Fertiliser Technology Optimum reaction temperature in steam reforming of naphtha is __________ °C. 100-200 1500-1700 700 - 1000 300 - 450 100-200 1500-1700 700 - 1000 300 - 450 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 Substantially wet non-flowing and sticky product 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 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Nitrogen content of calcium ammonium nitrate (CAN) is __________ percent. 50 80 25 10 50 80 25 10 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology A potassic fertiliser contains 50% K₂O. It could be A mixture of NaCl+ KCl None of these Potassium sulphate Potassium chloride A mixture of NaCl+ KCl None of these Potassium sulphate Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology In the manufacture of orthophosphoric acid by strong H₂SO₄ leaching wet process, keeping the reactor temperature above 100°C, results in the formation of undesriable All of these Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid All of these Pyrophosphoric acid CaSO₄ .½H₂O and CaSO₄ crystals Metaphosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Phosphoric acid is produced in wet process from phosphate rock and Concentrated NHO₃ Concentrated HCl Dilute H₂SO₄ Concentrated H₂SO₄ Concentrated NHO₃ Concentrated HCl Dilute H₂SO₄ Concentrated H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP