Materials and Construction Steel balls for ball bearings are generally made of __________ steel. Carbon chrome Cast Free carbon Stainless Carbon chrome Cast Free carbon Stainless ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Abrasive Neither A nor B Both A & B Corrosive Abrasive Neither A nor B Both A & B Corrosive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Silver Calcium Aluminium Iron Silver Calcium Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel storage vessels are suitable for the storage of Hydrochloric acid (95%) Anhydrous ammonia Fatty acids Sulphuric acid (25%) Hydrochloric acid (95%) Anhydrous ammonia Fatty acids Sulphuric acid (25%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most of the common metals have __________ crystal structure. None of these Hexagonal Cubic Orthorhombic None of these Hexagonal Cubic Orthorhombic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Carborundum Calcite Corrundum Topax Carborundum Calcite Corrundum Topax ANSWER DOWNLOAD EXAMIANS APP