Materials and Construction Kel-F is a material, which is Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having elastomeric properties Having excellent chemical & high temperature resistance (upto 200°C) All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermosetting polymers are Extruded Injection moulded Cast molded None of these Extruded Injection moulded Cast molded None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin coating on metals is not done by Electro-deposition Powder metallurgy Spraying Hot dipping Electro-deposition Powder metallurgy Spraying Hot dipping ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Percentage elongation of a material is a measure of its Toughness Ductility Malleability Brittleness Toughness Ductility Malleability Brittleness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel Indicates that steel is not deoxidised properly Is in the form of free Si Decreases the blow holes formation tendency in castings None of these Indicates that steel is not deoxidised properly Is in the form of free Si Decreases the blow holes formation tendency in castings None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is having very high Susceptibility to changes in its properties by heat treatment Corrosion resistance Hardness Strength Susceptibility to changes in its properties by heat treatment Corrosion resistance Hardness Strength ANSWER DOWNLOAD EXAMIANS APP