Materials and Construction Aluminium as a material of construction suffers from the disadvantage of Very low strength to weight ratio Very high cost Scarce availability Rather low tensile strength Very low strength to weight ratio Very high cost Scarce availability Rather low tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ball bearings are normally made of __________ steel. High speed Chrome Silicon High carbon High speed Chrome Silicon High carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Photographic plates are coated with Calcium silicate Silver nitrate Silver halide Metallic silver Calcium silicate Silver nitrate Silver halide Metallic silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is High silicon iron All of these Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron All of these Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Neither A nor B Both A & B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Chromium Nickel Cobalt Tungsten Chromium Nickel Cobalt Tungsten ANSWER DOWNLOAD EXAMIANS APP
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