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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

A fertiliser contains 82% N2. It could be_____________________?

A Urea

B Liquid NH3

C Ammonium nitrate

D None of these

Review Detailed Answer

Correct Answer: Liquid NH3

The composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?

A Excess liquid ammonia and liquefied CO2

B Excess liquid ammonia and compressed CO2 gas

C Liquid ammonia and excess compressed CO2

D Compressed ammonia gas and excess compressed CO2

Review Detailed Answer

Correct Answer: Excess liquid ammonia and compressed CO2 gas

Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?

A Reversible

B Catalytic

C Exothermic

D Endothermic

Review Detailed Answer

Correct Answer: Endothermic

Potassic fertiliser is graded based on its ______________ content?

A KCl

B K2O

C KNO3

D K2SO4

Review Detailed Answer

Correct Answer: K2O

Fertiliser produced during soda ash manufacture by dual process is ammonium______________________?

A Chloride

B Sulphate

C Nitrate

D None of these

Review Detailed Answer

Correct Answer: Chloride

Electric process as compared to wet process (for the manufacture of phosphoric acid) ?

A Can use only high grade phosphate rock

B Is used less frequently

C Produces a valuable by-product called gypsum

D Is weak acid process

Review Detailed Answer

Correct Answer: Is used less frequently

Rock phosphate constitutes mainly of___________________?

A Fluorapatite

B Di-calcium phosphate

C Mono-calcium phosphate

D Di-ammonium phosphate

Review Detailed Answer

Correct Answer: Fluorapatite

Iron is not used alone as a catalyst in ammonia synthesis, because___________________?

A Its activity declines rapidly, if heated to above 520°C

B It decomposes ammonia

C It gets oxidised above 500°C

D None of these

Review Detailed Answer

Correct Answer: Its activity declines rapidly, if heated to above 520°C

Phosphoric acid is produced in wet process from phosphate rock and____________________?

A Dilute H2SO4

B Concentrated H2SO4

C Concentrated NHO3

D Concentrated HCl

Review Detailed Answer

Correct Answer: Dilute H2SO4

The optimum size of the ammonia plant is ______________ tons/day?

A 10

B 100

C 1000

D 1000

Review Detailed Answer

Correct Answer: 10

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

A fertiliser contains 82% N2. It could be_____________________?

The composition of fresh feed to the high temperature, high pressure urea autoclave is______________________?

Dehydration of ammonium carbamate (to produce urea) is a/an _____________ reaction?

Potassic fertiliser is graded based on its ______________ content?

Fertiliser produced during soda ash manufacture by dual process is ammonium______________________?

Electric process as compared to wet process (for the manufacture of phosphoric acid) ?

Rock phosphate constitutes mainly of___________________?

Iron is not used alone as a catalyst in ammonia synthesis, because___________________?

Phosphoric acid is produced in wet process from phosphate rock and____________________?

The optimum size of the ammonia plant is ______________ tons/day?