A 13 mm diameter tensile specimen has 50 mm gauge length. If the load corresponding to the 0.2% offset is 6800 kg, the yield stress will be nearly 1. 31 kg/mm² 2. 43 kg/mm² 3. 51 kg/mm² 4. 63 kg/mm² X
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- Due to loading, the plate is deformed into the dashed shape shown in the figure. Assume a = 39 in., b= 33 in., δ1= 0.1625 in., δ2= 0.1 in. Determine the average normal strain along the side AB? Determine the average shear strain in the plate at A relative to the horizontal and vertical axes? In micro radA flat bar with a cross section of 8 mm by 50 mm elongates 2.1 mm in a length of 1.5 m as a result of an axial load of 50 kN. The proportional limit of the material is 240000 KN/sq m. Determine the axial stress in the bar and the modulus of elasticityThe rigid, horizontal slab is attached to two identical copper rods. There is a gap ∆ = 0.18 mm between the middle bar, which is made of aluminum, and the slab. Neglecting the mass of the slab, calculate the stress in each rod when the temperature in the assembly is increased by 60 oC. Use the following data:
- Consider a bar with a rectangular cross-section area with a thickness of t = 0.5 in. and height of h = 3.5 in. When force P = 19 kips is applied to the bar, the strain gages attached to the surface of the bar reads εx = 740 µε along the direction of the force and εy = -170 µε in the perpendicular direction. Determine Poisson's ratio for this specimen? Determine the modulus of elasticity for this specimen?in KsiAssume that a punch having a diameter of 20mm is used to punch a hole10mm thick plate. If a force P = 120KN is required to create the hole, what is the average shear stress in the plate and the average compressive stress in the punch?Due to loading, the plate is deformed into the dashed shape shown in the figure. Assume a = 39 in., b= 33 in., δ1= 0.1625 in., δ2= 0.1 in. Determine the average normal strain along the side AB?in micro rad And answer in right and clear way Determine the average shear strain in the plate at A relative to the horizontal and vertical axes?
- DURING THE STRESS-STRAIN TEST, THE UNIT DEFORMATION AT A STRESSOF 30 MPa WAS OBSERVED TO BE 110 x 10-6 mm/mm AND AT A STRESS0F 130 MPa IT WAS 520 X 10-6 mm/mm. IF THE PROPORTIONAL LIMITWAS 250 MPa, WHAT IS THE MODULUS OF ELASTICITY? WHAT IS THESTRAIN CORRESPONDING TO A STRESS OF 150 MPa?What strain will be produced by a stress of 20 x 106 N/m2, for a given modulus of elasticity 100GPa. a. 0.000002 b. 0.0002 c. 0.002 d. 0.0008Refer to the figure 1. Which of the following most nearly gives the value of the major principal stress? Answer: 216 kPA 2. Which of the following most nearly gives the value of the normal stress on the plane AB? Answer: 174.64 kPa 3. Which of the following gives the value of the shear stress on the plane AB? Answer: 54.64 kPA
- Following experimental data are obtained from tensile test of a rectangular test specimen with original thickness of 2,5 mm, gauge width of 24 mm and gauge length of 101 mm: Load (N) Elongation (mm) 0 0 24372 0,183 23008 0,315 28357 5,777 35517 12,315 27555 17,978 23750 23,865 Based on the information above; draw stress-strain diagram of the material and answer the following questions. - Calculate the fracture strength (in MPa) of the material. - Calculate the percent elongation of the specimen at fracture point. - Determine the modulus of resilience (in N.mm/mm3) of the material. (Use at least five decimal units) - Determine the toughness index number (in N.mm/mm3) of the material. - Determine the elastic energy absorption capacity (in N.mm) of that specimen. - Determine the plastic energy absorption capacity (in N.mm) of that specimen.A hollow cylinder with an OD of 100mm and an ID of 30mm, supports a load of 100kN. What is the compressive stress in MPa?.............I know stress=p/a , but I am not sure how to find the height in order to calculate the area or if there would be another way of doing it ?Following experimental data are obtained from tensile test of a rectangular test specimen with original thickness of 2,5 mm, gauge width of 24 mm and gauge length of 101 mm: Load (N) Elongation (mm) 0 0 24372 0,183 23008 0,315 28357 5,777 35517 12,315 27555 17,978 23750 23,865 Based on the information above; draw stress-strain diagram of the material and answer the following questions. - Calculate the yield strength (in MPa) of the material. - Calculate the percent elongation of the specimen at yield point. (Use at least five decimal units) - Calculate the stiffness (in MPa) of the specimen material. - Calculate the ultimate strength (in MPa) of the material. - Calculate the percent elongation of the specimen at point of ultimate strength. - Calculate the fracture strength (in MPa) of the material. - Calculate the percent elongation of the specimen at fracture point. - Determine the modulus of resilience (in N.mm/mm3) of the…