Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Acidic refractory Lead or acid-proof bricks Karbate Rubber Acidic refractory Lead or acid-proof bricks Karbate Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18-4-1 high speed steel contains 18%, 4% and 1% respectively of Tungsten, vanadium and chromium Chromium, tungsten and vanadium Tungsten, chromium and vanadium Vanadium, chromium and tungsten Tungsten, vanadium and chromium Chromium, tungsten and vanadium Tungsten, chromium and vanadium Vanadium, chromium and tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pipes for bi-cycle frames are made of __________ steel. Chrome carbon Hot rolled Cold rolled Stainless Chrome carbon Hot rolled Cold rolled Stainless ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Is tempered at 850°C Do not have good resilience properties Do not require heat treatment for any of its applications Are used for leaf and coiled springs Is tempered at 850°C Do not have good resilience properties Do not require heat treatment for any of its applications Are used for leaf and coiled springs ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softening of hardned steel is done by its Normalising Annealing Carburising Tempering Normalising Annealing Carburising Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hydrochloric acid is stored in a __________ steel vessel. Glass lined Stainless Rubber lined Lead lined Glass lined Stainless Rubber lined Lead lined ANSWER DOWNLOAD EXAMIANS APP
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