Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite Aluminium, copper, high silicon iron Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood Nickel, monel, stainless steel and graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brine solution is stored/treated in __________ lined vessels/pipes. Glass Nickel Rubber Lead Glass Nickel Rubber Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ does not contain copper as an alloying element, Monel metal Nichrome Manganin Perminivar Monel metal Nichrome Manganin Perminivar 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%)? Generators and small motors Induction motors High frequency transformers Armature of small motors/generators Generators and small motors Induction motors High frequency transformers Armature of small motors/generators ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Annealing Cold working Shot blasting Heating Annealing Cold working Shot blasting Heating ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 70 80 90 50 70 80 90 50 ANSWER DOWNLOAD EXAMIANS APP