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