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