Materials and Construction __________ is used for examining the macro-structure of a material. Metallurgical microscope X-rays Optical microscope Visual inspection by naked eye Metallurgical microscope X-rays Optical microscope Visual inspection by naked eye 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. Twinning Screw dislocation Strain ageing Solid solution hardening Twinning Screw dislocation Strain ageing Solid solution hardening ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Tensile strength Fatigue resistance Creep resistance All of these Tensile strength Fatigue resistance Creep resistance All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium storage vessel can be used to store Ferrous sulphate Hydrochloric acid (10%) Aqua regia None of these Ferrous sulphate Hydrochloric acid (10%) Aqua regia None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties ANSWER DOWNLOAD EXAMIANS APP