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Home⇒ Engineering⇒
Fertiliser technology
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ Two gas based fertiliser plants are located in Maharashtra and Gujarat [other wrong options] [Discuss in forum] ![]() ![]() Maharashtra and Orissa Gujarat and Madhya Pradesh Jharkhand and Chattisgarh |
Q2 ⇒ Base suspension fertiliser essentially contains 13% N2 and 43% P2O5 [other wrong options] [Discuss in forum] ![]() ![]() 43% N2 and 13% P2O5 43% N2 and 13% K2O 43% K2O and 43% P2O5 |
Q3 ⇒ Lower temperature and large excess of ammonia in urea melt decreases biuret formation [other wrong options] [Discuss in forum] ![]() ![]() increases biuret formation is undersirable does not effect biuret formation |
Q4 ⇒ Prilling tower is found in the flowsheet for the manufacture of urea [other wrong options] [Discuss in forum] ![]() ![]() ammonia superphosphate triple superphosphate |
Q5 ⇒ Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium carbonate [other wrong options] [Discuss in forum] ![]() ![]() phosphate bicarbonate silicate |
Q6 ⇒ Main component of bone ash is calcium phosphate [other wrong options] [Discuss in forum] ![]() ![]() calcium sulphate calcium carbonate sodium phosphate |
Q7 ⇒ HPO3 is the chemical formula of __________ phosphoric acid. meta [other wrong options] [Discuss in forum] ![]() ![]() pyro ortho none of these |
Q8 ⇒ Nitrogen content of urea is about __________ percent. 46 [other wrong options] [Discuss in forum] ![]() ![]() 10 80 94 |
Q9 ⇒ The fertiliser plant getting hydrogen by electrolysis of water is situated at Nangal [other wrong options] [Discuss in forum] ![]() ![]() Namrup Rourkela Korba |
Q10 ⇒ Which of the following gasifiers can be attached to coal based fertiliser plants ? Kopper-Totzek gasifier. [other wrong options] [Discuss in forum] ![]() ![]() Lurgi (high pressure) gasifier. Gasifier working at 20 atm. Gasifier working at 40 atm. |
Q11 ⇒ Temperature and pressure in ammonia converter is 450 atm, 550°C [other wrong options] [Discuss in forum] ![]() ![]() 200 atm, 1000°C 450 atm, 200°C 450 atm, 1000°C |
Q12 ⇒ __________ is the undesirable by-product produced in the manufacture of urea. Biuret [other wrong options] [Discuss in forum] ![]() ![]() Ammonium carbonate Carbon dioxide Ammonium carbamate |
Q13 ⇒ Rock phosphate used for the production of phosphatic fertiliser is mined at Amjhor (Jharkhand) [other wrong options] [Discuss in forum] ![]() ![]() Talchar (Orissa) Bailladella (M.P.) Kiriburu (Bihar) |
Q14 ⇒ Which of the following does not come under the category of'primary nutrient' for plant growth? Sulphur [other wrong options] [Discuss in forum] ![]() ![]() Potassium Nitrogen Phosphorous |
Q15 ⇒ Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 HNO3 & limestone [other wrong options] [Discuss in forum] ![]() ![]() CO2 & H2SO4 HNO3 & NH4Cl CO2 & KNO3 |
Q16 ⇒ Which of the following nitrogenous fertilisers has the highest percentage of nitrogen ? Urea [other wrong options] [Discuss in forum] ![]() ![]() Calcium nitrate Calcium ammonium nitrate (CAN) Ammonium sulphate |
Q17 ⇒ Reaction of nitric acid and sulphuric acid with phosphate rock produces nitrophosphate [other wrong options] [Discuss in forum] ![]() ![]() diammonium phosphate tricresyl phosphate tributyl phosphate |
Q18 ⇒ In an ammonia plant, the purge off is essential to maintain H2 : N2 ratio at 3 :1. [other wrong options] [Discuss in forum] ![]() ![]() maintain inert gas concentration within a limit. remove excess poisonous gases. remove uncondensed ammonia vapour. |
Q19 ⇒ P2O5 percentage in the phosphoric acid produced by wet process is about 30 [other wrong options] [Discuss in forum] ![]() ![]() 10 50 70 |
Q20 ⇒ Fauser Monte Catini converter is used for ammonia synthesis (e.g. at FCI Sindri). [other wrong options] [Discuss in forum] ![]() ![]() methanation of CO and CO2. shift conversion (i.e. CO to CO2). none of these. |
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