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