Fertiliser Technology Multistage operation (as in the case of catalytic oxidation of SO₂) is not carried out for NH₃ synthesis, because of Chances of entrainment and disturbance of catalyst bed Higher pumping cost High cost of the high pressure vessel used for the reactor Comparatively higher pressure drop Chances of entrainment and disturbance of catalyst bed Higher pumping cost High cost of the high pressure vessel used for the reactor Comparatively higher pressure drop ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology P₂O₅ content in superphosphate is about __________ percent. 30-35 15-20 65-70 85-90 30-35 15-20 65-70 85-90 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in Low bulk density product Biuret formation Substantially wet non-flowing and sticky product Non-spherical prills Low bulk density product Biuret formation Substantially wet non-flowing and sticky product Non-spherical prills ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Naphtha in a fertiliser plant is used as a source of Fuel O₂ H₂ N₂ Fuel O₂ H₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Water Tar Naphtha Coal/coke oven gas Water Tar Naphtha Coal/coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Conversion achieved in HNO₃ synthesis with the use of platinum catalyst is about 95-97%. The rate of formation of nitrogen dioxide from the oxidation of nitric acid is favoured by Increasing the temperature Decreasing the temperature Decreasing the pressure None of these Increasing the temperature Decreasing the temperature Decreasing the pressure None of these ANSWER DOWNLOAD EXAMIANS APP
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