Chemical Engineering MCQs

6108 MCQs  (Page 515 of 611)

Attempt Chemical Engineering Quiz
Which of the following nitrogenous fertilisers has the highest percentage of nitrogen ?
A. Calcium nitrate
B. Calcium ammonium nitrate (can)
C. Urea
D. Ammonium sulphate
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In _____________ converter for ammonia synthesis, the catalyst is arranged in the form of a single continuous bed?
A. Fauser-montecatini
B. Claude
C. Uhde
D. Kellogg
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Vetrocoke solution is_________________?
A. A mixture of k2co3 and as2o3
B. K2so4
C. A mixture of na2co3 and as2o3
D. Na2so4
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Ammonia synthesis gas is produced from fuel oil by _________________?
A. Steam reforming
B. Hydro-cracking
C. Partial oxidation
D. Hydrogenation
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Reaction of calcium Fluorapatite with sulphuric acid produces ___________________?
A. Ortho-phosphoric acid
B. Simple superphosphate
C. Triple superphosphate
D. Red phosphorous
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Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?
A. Isopropyl alcohol
B. Butyl alcohol
C. Toluene
D. Hexane
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Main component of bone ash is _________________?
A. Calcium sulphate
B. Calcium phosphate
C. Calcium carbonate
D. Sodium phosphate
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Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?
A. Increase its nitrogen content
B. Cut down its production cost
C. Avoid the risk of explosion
D. Add extra nutrient as fertiliser
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Heating of ortho-phosphoric acid to about 900°C, produces_________________?
A. Meta-phosphoric acid
B. Pyrophosphoric acid
C. No change in it
D. None of these
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Prilling tower is found in the flowsheet for the manufacture of__________________?
A. Ammonia
B. Urea
C. Superphosphate
D. Triple superphosphate
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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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