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 Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Monel Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Monel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following pairs of elements may form an alloy? Iron & mercury Platinum & mercury Iron & carbon None of these Iron & mercury Platinum & 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'. Corrosive Both A & B Abrasive Neither A nor B Corrosive Both A & B Abrasive Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softening of hardned steel is done by its Tempering Normalising Carburising Annealing Tempering Normalising Carburising Annealing ANSWER DOWNLOAD EXAMIANS APP