Materials and Construction 'Semi steel' is Both A & B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B Both A & B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel rods are used in reinforced concrete to increase its __________ strength. Compressive Shear None of these Tensile Compressive Shear None of these Tensile ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The maximum percentage of chromium that can be added to steel is about 12 18 30 24 12 18 30 24 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Invar Chromel Alumel Constantan Invar Chromel Alumel Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Valves in pipe size of 2" and under are normally made of Brass Wrought iron Bronze Monel Brass Wrought iron Bronze Monel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Rubber Lead or acid-proof bricks Acidic refractory Karbate Rubber Lead or acid-proof bricks Acidic refractory ANSWER DOWNLOAD EXAMIANS APP