Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Stainless steel Graphite Monel Kel-F and teflon Stainless steel Graphite Monel Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in the carbon percentage in the steel, its Tensile strength increases All of these Ductility reduces Hardness increases Tensile strength increases All of these Ductility reduces Hardness increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Biological shield in a nuclear power reactor is made of Steel Concrete Cadmium Zircalloy Steel Concrete Cadmium Zircalloy ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Bakelite Glass lined steel Teflon Glass Bakelite Glass lined steel Teflon Glass ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? Armature of small motors/generators Induction motors Generators and small motors High frequency transformers Armature of small motors/generators Induction motors Generators and small motors High frequency transformers ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Tin and wood Silicone rubber Stainless steel High silicon iron, Kel-F and teflon Tin and wood Silicone rubber Stainless steel High silicon iron, Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP