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 Non-spherical prills Biuret formation Substantially wet non-flowing and sticky product Low bulk density product Non-spherical prills Biuret formation Substantially wet non-flowing and sticky product Low bulk density product ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology C/H ratio (by weight) of naphtha used in nitrogenous fertiliser making is about 20 2 6 13 20 2 6 13 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in the oxidation of ammonia is Platinum-rhodium Cobalt-molybdenum Platinum-beryllium Platinum-molybdenum Platinum-rhodium Cobalt-molybdenum Platinum-beryllium Platinum-molybdenum ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Reaction of orthophosphoric acid with phosphate rock produces Superphosphate Monoammonium phosphate Triple superphosphate Metaphosphoric acid Superphosphate Monoammonium phosphate Triple superphosphate Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology During conversion of ammonium carbamate into urea, presence of large excess of water Increases the yield of urea Adversely affects the yield of urea Does not affect the yield of urea Reduces the evaporator load by diluting the urea solution Increases the yield of urea Adversely affects the yield of urea Does not affect the yield of urea Reduces the evaporator load by diluting the urea solution ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Optimum reaction temperature in steam reforming of naphtha is __________ °C. 300 - 450 100-200 700 - 1000 1500-1700 300 - 450 100-200 700 - 1000 1500-1700 ANSWER DOWNLOAD EXAMIANS APP