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Fertiliser Technology

Fertiliser Technology
In natural gas, the C/H ratio (by weight) varies in the range of

15-17
43894
20-25
44053

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Fertiliser Technology
Urea is a better fertilizer than ammonium sulphate, because

It is cheaper
Nitrogen content is higher
It is not poisonous
It is easy to manufacture

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Fertiliser Technology
Which of the following gasifiers can be attached to coal based fertiliser plants?

Gasifier working at 40 atm
Kopper-Totzek gasifier
Lurgi (high pressure) gasifier
Gasifier working at 20 atm

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Fertiliser Technology
Prilling of urea should be accomplished (in a sprayer) just above the melting point of urea with minimum of retention time, otherwise it will result in

Low bulk density product
Substantially wet non-flowing and sticky product
Biuret formation
Non-spherical prills

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Fertiliser Technology
Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

Barauni (under HFC)
Rourkela (under SAIL)
Nangal (under NFL)
Talchar (under FCI)

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Fertiliser Technology
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process.

Non-catalytic
Autocatalytic
Endothermic
Exothermic

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