Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C High-co-efficient of friction between journal and bearing Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Reduction in the grain size reduces the __________ of the material. Tensile strength All of these Fatigue resistance Creep resistance Tensile strength All of these Fatigue resistance Creep resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre Harden the surface Prevent the action of oxygen Prevent the action of water Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Endurance None of these Creep Fatigue Endurance None of these Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zircalloy used as a fuel cladding material in a nuclear reactor (thermal) is an alloy of zirconium And copper None of these And graphite Tin, nickel, iron and chromium And copper None of these And graphite Tin, nickel, iron and chromium ANSWER DOWNLOAD EXAMIANS APP
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