Fertiliser Technology Which of the following gasifiers can be attached to coal based fertiliser plants? Lurgi (high pressure) gasifier Gasifier working at 20 atm Kopper-Totzek gasifier Gasifier working at 40 atm Lurgi (high pressure) gasifier Gasifier working at 20 atm Kopper-Totzek gasifier Gasifier working at 40 atm ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate which contains about 46% P₂O₅ is produced by the reaction of phosphate rock with ortho phosphoric acid of____percent concentration. 52-54 > 98 25-28 75-80 52-54 > 98 25-28 75-80 ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Chemical formula of metaphosphoric acid is H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ H₃PO₄ HPO₃ Same as that of pyrophosphoric acid H₄P₂O₇ ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology The main constituent of rock phosphate is Fluorspar Mono-calcium phosphate Di-calcium phosphate None of these Fluorspar Mono-calcium phosphate Di-calcium phosphate None of these ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Triple superphosphate is made by reacting phosphate rock with __________ acid. Hydrochloric Sulphuric Phosphoric Nitric Hydrochloric Sulphuric Phosphoric Nitric ANSWER DOWNLOAD EXAMIANS APP
Fertiliser Technology Though kinetics of ammonia synthesis dictates the use of low temperature for high equilibrium conversion, yet it is kept moderately high (550°C), because at low temperature Very high pressure is required resulting in costly pressure vessel None of these Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low Very high pressure is required resulting in costly pressure vessel None of these Space velocity of gas is very low resulting in decreased conversion Rate of reaction is very low ANSWER DOWNLOAD EXAMIANS APP
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