Materials and Construction Presence of cobalt in steel improves its Cutting ability Corrosion resistance None of these Tensile strength Cutting ability Corrosion resistance None of these 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) Karbate Cast iron Monel Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Platinum & mercury Iron & mercury Iron & carbon None of these Platinum & mercury Iron & mercury Iron & carbon 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 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 Annealing Carburising Normalising Tempering Annealing Carburising Normalising Tempering ANSWER DOWNLOAD EXAMIANS APP