Chemical Engineering MCQs

6108 MCQs (Page 509 of 611)

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Two gas based fertiliser plants are located in India are_________________?

A. Maharashtra and gujarat
B. Maharashtra and orissa
C. Gujarat and madhya pradesh
D. Jharkhand and chhattisgarh

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Urea (a nitrogenous fertiliser) is produced from carbon dioxide and__________________?

A. Nitric acid
B. Ammonia
C. Ammonium nitrate
D. Nitric oxide

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Ammonium sulphate fertiliser is __________________?

A. The highest concentration nitrogenous fertiliser
B. The best fertiliser for paddy
C. A basic fertiliser
D. A neutral fertiliser

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Which of the following fertilisers is needed for promoting the development of leaves and stems during early stages of plant growth ?

A. Nitrogenous fertiliser
B. Potassic fertiliser
C. Phosphatic fertiliser
D. None of these

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Hydrogen content of coke oven gas is ______________ percent?

A. 4
B. 22
C. 58
D. 84

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Which of the following fertilizers is used as a cattle feed ?

A. Urea
B. Calcium ammonium nitrate
C. Superphosphate
D. Ammonium sulphate

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Which of the following does not come under the category of ‘secondary nutrient’ for plant growth ?

A. Calcium
B. Magnesium
C. Sulphur
D. Oxygen

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Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process ?

A. High pressure, low reactants concentration, high temperature
B. High pressure, low reactants concentration, low temperature
C. High pressure, high reactants concentration, low temperature
D. Low pressure, high reactants concentration, low temperature

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Steam reforming of naphtha is a source of hydrogen production for nitrogenous fertiliser industry. What is the usual ratio of steam to carbon maintained in the process of steam reforming of naphtha ?

A. 1.5 : 1
B. 3.5 : 1
C. 10 : 1
D. 15 : 1

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Catalyst used in desulphurisation of naphtha is____________________?

A. Co-mo
B. Pt-rh
C. Silica gel
D. Nickel

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