Materials and Construction Presence of silicon in steel Decreases the blow holes formation tendency in castings Is in the form of free Si Indicates that steel is not deoxidised properly None of these Decreases the blow holes formation tendency in castings Is in the form of free Si Indicates that steel is not deoxidised properly None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The crystal structure of most of the common metals is Hexagonal Orthorhombic Cubic None of these Hexagonal Orthorhombic Cubic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resistance of steel is increased by the addition of Molybdenum and tungsten Lead and vanadium Phosphorous and tungsten Nickel and chromium Molybdenum and tungsten Lead and vanadium Phosphorous and tungsten Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? Mild steel and stainless steel Copper, nickel and monel Cast iron, tin and aluminium High silicon iron, silicon rubber, Kel-F and teflon Mild steel and stainless steel Copper, nickel and monel Cast iron, tin and aluminium High silicon iron, silicon rubber, Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Phosphoric acid (95%) & sulphuric acid (95%) Acetic acid Hydrochloric acid (concentrated) Benzoic & boric acids Phosphoric acid (95%) & sulphuric acid (95%) Acetic acid Hydrochloric acid (concentrated) Benzoic & boric acids ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Malleability Electrical conductivity Tenacity & hardness Ductility Malleability Electrical conductivity Tenacity & hardness Ductility ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS