Materials and Construction Presence of silicon in steel Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly None of these Is in the form of free Si Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly None of these Is in the form of free Si ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Interchain forces are the weakest in case of Plastics Fibres Elastomers Both rubber & elastomers Plastics Fibres Elastomers Both rubber & elastomers ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling Dilute HNO₃ Dilute HCI Hydroflouric acid Dilute HNO₃ Dilute HNO₃ Dilute HCI Hydroflouric acid Dilute HNO₃ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molten phthalic anhydride is stored in a/an __________ vessel. Lead lined steel Glass lined steel Aluminium Nickel clad steel Lead lined steel Glass lined steel Aluminium Nickel clad steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Silicone rubber, teflon, procelain and wood Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Nickel, monel, stainless steel and graphite Silicone rubber, teflon, procelain and wood Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Nickel, monel, stainless steel and graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Creep resistance All of these Tensile strength Fatigue resistance Creep resistance All of these Tensile strength Fatigue resistance ANSWER DOWNLOAD EXAMIANS APP