Materials and Construction Hydrochloric acid absorber in made of Mild steel Cast iron Stainless steel Karbate Mild steel Cast iron Stainless steel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For spinning viscose rayon, the extrusion spinnerettes are made of Nickel High carbon steel Aluminium Platinum or gold alloys Nickel High carbon steel Aluminium Platinum or gold alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin vessels are corroded by Aromatic solvents Synthetic detergent solution None of these Anhydrous ammonia Aromatic solvents Synthetic detergent solution None of these Anhydrous ammonia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The chlorinator used in the manufacture of DDT is made of Bakelite Glass lined steel Glass Teflon Bakelite Glass lined steel Glass Teflon 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)? Chromel Alumel Invar Constantan Chromel Alumel Invar Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP