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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.

All Topics  9594

In ammonia synthesis (N2 + 3H2 = 2NH3), there is a decrease in total volume, hence to get high equilibrium conversion, the reaction should be carried out at________________?
A Low pressure
B High pressure
C Very high temperature
D Atmospheric pressure; as the pressure has no effect on conversion
Correct Answer: High pressure
Nitric acid is produced on commercial scale in a fertiliser plant by___________________?
A Oxidation of ammonia
B CaNO3 + H2SO4 reaction
C Passing air through high voltage electric arc
D None of these
Correct Answer: Oxidation of ammonia
With increases in pressure, the conversion of Ammonium carbamate into urea___________________?
A Increases
B Decreases
C Remains unaltered
D Can either increase or decrease depends on biuret content
Correct Answer: Increases
Nitrogen content of urea is about _____________ percent ?
A 10
B 46
C 80
D 94
Correct Answer: 46
Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?
A Urea
B Ammonium nitrate
C Calcium ammonium nitrate (CAN)
D Ammonium sulphate
Correct Answer: Ammonium nitrate
Plant tranquillisers___________________?
A Hold back stem growth and halt plants at a desired height
B Cause early maturation of plants
C Accelerate ripening of food and grain
D Produce seedless fruit
Correct Answer: Hold back stem growth and halt plants at a desired height
Raw materials for nitric acid manufacture are___________________?
A Hydrogen peroxide, air and water
B Anhydrous ammonia and air
C Anhydrous ammonia, air and water
D Wet ammonia, air and water
Correct Answer: Anhydrous ammonia, air and water
P2O5 content in triple superphosphate is about ______________ percent?
A 42-50
B 15-20
C 85-90
D 70-75
Correct Answer: 42-50
_____________ is not a fertiliser?
A Calcium ammonium nitrate
B Ferrous sulphate
C Liquid ammonia
D Ammonium sulphate
Correct Answer: Ferrous sulphate
Urea is represented as______________________?
A NH2.CO.NH2
B NH3CO.CH3
C NH.CO2.NH
D NH3.CO2.NH3
Correct Answer: NH2.CO.NH2
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