Materials and Construction Presence of cobalt in steel improves its Tensile strength None of these Corrosion resistance Cutting ability Tensile strength None of these Corrosion resistance Cutting ability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Karbate Cast iron Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Cast iron Monel Aluminium or chromium alloys (Cr > 18% for cold acid) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Iron & carbon Platinum & mercury None of these Iron & mercury Iron & carbon Platinum & mercury None of these Iron & 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 Both A & B Abrasive Corrosive Neither A nor B Both A & B Abrasive Corrosive 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
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