Fertiliser Technology Which of the following fertilisers is used as a cattle feed? Superphosphate Ammonium sulphate Calcium ammonium nitrate Urea Superphosphate Ammonium sulphate Calcium ammonium nitrate Urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Ammonia synthesis reaction is Endothermic Autocatalytic None of these Exothermic Endothermic Autocatalytic None of these Exothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in steam reforming of naphtha is Platinum Silica gel Nickel Rhodium Platinum Silica gel Nickel Rhodium ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following gasifiers can be attached to coal based fertiliser plants? Lurgi (high pressure) gasifier Kopper-Totzek gasifier Gasifier working at 20 atm Gasifier working at 40 atm Lurgi (high pressure) gasifier Kopper-Totzek gasifier Gasifier working at 20 atm Gasifier working at 40 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low None of these Very high pressure is required resulting in costly pressure vessel Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In an ammonia plant, the purge off is essential to Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit Remove excess poisonous gases Remove uncondensed ammonia vapour Maintain H₂ : N₂ ratio at 3 :1 Maintain inert gas concentration within a limit Remove excess poisonous gases Remove uncondensed ammonia vapour ANSWER DOWNLOAD EXAMIANS APP
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