRECT for timber material? The higher the…
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A: At room temperature the mild steel is ductile material. A ductile material shows liner relationship…
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A: GivenT1=70FT2=100Fαd=12.8×10-6 /oF
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A: Flexure (Bend) tests are generally used to determine the flexural modulus or flexural strength of a…
Q: Which choice below best describes the mechanical property of materials called toughness? a.…
A: Correct Answer - (c) How much energy a material can absorb without breaking.
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A: Tensile force is the force applied on a material which stretches the material. The tensile force…
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A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: Over the elastic range, the deformation of a spring is directly proportional to?
A: The elastic range is the range of stresses within which the material's deformation is temporary and…
Q: Can the buckling of a column lead to a sudden and dramatic failure of a structure?
A: Yes obviously buckling of a column lead to sudden and dramatic failure of a structure. Buckling is…
Q: Discuss Flexure, Shear and Deflection.
A: Flexure : The members those experiences primarily bending stresses such as beams is called as…
Q: Ratio = ? What is the other term used for the stress at infinite life = ? What is the name of this…
A: here, take log-log scale for easy calculations,and find the required ratio. here stress at infinite…
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A: The strain is the response of a system to applied stress. When a material is loaded with a…
Q: Which of the followings can be found out by calculating the area only under the linear portion…
A: Option a is correct.
Q: QUESTIONS 1. Define the terms load, stress and strain. Discuss the various types of stresses and…
A: We are suppose to solve only one question. Please post other question as a separate question.
Q: What is thermal gradient in thermal stress [explained thoroughly]
A: The temperature gradient is defined as the difference in temperature between two points over a body.…
Q: What will be the relation between E (Young's modulus of Elasticity) and K (bulk modulus). when…
A: Given data : Bulk modulus=K Modulus of elasticity=E Poisson ratio=μ
Q: the change in length and Calculate the change in diameter.
A:
Q: Area Ai in Figure 1.3 represents the material's properties of: (a) Ductility. (b) Modulus of…
A: In area A1 the stress acting on the object is directly proportional to the strain produced in the…
Q: lasticity, el
A: solution of above question is below
Q: What is the unit of modulus of elasticity.
A: Elasticity is a property of the material that enables the material to regain its original size and…
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- A sign for an automobile service station is supported by two aluminum poles of hollow circular cross section, as shown in the figure. The poles are being designed to resist a wind pressure of 75 lb/ft" against the full area of the sign. The dimensions of the poles and sign are hx= 20 ft, /r =5 ft, and h = 10 ft. To prevent buckling of the walls of the poles, the thickness e is specified as one-tenth the outside diameter d. (a) Determine the minimum required diameter of the poles based upon an allowable bending stress of 7500 psi in the aluminum. (b) Determine the minimum required diameter based upon an allowable shear stress of 300 psi.The figure shows an idealized structure consisting of rigid bars ABC And DEF joined by a linearly elastic spring ß between C and D. The structure is also supported by translational elastic support ß at B and rotational elastic support ßRat E. Determine the critical load Pcrfor the structure.Slender column ABC is supported at A and C and is subjected to axial load P. Lateral support is provided at mid-height if but only in the plane of the figure; lateral support perpendicular to the plane of the figure is provided only at ends A and C. The column is a steel W shape with modulus of elasticity E = 200 GPa and proportional limit pl= 400 MPa. The total length of the column L = 9 m. If the al low-able load is 150 kN and the factor of safety is 2.5, determine the lightest W 200 section that can be used for the column. (See Table F-l(b), Appendix F).
- An aluminum tube AB with a circular cross section has a sliding support at the base and is pinned at the top to a horizontal beam supporting a load Q = 200 kN (sec figure). Determine the required thickness t of the tube if its outside diameter d is 200 mm and the desired factor of safety with respect to Eu 1er buckling is n = 3.0. (Assume E = 72 GPa.)A long re Lai nine: wall is braced by wood shores set at an angle of 30° and supported by concrete thrust blocks, as shown in the first part of the figure. The shores are evenly spaced at 3 m apart. For analysis purposes, the wall and shores are idealized as shown in the second part of the figure. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall is assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the walls is F = 190 kN. If each shore has a 150 mm X 150 mm square cross section, what is the compressive stressA steel column ( E = 30 X 103 ksi) that is fixed at the base and free at the top is constructed of a W8 x 35 wide-flange member (sec figure). The column is 9.0 ft long. The force P acting at the top of the column has an eccentricity e = 1.25 in. If P = 40 kips, what is the maximum compressive stress in the column? If the yield stress is 36 ksi and the required factor of safety with respect to yielding is 2.1, what is the allowable load Pallow?
- The figure shows an idealized structure consisting of two rigid bars joined by an elastic connection with rotational stiffness ßR. Determine the critical load PCTfor the structure.A rigid bar of length L is supported by a linear elastic rotational spring with rotational stiffness ßRat A. Determine the critical load Pcr for the structure.A column, pinned at top and bottom, is made up of two C 6 x 13 steel shapes (see figure) that act together. Find the buckling load (kips) if the gap is zero. Find required separation distance d(inches) so that the buckling load is the same in y and z directions. Assume that E = 30,000 ksi and L = 18 ft. Note that distance d is measured between the centroids of the two C shapes.
- A vertical pole of aluminum is fixed at the base and pulled at the top by a cable having a tensile force T(see figure). The cable is attached at the outer edge of a stiffened cover plate on top of the pole and makes an angle a = 20° at the point of attachment. The pole has length a = 2.5 m and a hollow circular cross section with an outer diameter d2= 280 mm and inner diameter d1= 220 mm. The circular cover plate has diameter 1.5d2 Determine the allowable tensile force Tallow in the cable if the allowable compressive stress in the aluminum pole is 90 MPa.An idealized column is made up of rigid bars ABC and CD that are joined by a rotational elastic connection at C with stiffness ßR. The column has a roller support at B and a pin support at D. Find an expression for the critical load Pcr of the column.An idealized column consists of rigid bar ABCD with a roller support at B and a roller and spring support at D. The spring constant at D. is ß = 750 N/m. Find the critical load Pcrof the column.