Fertiliser Production Technology Multiple Choice Test - Set 05 - ObjectiveBooks

Fertiliser Production Technology Multiple Choice Test - Set 05

Practice Test: Question Set - 05


1. Phosphatic fertilizer is graded based on its __________ content.
    (A) P2O3
    (B) PCl5
    (C) P2O5
    (D) H3PO4

2. Catalyst used in Haber's process for ammonia production is
    (A) Reduced iron oxide
    (B) Nickel
    (C) Vanadium pentoxide
    (D) Silica gel

3. Which of the following gasifiers can be attached to coal based fertilizer plants?
    (A) Lurgi (high pressure) gasifier
    (B) Kopper-Totzek gasifier
    (C) Gasifier working at 20 atm
    (D) Gasifier working at 40 atm

4. In the manufacture of urea, the intermediate chemical formed is
    (A) Biuret
    (B) Ammonium carbamate
    (C) Ammonium carbonate
    (D) None of these

5. Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.
    (A) 50-80
    (B) 250-400
    (C) 1000-1200
    (D) 800-900

6. Which fertilizer is made (using coke oven gas) in by products plant of an integrated steel plant?
    (A) Urea
    (B) CAN
    (C) Ammonium sulphate
    (D) Superphosphate

7. Reaction of __________ acid with phosphate rock produces superphosphates.
    (A) Hydrochloric
    (B) Sulphuric
    (C) Nitric
    (D) Phosphoric

8. Pick out the wrong statement.
    (A) 'Green acid' is the other name of phosphoric acid produced by the reaction of phosphate rock & sulphuric acid
    (B) Chemically unreactive nature of red phosphorous is due to its polymeric structure
    (C) Red phosphorous is the most reactive allotropic form of phosphorous
    (D) Red phosphorous, which is used in the manufacture of safety matches, is converted into white phosphorous by vaporization followed by condensation

9. HPO3 is the chemical formula of __________ phosphoric acid.
    (A) Pyro
    (B) Ortho
    (C) Meta
    (D) None of these

10. Catalyst used in the oxidation of ammonia is
    (A) Platinum-beryllium
    (B) Platinum-rhodium
    (C) Cobalt-molybdenum
    (D) Platinum-molybdenum

11. (CH3 C6 H4)3 PO4 is the chemical formula of
    (A) Triple superphosphate
    (B) Tricresyl phosphate
    (C) Fluorapatite
    (D) Superphosphate

12. Largest capacity nitrogenous fertilizer plants (2700 tons of NH3 per day) (2 Nos.) in India are located at
    (A) Thal-Vaishet (under RCF in Maharashtra) and Hazira (under IFFCO in Gujarat)
    (B) Talcher (Orissa) and Ramagundam (A.P.) both under FCI
    (C) Korba (M.P.) and Talcher (Orissa) both under FCI
    (D) Haldia (W.B) and Namrup (Assam) both under HFC

13. During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
    (A) 38
    (B) 68
    (C) 82
    (D) 98

14. H3PO4 is the chemical formula of __________ phosphoric acid.
    (A) Pyro
    (B) Ortho
    (C) Meta
    (D) None of these

15. Ammonia synthesis reaction is
    (A) Exothermic
    (B) Endothermic
    (C) Autocatalytic
    (D) None of these

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