Chemical Engineering MCQs

6108 MCQs  (Page 505 of 611)

Attempt Chemical Engineering Quiz
Ammonia synthesis reaction is______________________?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these
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Nitrogenous fertiliser is required__________________?
A. During the early stage of growth to promote development of stem and leaves
B. For accelerating fruit formation in later stage of growth
C. To lessen the effect of excessive potash application
D. None of these
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Commercial fertilisers are available mostly in the form of__________________?
A. Powder
B. Granules
C. Lumps
D. Flakes
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A fertiliser plant is classified as a gas based fertiliser plant, when it uses ______________ gas as a source of hydrogen for the manufacture of ammonia?
A. Coke oven
B. Producer
C. Natural
D. Coal
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Catalyst used in ammonia synthesis uses ____________ as a promoter?
A. Pt
B. K2o
C. Al2o3
D. Ni
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Which is the most suitable fertiliser for paddy ?
A. Can
B. Ammonium sulphate
C. Ammonium nitrate
D. Superphosphate
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Potassic fertilisers__________________?
A. Are useful during early stage of the plant growth
B. Stimulate early growth and accelerate seeding
C. Help in development of starches of potatoes and grain
D. None of these
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Maximum stability of white phosphorous is at__________________?
A. Very high pressure
B. Atmospheric pressure
C. Room temperature
D. > 600°c
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Promoter used in NH3 synthesis catalyst is__________________?
A. K2o
B. Sio3
C. V2o5
D. U2o3
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P2O5 content in superphosphate is about _____________ percent?
A. 30-35
B. 15-20
C. 65-70
D. 85-90
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Word of the Day
24 Jul
Untenable
(especially of a position or view) not able to be maintained or defended against attack or objection.
ناقابل مدافعت، غیر مستحکم، جو دلیل سے ثابت نہ ہو سکے

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