Fertiliser Technology - Chemical Engineering Questions and Answers

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Coal based fertiliser plants at Ramagundam (Andhra Pradesh) and Talchar (Orissa)

Use coal for heating purpose

Gasify coal to get hydrogen from coal gas

Use coal as filler in fertiliser

Use coal as conditioner in fertiliser

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Temperature and pressure in urea autoclave is

120°C and 300 atm

190°C and 200 atm

400°C and 550 atm

200°C and 10 atm

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Pick out the wrong statement.

All the nitrogenous fertilisers are not soluble in water

A straight fertiliser contains only one nutrient

Calcium cynamide is used as weed killer in onion fields

The phosphorous nutrient makes the plant stem stronger and increases its branches

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Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is

Exothermic

Endothermic

Autocatalytic

None of these

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Reaction of cresylic acid with __________ produces tricresyl phosphate.

Phosphorous pentoxide

Phosphorous oxychloride

Ammonium phosphate

Calcium phosphate

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Catalyst used in steam reforming of naphtha is

Nickel

Platinum

Silica gel

Rhodium

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Catalyst used in steam reforming of naphtha is

Bauxite

Cobalt

Nickel oxide on alumina support

Chromium

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Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits?

Nitrogenous fertilisers

Phosphatic fertilisers

Potassic fertiliser

None of these

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Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at

Rourkela (under SAIL)

Bokaro (under SAIL)

Sindri (under FCI)

Baroda (under G.S.F.C.)