Materials and Construction __________ is a donor impurity for semi-conductors. None of these Antimony Gallium Boron None of these Antimony Gallium Boron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following finds the least commercial use? High silicon iron Low carbon steel Pure iron High carbon steel High silicon iron Low carbon steel Pure iron High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of Lead lined steel Stainless steel Cast iron Rubber lined steel Lead lined steel Stainless steel Cast iron Rubber lined steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the lightest of engineering metals? Aluminium Tin Titanium Magnesium Aluminium Tin Titanium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Caustic soda can be stored in __________ drums. Cast iron Steel Brass Gun metal Cast iron Steel Brass Gun metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with PVC Lead or glass Fireclay bricks Karbate PVC Lead or glass Fireclay bricks Karbate ANSWER DOWNLOAD EXAMIANS APP