Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is 18/8 stainless steel Mild steel High silicon iron (14% Si) Molybdenum stainless steel 18/8 stainless steel Mild steel High silicon iron (14% Si) Molybdenum stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Copper Wrought iron Aluminium Lead Copper Wrought iron Aluminium Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Corrosive Both A & B Neither A nor B Abrasive Corrosive Both A & B Neither A nor B Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When the steel is subjected to normalising, its __________ decreases. Yield point Ultimate tensile strength (UTS) None of these Ductility Yield point Ultimate tensile strength (UTS) None of these Ductility 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 Constantan Invar Alumel Chromel Constantan Invar Alumel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is German silver Tungsten Constantan Nichrome German silver Tungsten Constantan Nichrome ANSWER DOWNLOAD EXAMIANS APP
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