Fertilizer Technology Question Paper MCQ - Set 10 - ObjectiveBooks

Fertilizer Technology Question Paper MCQ - Set 10

Practice Test: Question Set - 10


1. Fertilizer plant getting its hydrogen requirement partly from coke oven gas is (in India) situated at
    (A) Rourkela (under SAIL)
    (B) Barauni (under HFC)
    (C) Nangal (under NFL)
    (D) Talcher (under FCI)

2. Which is a catalyst promoter used in catalytic ammonia synthesis reaction?
    (A) Al2O3
    (B) Cr2O3
    (C) K2O
    (D) MnO

3. Heating of ortho-phosphoric acid to about 900°C, produces
    (A) Meta-phosphoric acid
    (B) Pyrophosphoric acid
    (C) No change in it
    (D) None of these

4. Montecatini process is a widely used process for the manufacture of
    (A) Urea
    (B) Calcium ammonium nitrate
    (C) Triple superphosphate
    (D) None of these

5. Prilling tower is found in the flowsheet for the manufacture of
    (A) Ammonia
    (B) Urea
    (C) Superphosphate
    (D) Triple superphosphate

6. NPK fertilizer is a __________ fertilizer.
    (A) Complex
    (B) Mixed
    (C) Nitrogenous
    (D) Phosphatic

7. Which of the following fertilizers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?
    (A) Nitrogenous fertilizers
    (B) Phosphatic fertilizers
    (C) Potassic fertilizer
    (D) None of these

8. Red phosphorous is changed into white phosphorous by
    (A) Heating in presence of light
    (B) Melting under pressure
    (C) Vaporization followed by condensation
    (D) None of these

9. Both white phosphorous as well as red phosphorous
    (A) Are soluble in CS2
    (B) Burns when heated in air
    (C) Reacts with hot caustic soda solution to give Phosphine
    (D) All (a), (b), and (c)

10. Reaction of nitric acid and sulphuric acid with phosphate rock produces
    (A) Nitrophosphate
    (B) Diammonium phosphate
    (C) Tricresyl phosphate
    (D) Tributyl phosphate

11. Urea is a __________ fertilizer.
    (A) Nitrogenous
    (B) Potassic
    (C) Phosphatic
    (D) None of these

12. Phosphatic fertilizers
    (A) Are useful during early stage of the plant growth
    (B) Accelerate fruit formation in later stages of growth
    (C) Lessen the effect of excessive nitrogen application
    (D) None of these

13. Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
    (A) Exothermic
    (B) Endothermic
    (C) Autocatalytic
    (D) Catalytic

14. Reaction of ortho-phosphoric acid with soda ash produces
    (A) Sodium Tributyl phosphate (STPP)
    (B) Tricresyl phosphate
    (C) Tributyl phosphate
    (D) Nitrophosphate

15. Nitrogen content in ammonium sulphate (a fertiliser) is around __________ percent.
    (A) 5
    (B) 20
    (C) 50
    (D) 65

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