Materials and Construction Carbon percentage in medium carbon steel is around 0.8 to 1.4 1 to 1. 5 0.1 to 0.35 0.35 to 0.5 0.8 to 1.4 1 to 1. 5 0.1 to 0.35 0.35 to 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre Harden the surface ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Can not be work hardened Can not be scratched by finger nails Is the hardest metal in common use Is the lightest metal in common use Can not be work hardened Can not be scratched by finger nails Is the hardest metal in common use Is the lightest metal in common use ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The crystal structure of most of the common metals is Orthorhombic Hexagonal None of these Cubic Orthorhombic Hexagonal None of these Cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead lined equipments & vessels are suitable for handling Nitric acid Hydrochloric acid (10%) All of these Sulphuric acid upto 60°C Nitric acid Hydrochloric acid (10%) All of these Sulphuric acid upto 60°C ANSWER DOWNLOAD EXAMIANS APP
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