Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Ductility Electrical conductivity Tenacity & hardness Malleability Ductility Electrical conductivity Tenacity & hardness Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon percentage in medium carbon steel is around 0.8 to 1.4 1 to 1. 5 0.35 to 0.5 0.1 to 0.35 0.8 to 1.4 1 to 1. 5 0.35 to 0.5 0.1 to 0.35 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constituents of stellite are Nickel, cobalt and vanadium Zinc, copper and nickel Cobalt, chromium and tungsten Zinc, aluminium and nickel Nickel, cobalt and vanadium Zinc, copper and nickel Cobalt, chromium and tungsten Zinc, aluminium and nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Rusts None of these Is heated Melts Rusts None of these Is heated Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of Cast iron and aluminium PTFE and porcelain None of these Stainless steel and high silicon cast iron Cast iron and aluminium PTFE and porcelain None of these Stainless steel and high silicon cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Benzoic & boric acids Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Acetic acid Benzoic & boric acids Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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