Fertiliser Technology During conversion of ammonium carbamate into urea, presence of large excess of water Reduces the evaporator load by diluting the urea solution Does not affect the yield of urea Adversely affects the yield of urea Increases the yield of urea Reduces the evaporator load by diluting the urea solution Does not affect the yield of urea Adversely affects the yield of urea Increases the yield of urea ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Main constituent of phosphate rock is Ammonium phosphate Flour apatite Calcium fluoride Calcium phosphate Ammonium phosphate Flour apatite Calcium fluoride Calcium phosphate ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Catalyst used in ammonia synthesis uses __________ as a promoter. K₂O Ni Al2O₃ Pt K₂O Ni Al2O₃ Pt ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas? Naphtha Tar Water Coal/coke oven gas Naphtha Tar Water Coal/coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. Catalytic Reversible Exothermic Endothermic Catalytic Reversible Exothermic Endothermic ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of __________ this is normally not done. High corrosion rate Increased cost of equipment All of these Increased biuret formation High corrosion rate Increased cost of equipment All of these Increased biuret formation ANSWER DOWNLOAD EXAMIANS APP
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