Fertiliser Technology __________ is the most suitable fertiliser for paddy. Urea Superphosphate Ammonium sulphate Potassium nitrate Urea Superphosphate Ammonium sulphate Potassium nitrate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Heating of orthophosphoric acid to 250°C produces Metaphosphoric acid Pyrophosphoric acid None of these No change in it Metaphosphoric acid Pyrophosphoric acid None of these No change in it ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? Natural gas cracking Cryogenic removal of H₂ from coke oven gas Electrolysis of water Steam reforming of naphtha Natural gas cracking Cryogenic removal of H₂ from coke oven gas Electrolysis of water Steam reforming of naphtha ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed. Claude Udhe Kellog Fauser-Monte Catini Claude Udhe Kellog Fauser-Monte Catini 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 Biuret formation Non-spherical prills Low bulk density product Substantially wet non-flowing and sticky product Biuret formation Non-spherical prills Low bulk density product Substantially wet non-flowing and sticky product 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 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 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 ANSWER DOWNLOAD EXAMIANS APP