I need the answer as soon as possible Q3: Answer two sections of the following.A: Answer the following questions. (Choose 5 only).1.Scaffolding is used where it is not possible to fix the standards intothe ground.2. Maximum shearing stress in a beam is at-3. The compressive strength of brittle materials is ------- its tensile strength.4. The bending strain is zero at5. The bending stress in a beam is6. Skin stress is also called asto bending moment.

1. Scaffolding is temporary structure which is used in the building by the workmen when there s a…

Answered: A: Answer the following questions.…

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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a) A pipe with an inside diameter of 42 mm is subjected to an axial load of 850 kN. If the maximum allowable tensile stress in the pipe is 2.50 kN/mm², calculate the minimum wall thickness required for the pipe. Give your answer in millimetres (mm) to 2 decimal places. b) A 1.25 m long cable has a diameter 3.50 mm with a Young's Modulus, E, of 9.75 x 10⁹ N/m². When the wire is placed under tension, it experiences a stress of 202.52 x 106 N/m², the length of the cable extends by 36.35 mm. Calculate the force that the cable experiences under tension and the strain energy density (U/V) due to deformation. Give your answers in newtons (N) to 2 decimal places for the force; and in joules per cubic metre (J/m³) for the strain energy density to 2 decimal places. Assume the cable is solid and the material is homogeneous. c) Figure Q1c shows a bracket on rollers that allow the bracket to move along a beam in the horizontal direction. A force F₁ of 2625 N acts at point A where the angle 8…
1- Where the Hook's law state in elastic limit or plastic limit? 2- Ductile materials elongate 3- Give two example of ferrous metal. 4- Mechanical properties of metals are those properties which completely define its behavior under the action of.. 5- What is the resilience measure? 6- In shear stress and strain, a body is subjected to two equal and opposite forces, acting...across the resisting section. 7- The malleability depends upon the 8- Can we consider (avoids the production delays) as advantage of good? 9- Why the machining operating performed? 10- Stress is defined as the internal resistance set up by the molecules of a material to resist.... , due to application of external forces.
2) A spring having a length of 500 mm deform by 50 mm when loaded by 50 kN. a) If the spring is cut by half of its length and is loaded by the same load, compute the deformation of the 20 mm spring. b) Determine the spring constant of the 500 mm spring. c) Compute the spring constant of the second spring. Note: Spring Constant= K K= load / deformation
a) If a pipe with an inner diameter of 36 mm is subjected to an axial load of 5.20 x 105 N and the maximum allowable stress in the pipe is 7.5 x 109 N/m2 , calculate the minimum wall thickness required for the pipe. Give your answer in millimetres (mm) to 2 decimal places. b)A wire with a Young’s Modulus, E, of 8.5 x 106 N/m2 and an original length of 1.5 m is under tension. If the wire length extension is 2.5 mm, calculate the stress in the wire. Give your answer in N/m2 to 2 decimal places.
1. Note: for part a), you can do this without a calculator; it might be easier to work out the problem symbolically, and then substitute the numbers at the end of the problem. В 2L The axial rod is fixed to the two walls, as shown above. Portion AB is composed of one material (EAB = E), while portion BD is composed of a different material (EBD = 2E). Portion AB has cross sectional area AAB = A, while portion BD has cross sectional area ABD = 2A. EAB = E = 15×106 psi AAB = A = 1 in² EBD = 2E = 30×10° psi ABD = 2A = 2 in² LAB = L = 10 in. LBC = 2L = 20 in. LcD = L = 10 in. An external force, P = 100 kips, is applied at point C as shown below. a) Determine the reaction forces at wall A and D, Ra and Rp. Specify the direction, (→) or (+). b) Deflection at point C. Specify the direction, (→) or (+). (Ans: RA = 100/7 kips →, Rp = 600/7 kips →, & = 1.429x10² in –)
Question 8 Not yet answered Marked out of 2.00 P Flag question O a. Slide Final exam Remotely Prod +b,h,d + b₂h 12 + b₂h₂d² 12 Question 1.8 A box beam shown in Figure Q1.8 is subject to a bending moment about the z axis. The normal stress with the maximum magnitude due to the bending moment occurs at A IC B Figure Q1.8 Point C O b. Point A Oc. Point B O d. Point D
please solve it clearly. strength of material
Q1-B // A steel bar has a square section of 10 mm side and a length of 60 mm, subjected to a tension force of 50 KN, as a result the bar has extended 2 mm; Calculate: 1-Yong modulus 2- The engineering stress 3- The engineering sustain 4- The true stress 5- The true strain 6- The percentage reduction in Area
Q3): Choose the correct answer for the following: 1. Fine threads bolts have a tensile stress area (cross sectional area) smaller than coarse threads bolts. b. FALSE a. TRUE 2. The tensile stress area of the bolt M 8 x 1 is: a. 39.2 mm² b. 36.6 mm² 3. The bolt M 36 x 3 has: a. coarse threads b. fine threads 4. If the required tensile stress area of the bolt is 5.5 mm², the more appropriate fin threads bolt is: a. M 3 x 0.35 b. M 3 x 0.5 5. If a flat plate with a central hole is subjected to direct tension and the percentage the diameter of the hole to the width of the plate (d/w) = 0.15, then, the stre concentration factor is approximately: a. 2.6 b. 2.3 6. Drawbar spring is designed to support: a. tensile load only c. tensile and compression load d. torsional load only b. compression load only 7. In general, the rods connected by knuckle joint can support a compressive load e- if the rods are not guided. a. TRUE b. FALSE 8. The free length of the plain ends spring is equal to (where:…
Actually, (a) and (b) were incorrect I already submitted it with a and b then I got the result incorrect
As can be seen in the figure, the first rope pulls a hook attached to the ceiling with a force of 8kN at an angle of 75 degees, and the second rope with a force of 6 kN at an angle of 30 degrees. So what is the total force acting on the hook? (Cos105 = -0.25 = 1/4) A) 8.71 N B) 9.61 N 30" 12 - F2 = 6 kN C) 6.61 N F1 = 8 kN D) 10 N E) 7.81 N
Learning Goal: To use Mohr's circle to determine the principal stresses, the maximum in-plane shear stress, and the average normal stress in an element. The state of plane stress on an element is shown below. Let oz= 30.0 MPa, O, = -100.0 MPa, and Try = 50.0 MPa 100 MPa 50.0 MPa 30.0 MPa Part A - Construction of Mohr's circle for the state of stress For the element shown, construct Mohr's circle for the state of stress shown associated with the x plane. First, select the center of Mohr's circle (point C) and select the point that represents the state of plane stress shown (point A). Given these two points, determine the length of the line connecting these two points, which represents the radius R of the Mohr's circle.

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