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 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 Low bulk density product Biuret formation ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits? Phosphatic fertilisers None of these Potassic fertiliser Nitrogenous fertilisers Phosphatic fertilisers None of these Potassic fertiliser Nitrogenous fertilisers ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Urea is formed only At very low pressure (vacuum) In liquid phase At very high temperature In vapour phase At very low pressure (vacuum) In liquid phase At very high temperature In vapour phase ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils? Calcium cyanamide Ammonium sulphate CAN Urea Calcium cyanamide Ammonium sulphate CAN Urea 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 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 Lower temperature and large excess of ammonia in urea melt Decreases biuret formation Is undersirable Increases biuret formation Does not effect biuret formation Decreases biuret formation Is undersirable Increases biuret formation Does not effect biuret formation ANSWER DOWNLOAD EXAMIANS APP
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