Materials and Construction The metals occuring at the lower most position in the electromotive series Do not resist corrosion Are very brittle Resist corrosion very strongly Are heat insulators Do not resist corrosion Are very brittle Resist corrosion very strongly Are heat insulators ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bog iron used for the adsorption of H?S from coke oven gas is Carbon free iron Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) None of these Carbon free iron Iron impregnated with resin (usually bakelite) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A material capable of undergoing large permanent deformation, when subjected to compression is termed as Brittle Ductile Malleable None of these Brittle Ductile Malleable None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for determining the tensile strength of steels. None of these Universal testing machine Mechanical press Hydraulic press None of these Universal testing machine Mechanical press Hydraulic press ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Arsenic Antimony Both B and C Bismuth Arsenic Antimony Both B and C Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Vycor, a widely used material for making 'thermal wells' in temperature measurement, is a Cermet Thermosetting plastic Glass Metallic alloy Cermet Thermosetting plastic Glass Metallic alloy ANSWER DOWNLOAD EXAMIANS APP