Nitrogeneous fertiliser
Potassic fertiliser
Phosphatic fertiliser
None of these
✅ The correct answer is option A.
Fertilizer Technology MCQs
Ammonium nitrate (a fertiliser) is coated with limestone powder to
Increase its nitrogen content
Cut down its production cost
Avoid the risk of explosion
Add extra nutrient as fertiliser
✅ The correct answer is option C.
P₂O₅ content in triple superphosphate is about __________ percent.
42-50
15-20
85-90
70-75
✅ The correct answer is option A.
Nitrogen content of a nitrogenous fertiliser is 35%. It could be
Urea
Ammonium nitrate
Calcium ammonium nitrate (CAN)
Ammonium sulphate
✅ The correct answer is option B.
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
Low bulk density product
Biuret formation
Non-spherical prills
Substantially wet non-flowing and sticky product
✅ The correct answer is option B.
The optimum size of the ammonia plant is __________ tons/day.
10
100
1000
1000C
✅ The correct answer is option C.
Flushing liquor used for cooling coke oven gas constitutes of
Ammoniacal liquor
K₂CO₃ solution
Dilute H₂SO₄
Dilute HCl
✅ The correct answer is option A.
Which of the following does not come under the category of’primary nutrient’ for plant growth?
Potassium
Nitrogen
Phosphorous
Sulphur
✅ The correct answer is option D.
Temperature and pressure in ammonia converter is
200 atm, 1000°C
450 atm, 200°C
450 atm, 550°C
450 atm, 1000°C
✅ The correct answer is option C.
Reaction of orthophosphoric acid with soda ash produces
Sodium tripolyphosphate (STPP)
Tricresyl phosphate
Tributyl phosphate
Nitrophosphate
✅ The correct answer is option A.