49) The process of making cup shaped components from sheet metal blank is called
Answer is:
Deep drawing
Related ISRO Technician-B Fitter Question Paper - 2015 (Set - 1) with Answer Key
53) The property of a metal by virtue of which the metal can be bent or stretched without failure is
Answer is:
Ductility
Explanation:
Toughness: When a huge external force is applied on a metal, the metal will experience fracture. Toughness is the ability of a metal to resist fracture. The ability of a material to resist fracture due to high impact loads, is called toughness.
Hardness: Hardness is the ability of a metal to resist permanent change of shape caused by an external force.
Brittleness
Brittleness is a property of material which breaks with little or no deformation.
Ductility: Ductility is the property by which a metal can be drawn into thin wires. It is determined by percentage elongation and percentage reduction in area of a metal.
