Materials and Construction Pure nickel is Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic above its curie point (i.e., 415°C) Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of Cast iron Rubber lined mild steel Lead lined mild steel Aluminium Cast iron Rubber lined mild steel Lead lined mild steel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The preferred material of construction for storage tanks for 98% sulphuric acid is Mild steel Stainless steel 316 Aluminium Lead Mild steel Stainless steel 316 Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications Is tempered at 850°C Do not have good resilience properties Are used for leaf and coiled springs Do not require heat treatment for any of its applications ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Neither A nor B Both A & B Ductility decreases Hardness & brittleness increases Neither A nor B Both A & B Ductility decreases Hardness & brittleness increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains None of these Martensite Sorbite Troostite None of these Martensite Sorbite Troostite ANSWER DOWNLOAD EXAMIANS APP
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