Fertiliser Technology Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. All of these High corrosion rate Increased cost of equipment Increased biuret formation All of these High corrosion rate Increased cost of equipment Increased biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed High cost of the high pressure vessel used for the reactor Higher pumping cost Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Steam reforming of naphtha is a source of hydrogen production for nitrogeneous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha? 0.62569444444444 3.5:1 0.41736111111111 1.5:1 0.62569444444444 3.5:1 0.41736111111111 1.5:1 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Hydrogen is recovered from coke oven gas on commercial scale (as practised in fertiliser plant at Rourkela) by None of these Absorption (using ethanolamine or pyragalloll solution) Cryogenic operations (low temperature cooling) Adsorption on palladium None of these Absorption (using ethanolamine or pyragalloll solution) Cryogenic operations (low temperature cooling) Adsorption on palladium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it Is in short supply Has a pungent smell Is toxic and highly corrosive Vaporises at normal temperature Is in short supply Has a pungent smell Is toxic and highly corrosive Vaporises at normal temperature ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Raw materials for nitric acid manufacture are Hydrogen peroxide, air and water Anhydrous ammonia, air and water Anhydrous ammonia and air Wet ammonia, air and water Hydrogen peroxide, air and water Anhydrous ammonia, air and water Anhydrous ammonia and air Wet ammonia, air and water ANSWER DOWNLOAD EXAMIANS APP
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