Problem #7 Determine the compressive force exerted on the specimen by a vertical load of 50 N applied to the toggle press. 50 N 90 mm B C -400 mm -400 mm
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- Questions part A and B shownPart A Direct tension indicators are sometimes used instead of torque wrenches to ensure that a bolt has a prescribed tension when used for connections. If a nut on the bolt is tightened so that the six 3-mm high heads of the indicator are strained 0.1 mm/mm, and leave a contact (Figure 1) area on each head of 1.5 mm“, determine the tension in the bolt shank. The material has the stress-strain diagram shown. (Figure 2) Express your answer to three significant figures and include appropriate units. HA ? Tigure 1 of 2 T = Value Units The unit you entered is not recognized. Review a list of acceptable units No credit lost. Try again. 3 mm Submit Previous Answers Request Answer < Return to Assignment Provide FeedbackYou are in charge of designing a new fixture for a “universal testing machine” that will attach a tensile specimen to the machine using a clevis—a U-shaped piece with holes drilled through the two arms—and a cylindrical pin that passes through the clevis and the specimen. If the maximum load exerted by the machine is 30 kN and the pin is to be made of some sort of steel, what is the minimum pin diameter needed to ensure that the shear stress in the pin does not exceed 600 MPa? Assume that the steel has similar elastic properties to pure Fe.
- Problem 2 You will be determining the value for the external load P that will cause the diameter of BC to change to 5.8 mm. The original diameter of BC is 6 mm. Use the values given below unless otherwise stated by the questions. E = 200 GPa V = 0.38 300 mm 400 mm B 1 -200 mm-Subject: mecaRequired information The specimen shown has been cut from a 5-mm-thick sheet of vinyl (E= 3.10 GPa) and is subjected to a 1.5-kN tensile load. It is given that /= 70 mm. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Dimensions in mm A B 10 C P' = 1.5 kN P = 1.5 kN 25 25 40 40 Determine the total deformation of the specimen. The total deformation of the specimen is mm.
- ! Required information The specimen shown has been cut from a 5-mm-thick sheet of vinyl (E= 3.10 GPa) and is subjected to a 1.5-kN tensile load. It is given that /= 46 mm. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Dimensions in mm В 10 P'= 1.5 kN P = 1.5 kN 25 25 -40 40 Determine the total deformation of the specimen. The total deformation of the specimen is mm.1. Define the terms load , stress and strain. Discuss the various types of stresses and strain. 2. What is the difference between modulus of elasticity and modulus of rigidity? 3. Explain clearly the bearing stress developed at the area of contact between two members. 4. What useful informations are obtained from the tensile test of a ductile material? 5. What do you mean by factor of safety? 6. List the important factors that influence the magnitude of factor of safety. What is meant by working stress and how it is calculated from the ultimate stress or yield stress of a material? What will be the factor of safety in each case for different types of loading? 8. Describe the procedure for finding out the stresses in a composite bar. 7. 9. Explain the difference between linear and lateral strain. 10. Define the following: (a) Poisson's ratio, (b) Volumetric strain, and (c) Bulk modulus 11. Derive an expression for the impact stress induced due to a falling load. 12. Write short notes on…AF = 8.5 lb force is applied to the handles of the vise grip (Figure 1). Figure Part A 0.75 in. NAF 20⁰ -1.5 in.--1 in μA Value 3 in. Determine the magnitude of the compressive force developed on the smooth bolt shank A at the jaws. Express your answer to three significant figures and include the appropriate units. Submit Request Answer F₁ Units F₁ WE < 1 of ?
- A tensile force of 100 kN is applied on a 0.02-m diameter and 2-m long rod. After applying the load, the diameter of the rod decreases to 0.01998 m and the length increases to2.01 m. The true axialstrain is?Please solve the problem with a neat paper sheet. The length AB for the lug wrench shown below is 12 inches. What is the maximum force (F) that one can apply on the handles without yielding the material (Steel: Sy = 45 ksi). The diameter of the wrench is 0.625 inch.The supporting wheel on a scaffold is held in place on the leg using a 4-mm-diameter pin as shown. (Figure 1) Figure 1 of 1 > Part A If the wheel is subjected to a normal force of P = 3.3 kN, determine the average shear stress developed in the pin. Neglect friction between the inner scaffold puller leg and the tube used on the wheel. Express your answer to three significant figures and include the appropriate units. Tavg= Submit Provide Feedback Value A Request Answer C Units ? Next >