Materials and Construction Electronic structure of a material is generally studied by Spectroscopic techniques X-ray Metallurgical microscope Electron diffraction Spectroscopic techniques X-ray Metallurgical microscope Electron diffraction ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ of a material results, when its strength is increased & ductility is decreased by heating at a relatively lower temperature after cold working. Strain ageing Screw dislocation Solid solution hardening Twinning Strain ageing Screw dislocation Solid solution hardening Twinning ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Area under stress-strain diagram Yield strength Ultimate strength Percentage elongation Area under stress-strain diagram Yield strength Ultimate strength Percentage elongation ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Are very brittle Resist corrosion very strongly Do not resist corrosion Are heat insulators Are very brittle Resist corrosion very strongly Do not resist corrosion Are heat insulators ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties All of these Having excellent chemical & high temperature resistance (upto 200°C) Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties All of these Having excellent chemical & high temperature resistance (upto 200°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Kel-F and teflon Monel Graphite Stainless steel Kel-F and teflon Monel Graphite Stainless steel ANSWER DOWNLOAD EXAMIANS APP