If a material has identical elastic properties in all directions, it is said to be (a) elastic (c) orthotropic (b) isotropic (d) homogeneous
Q: The stress-strain relation of an aluminum alloy bar having a length of 2 m and a diameter of 10 mm…
A: Calculate stress by using the following equation: σ=Pπ4d2 Here, Load applied on the rod is P and…
Q: An extruded polymer beam is subjected to a bending moment M. The length of the beam is L-760 mm. The…
A: Give Data: Length of beam=760 mm b1=102 mm b2=20mm d2=20mm a=6.5 mm tensile stress=10 Mpa…
Q: A bar made from aluminum (E = 72 GPa) has a diameter of 12 mm. When the bar is subjected to a…
A:
Q: A steel of cross-section area 100 mm² and 1 m long is subjected to a tensile force of 40 kN. What is…
A:
Q: extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 540 mm.…
A:
Q: Diameter of the metal bar, before and after load application was measured to be 100.00 mm and 99.99…
A:
Q: The unit of modulus of elasticity is same as those of (a) stress, strain and pressure (b) stress,…
A: unit of modulus of elasticity = N/m2 N=newton
Q: A steel bar is heated from room temperature to 800C while it is free to expand. The bar will…
A:
Q: The modulus of elasticity are slightly higher for ceramic materials, Polymers have modulus values…
A: Metals, including natural alloys, are composed of metallic components that are connected…
Q: Which of the following is not a property of steel materials? a) Homogeneous and isotropic b)…
A: Steel : When compared to other types of iron, steel is an iron alloy with a few tenths of a percent…
Q: Deformation of a steel rod due to applied load will be more when O a. Diameter of the steel rod is…
A: Option c) i.e( Modulus of elasticity is less) is correct.
Q: A specimen of aluminum having a rectangular cross section 10.4 mm × 12.6 mm (0.4094 in. × 0.4961…
A: So, stress can be defined as ; σ = PA P = Tension pull = 35900 A = 10.4 * 12.6 = 131.04 mm2 σ =…
Q: A bronze rod is rigidly attached between an aluminum rod and a steel rod as shown in the figure…
A:
Q: A material obeys hook's law up to a. Elastic limit O b. Plastic limit O c. Limit of proportionality…
A: Following answer is in step 2
Q: The strength of a bar depends of the following components EXCEPT
A: Question : The strength of a bar depends of the following components EXCEPT . Answer : d) None of…
Q: steel bar originally 200 mm long is pulled in tension with stress 150 MPa the magnitude of elastic…
A:
Q: Compare ceramics to metals and polymers respectively in terms of deformation
A: ceramic metals polymer ceramic materials are brittle in nature i.e, ceramic materials fracture…
Q: b2 a M d2 d1 | A B L b1 Answer: M = i N-m
A:
Q: The deformation per unit of the original length of a material is called as a. Stress O b. Strain O…
A:
Q: For a material with poisons ratio 0.25, the ratio of modulus of rigidity to modulus of elasticity…
A: Given, Poisson's ratio, v = 0.25 Find, The ratio of modulus of rigidity to the modulus of elasticity…
Q: An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 760 mm.…
A: Given:- The length of beam=760 mmb1=34 mmd1=106 mmb2=20 mmd2=20 mma=7 mmAllowable tensile bending…
Q: The deformation per unit length is called C(A) Tensile stress O(B) Compressive stress OCC) Shear…
A: Strain : Strain is defined as the ratio of change in length upon original length , It is…
Q: The material can able to resist wear and tear for many years is called a. Tough Material O b.…
A: Ability of material to resist wear, tear, scratching, abrasion cutting is called hardness. Harder…
Q: A cylindrical bar of aluminum 1.75 in diameter is to be deformed elastically by application of a…
A:
Q: The steel strip has a uniform thickness of 50 mm. Compute the elongation of the strip caused by the…
A: The given steel strip can be considered as a combination of two strip of equal dimension. The…
Q: In the elastic range of a material, if the load is removed the material will. a. Remain in its…
A:
Q: Stress-Strain Behavior 6.3 A specimen of copper having a rectangular cross section 15.2 mm × 19.1 mm…
A: Given: Tension force, F= 44,500 N Cross-section=15.2 mm×19.1 mm
Q: Which is not an elastic constant? O Bulk modulus O Shear Modulus O none of the choices O Modulus of…
A: elastic constants
Q: An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 500 mm.…
A: Given data: Length of beam=L=500 mm b1=33 mm, d1=109 mm b2=20 mm, d2=20 mm a=6.5 mm Allowable…
Q: When a material is unloaded and returned to its original shape, it exhibits plastic behavior. True…
A: Plastic behaviour- This means the material deforms irreversibly and does not return to its original…
Q: An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 500 mm.…
A: Determine the largest moment M that can be applied as shown to the beam.
Q: A 12-mm thick steel tire has a width of 110 mm and an internal diameter of 800 mm. It is heated and…
A:
Q: All of the following statements are correct except: a. Materials with higher modulus of elasticity,…
A:
Q: If a steel column with cross-sectional area A = 1000 mm^2 modulus of elasticity E = 200 MPa and…
A:
Q: Modulus of rigidity may be defined as the ratio of O(A) Linear stress to lateral strain O(B) Lateral…
A: Modulus of rigidity is also known as shear modulus . It is defined as the ratio of shear stress upon…
Q: Plasticity means: The property that indicates that the material does not crack or break after a…
A: Plasticity means an effective load which cause deformation in material beyond elastic limit and the…
Q: A1 m long steel rod has a cross sectional area of 100 sqm. It is Elasticity modulus is 200 000 MPa.…
A:
Q: A cylindrical specimen of brass that has a diameter of 20 mm, a tensile modulus of 110 GPa, and a…
A:
Q: Piano strings are made of a fibre which is pulled taut. When the string is tapped in the centre by a…
A: Given, e = 0.2% σ = 100 MPa
Q: A solid steel rod has a circular cross-section with a length of 10m. The steel rod required to hold…
A: Given data, Length of rod = 10 m = 10000 mm Tensile force P = 300kN = 300000 N Change in length = 5…
Q: Your answer is incorrect. An extruded polymer beam is subjected to a bending moment M. The length of…
A:
Q: If a steel column with cross-sectional area A = 1000 mm2, modulus of elasticity E 200 MPa and length…
A:
Q: A cylindrical specimen of some metal alloy having an elastic modulus of 101 GPa and an original…
A:
Q: Bulk modulus of elasticity is the ratio of (a) Tensile stress to tensile strain (b) Compressive…
A: Bulk modulus of elasticity is the ratio of compressive stress to volumetric strain . Bulk…
Q: Toughness is the ability of material to sustain tensile stress. * False True
A:
Q: The material returns to its original shape when the load is removed. (A Elastic Limit B Elastic…
A: Given data in question Stress strain behavior To find out When will the material returns to its…
Step by step
Solved in 2 steps
- Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio 2: 5, then the ratio of modulus of elasticity of the two materials will be (a) 2:5 (c) 4 :3 (b) 5:2 (d) 3:4Stresses that cause change in volume are called (A) hydrostatic stresses (B) deviatoric stresses C) tensile stress D) bending stressThe stress in an elastic material is: A Inversely proportional to the force acting B Inversely proportional to the materials yield strength C Proportional to the displacement D Inversely proportional to the strain
- A cylindrical polymer with a diameter of 10nm when stress is applied to it and a change in diameter of 0.0025nm is equal. If you know that the polymer is completely elastic and the modulus of elasticity is 97Gps, what is the amount of elongation in the direction of the x-axisThe material returns to its original shape when the load is removed. (A Elastic Limit B Elastic Behavior Limit c) Maximum Limit D D Proportional LimitA specimen of steel has a rectangular cross section 20 mm wide and 40 mm thick, an elastic modulus of 207 GPa, and a Poisson's ratio of 0.30. If this specimen is pulled in tension with a force of 60,000 N, what is the change in width if deformation is totally elastic? O Increase in width of 3.62 x 10-6 m O Decrease in width of 7.24 x 10-6 m Increase in width of 7.24 x 106 m O Decrease in width of 2.18 x 10-6 m
- An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 740 mm. The cross-sectional dimensions of the beam are b1= 35 mm, d1= 101 mm, b2 = 21 mm, d2 21 mm, and a = 7 mm. For this material, the allowable tensile bending stress is 13 MPa, and the allowable compressive bending stress is 13 MPa. Determine the largest moment M that can be applied as shown to the beam. %3D b2 M. d2 di 14 L. b1 Answer: N-m M = %3DAn extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 900 mm. The cross- sectional dimensions of the beam are by = 37 mm, d1 = 88 mm, b2 = 22 mm, d2 = 22 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 18 MPa, and the allowable compressive bending stress is 14 MPa. Determine the largest moment M that can be applied as shown to the beam.An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 500 mm. The cross-sectional dimensions of the beam are b₁ = 38 mm, d₁ = 82 mm, b₂ = 23 mm, d₂ = 23 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 14 MPa, and the allowable compressive bending stress is 12 MPa. Determine the largest moment M that can be applied as shown to the beam. b₂ a M d₁ B L N-m | A Answer: M= d₂ b₁
- An extruded polymer beam is subjected to a bending moment M. The length of the beam is L= 620 mm. The cross-sectional dimensions of the beam are b = 37 mm, d1 = 80 mm, b2 = 22 mm, d2 = 22 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 12 MPa, and the allowable compressive bending stress is 11 MPa. Determine the largest moment M that can be applied as shown to the bearn. b, a M d2 d | 4 B b1 Answer: M = i N-mA bronze rod is rigidly attached between an aluminum rod and a steel rod as shown in the figure below. Axial loads are applied at the positions indicated. a) Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in bronze of 100 MPa, or in aluminum of 90 MPa. b) Determine the deformation of the bronze rod if the value of P is 22.50 KN. The moduli of elasticity are 200 GPa for steel, 80 GPa for bronze and 70 GPa for aluminum.An extruded polymer beam is subjected to a bending moment M. The length of the beam is L = 900 mm. The cross-sectional dimensions of the beam are b1 = 37 mm, d1 = 88 mm, b2 = 22 mm, d2 = 22 mm, and a = 7.5 mm. For this material, the allowable tensile bending stress is 18 MPa, and the allowable compressive bending stress is 14 MPa. Determine the largest moment M that can be applied as shown to the beam.