Fertiliser Technology problems
- 1. In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.
Options- A. Fauser-Monte Catini
- B. Claude
- C. Udhe
- D. Kellog Discuss
Correct Answer: Claude
- 2. Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
Options- A. 5
- B. 20
- C. 50
- D. 65 Discuss
Correct Answer: 20
- 3. Potassic fertilisers do not promote the development of
Options- A. stems & leaves during early stage of plant growth.
- B. starches of potatoes & grains.
- C. sugar of fruits & vegetables.
- D. fibrous materials of plants. Discuss
Correct Answer: stems & leaves during early stage of plant growth.
- 4. Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas?
Options- A. Water
- B. Naphtha
- C. Tar
- D. Coal/coke oven gas Discuss
Correct Answer: Tar
- 5. In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at
Options- A. low pressure.
- B. high pressure.
- C. very high temperature.
- D. atmospheric pressure; as the pressure has no effect on conversion. Discuss
Correct Answer: high pressure.
- 6. Reaction of anhydrous liquid ammonia with orthophosphoric acid produces
Options- A. ammonium phosphate
- B. superphosphate
- C. triple superphosphate
- D. none of these Discuss
Correct Answer: ammonium phosphate
- 7. The essential ingradient of all the synthesis gas is
Options- A. H2
- B. O2
- C. CO2
- D. N2 Discuss
Correct Answer: H2
- 8. Promoter used in NH3 synthesis catalyst is
Options- A. K2O
- B. SiO3
- C. V2O5
- D. U2O3 Discuss
Correct Answer: K2O
- 9. I argest capacity nitrogenous fertiliser plants (2700 tons of NH3 per day) (2 Nos) in India are located at
Options- A. Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat).
- B. Talchar (Orissa) and Ramagundam (A.P.) both under FCI.
- C. Korba (M.P.) and Talchar (Orissa) both under FCI.
- D. Haldia (W.B) and Namrup (Assam) both under HFC. Discuss
Correct Answer: Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat).
- 10. HPO3 is the chemical formula of __________ phosphoric acid.
Options- A. pyro
- B. ortho
- C. meta
- D. none of these Discuss
Correct Answer: meta
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