Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Acetic acid v Dilute HC₁ None of these Acetic acid v Dilute HC₁ None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aqueous nitric acid is stored in __________ vessel. Stainless steel Plain carbon steel Thermosetting plastic material Cast iron Stainless steel Plain carbon steel Thermosetting plastic material Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Perspex is nothing but Aluminium foil clad with bakelite An alloy of lead and tin An elastomer Acrylic sheet Aluminium foil clad with bakelite An alloy of lead and tin An elastomer Acrylic sheet ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concrete tank can be used to store Alum Ferrous sulphate Saturated brine Sulphuric acid Alum Ferrous sulphate Saturated brine Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of Zircalloy Concrete Steel Graphite Zircalloy Concrete Steel Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. 44021 3.5-4.5 44179 1.5-2 44021 3.5-4.5 44179 1.5-2 ANSWER DOWNLOAD EXAMIANS APP