Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Silicone rubber High silicon iron, Kel-F and teflon Stainless steel Tin and wood Silicone rubber High silicon iron, Kel-F and teflon Stainless steel Tin and wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Hydrated ferric oxide Ferrous oxide Ferric sulphide Powdered iron Hydrated ferric oxide Ferrous oxide Ferric sulphide Powdered iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 2.2 2.8 2.5 0.5 2.2 2.8 2.5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon tetrachloride can be stored in a storage vessel made of Tin Stainless steel High silicon iron (14% Si) All of these Tin Stainless steel High silicon iron (14% Si) All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes Its casting unsound Its hard and machinable Its brittle and malleable All of these Its casting unsound Its hard and machinable Its brittle and malleable All of these 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 Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Nickel, monel, stainless steel and graphite Silicone rubber, teflon, procelain and wood Brass, cast iron, mild steel and tin Aluminium, copper, high silicon iron Nickel, monel, stainless steel and graphite ANSWER DOWNLOAD EXAMIANS APP