Chemical Engineering - Fertiliser Technology

11. 

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?

A. H2 separation from coke oven gas
B. Steam reforming of naphtha
C. Cracking of natural gas
D. Electrolysis of water

Answer: Option D

Explanation:

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12. 

In __________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed.

A. Fauser-Monte Catini
B. Claude
C. Udhe
D. Kellog

Answer: Option B

Explanation:

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13. 

The essential ingradient of all the synthesis gas is

A. H2
B. O2
C. CO2
D. N2

Answer: Option A

Explanation:

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14. 

Sodium tri poly phosphate (STPP) is chemically represented as

A. Na5P3O10
B. Na4P3O8
C. Na3P4O6
D. Na2PO4

Answer: Option A

Explanation:

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15. 

A fertiliser contains 82% N2. It could be

A. urea
B. liquid NH3
C. ammonium nitrate
D. none of these

Answer: Option B

Explanation:

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