Materials and Construction Presence of cobalt in steel improves its None of these Corrosion resistance Cutting ability Tensile strength None of these Corrosion resistance Cutting ability Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Karbate Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Iron & mercury Iron & carbon None of these Platinum & mercury Iron & mercury Iron & carbon None of these Platinum & mercury ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Neither A nor B Corrosive Abrasive Both A & B Neither A nor B Corrosive Abrasive Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softening of hardned steel is done by its Carburising Normalising Tempering Annealing Carburising Normalising Tempering Annealing ANSWER DOWNLOAD EXAMIANS APP