In Aluminium metal, increasing and decreasing temperature change the fracture from brittle to ductile. * True False Copper reacts with oxygen, even at room temperature True False Strength-to-weight ratio of Copper as compared to Aluminium is High Medium Low

Q: napes O Welding of solid state O Arc welding O Welding of solid/liquid state

A: Answer- arc welding

Q: Considering a finite cylinder of single crystal aluminum with a diameter (D) that has an axial unit…

A: The values provided are as follows:- A finite cylinder of single crystal aluminium with a diameter…

Q: Increase the carbon content in steel results less in_ a. Life b. Ductility c. Strength O d. Cost

A:

Q: A metallic rod of diameter do is subjected to the tensile test. The engineering stress and the true…

A:

Q: If steel with a 228 MPa yield strength is used for a cold-formed shape,what would be the approximate…

A: The given data is: Yield strength=228 MPa

Q: A single crystal of BCC iron is subjected to tensile stress of 100 MPa along the [001] direction.…

A:

Q: Which one is a linear defect in the crystalline materials? (A) external surfaces B vacancies ©…

A: We have to determine that the which one option is a linear defect in the crystalline material.

Q: 4- A structural alloy has a rupture strength of 238N/mm?. Cold deformation amount is 34% after…

A:

Q: Match the defects to their labels in the Crystal Structure below A B C D E• -Grain Boundary…

A: Given crystal structure:

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 intensity of stress which causes unit strain is called O(A) Unit mass O(B) Modulus of rigidity…

A: Stress is defined as the ratio of force upon cross sectional area . Strain is defined as the ratio…

Q: 3- In typical stress- strain curve, a region in which the specimen's ability to withstand stress…

A: Stress-strain curve rapidly deformation increases Undrained test

Q: Increased temperature in many ceramics up to around 1000 °C leads to a decrease in thermal…

A: The usage of thermal conductive ceramics has increased along with technology because they have many…

Q: 1. The most important mechanical properties of brittle materials is

A: The most important mechanical property of brittle material is compressive strength. The compressive…

Q: 14) Indi a) Copper and its alloys do not fail due to cycling loading if the applied stress amplitude…

A: Alloys of copper and aluminium fail under cyclic loading even for smaller stresses. Therefore the…

Q: In the bulk modulus of Brass is 110 GPa and its Poisson's ratio is 0.30, then the elastic modulus

A: Given data: Bulk modulus(k)=110 GPa poisson's ratio=0.3