M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

Maximum nitrogen percentage is in________________?
A Ammonium sulphate
B Calcium ammonium nitrate
C Urea
D Liquid ammonia
Correct Answer: Liquid ammonia
An increase in the NH3/CO2 ratio in urea manufacture results in__________________?
A Increased degree of conversion of CO2 to urea
B Decreased degree of conversion of NH3 to urea
C Decreased yield of urea
D Decreased specific volume of molten mass
Correct Answer: Increased degree of conversion of CO2 to urea
Electric furnace method for production of phosphorous uses phosphate rock and _________________________?
A Phosphoric acid
B Coke
C Sulphuric acid
D Silica and coke
Correct Answer: Silica and coke
Urea is a better fertilizer than ammonium sulphate, because__________________?
A It is cheaper
B Nitrogen content is higher
C It is not poisonous
D It is easy to manufacture
Correct Answer: Nitrogen content is higher
Conditioners like finely divided peat are added to the fertiliser to________________?
A Counteract burning
B Avoid caking & hardening
C Produce bulk
D Increase its solubility
Correct Answer: Avoid caking & hardening
Which of the following is not a commercially used feed-stock for the production of ammonia synthesis gas ?
A Water
B Naphtha
C Tar
D Coal/coke oven gas
Correct Answer: Tar
Color of nitric acid is light yellow due to the presence of__________________?
A NO
B NO2
C N2H5
D NH3
Correct Answer: NO
Catalyst used in steam reforming of naphtha is__________________?
A Nickel
B Platinum
C Silica gel
D Rhodium
Correct Answer: Nickel
Steam reforming of naphtha produces ammonia synthesis gas. This is a/an ____________ process?
A Autocatalytic
B Endothermic
C Exothermic
D Non-catalytic
Correct Answer: Endothermic
Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?
A Comparatively higher pressure drop
B High cost of the high pressure vessel used for the reactor
C Higher pumping cost
D Chances of entrainment and disturbance of catalyst bed
Correct Answer: High cost of the high pressure vessel used for the reactor