A. 120°C and 300 atm
B. 190°C and 200 atm
C. 400°C and 550 atm
D. 200°C and 10 atm
Temperature and pressure in urea autoclave is_________________? Read More »
Fertilizer Technology A. Ammonium carbonate
B. Biuret
C. Carbon dioxide
D. Ammonium carbamate
_____________ is the undesirable by-product produced in the manufacture of urea ? Read More »
Fertilizer Technology A. Potassium sulphate
B. Potassium chloride
C. A mixture of NaCl + KCl
D. None of these
A Potassic fertiliser contains 50% K2O. It could be _________________? Read More »
Fertilizer Technology A. Low bulk density product
B. Biuret formation
C. Non-spherical prills
D. Substantially wet non-flowing and sticky product
A. Nitrogen
B. Phosphorous
C. Potassium
D. Calcium
Which nutrient in fertiliser makes the plant stems stronger and increases branching ? Read More »
Fertilizer Technology A. Presence of an inert atmosphere
B. Presence of a reducing atmosphere
C. Absence of air
D. Presence of an oxidising atmosphere
A. 3-4
B. 8-10
C. 15-17
D. 20-25
In natural gas, the C/H ratio (by weight) varies in the range of_________________? Read More »
Fertilizer Technology A. Superphosphate
B. Triple superphosphate
C. Calcium phosphate
D. Meta phosphoric acid
CaH4(PO4)2 is the chemical formula of ___________________? Read More »
Fertilizer Technology A. 2
B. 6
C. 13
D. 20
A. 200 atm, 1000°C
B. 450 atm, 200°C
C. 450 atm, 550°C
D. 450 atm, 1000°C
Temperature and pressure in ammonia converter is_________________? Read More »
Fertilizer Technology