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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.

Raw materials for urea production are _________________?

A CO2 and N2

B CO2, H2 and N2

C NH3 and CO

D HNO3 and CaCO3

Review Detailed Answer

Correct Answer: CO2, H2 and N2

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an ______________ reaction?

A Catalytic

B Exothermic

C Endothermic

D Reversible

Review Detailed Answer

Correct Answer: Exothermic

Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at ______________ °C?

A 250-300

B 500-750

C 950-1050

D 1400-1450

Review Detailed Answer

Correct Answer: 1400-1450

A phosphatic fertiliser contains 16% P2O5. It could be________________?

A Dicalcium phosphate

B Superphosphate

C Triple superphosphate

D None of these

Review Detailed Answer

Correct Answer: Superphosphate

Reaction of ortho-phosphoric acid with phosphate rock produces _________________?

A Superphosphate

B Triple superphosphate

C Meta-phosphoric acid

D Monoammonium phosphate

Review Detailed Answer

Correct Answer: Triple superphosphate

Biuret formation in urea is kept at minimum (< 1 %), because it is___________________?

A Corrosive in nature

B Toxic and harmful to some crops

C Helpful in decomposition of urea

D Explosive in nature

Review Detailed Answer

Correct Answer: Toxic and harmful to some crops

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?

A 10000

B 5

C 500

D 1000

Review Detailed Answer

Correct Answer: 5

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

A CO

B SO2

C NOx

D CFC (chloro fluoro carbons)

Review Detailed Answer

Correct Answer: CO

The term Biological Oxygen Demand (BOD) is used in relation to ______________________?

A Potable water

B Cooling water

C Distilled water

D Industrial effluents

Review Detailed Answer

Correct Answer: Industrial effluents

The upper layer of atmosphere is called the ____________________?

A Stratosphere

B Troposphere

C Ionosphere

D None of these

Review Detailed Answer

Correct Answer: Stratosphere

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Raw materials for urea production are _________________?

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an ______________ reaction?

Fusion zone in the electric furnace used for reduction of phosphate rock to elemental phosphorous is maintained at ______________ °C?

A phosphatic fertiliser contains 16% P2O5. It could be________________?

Reaction of ortho-phosphoric acid with phosphate rock produces _________________?

Biuret formation in urea is kept at minimum (< 1 %), because it is___________________?

For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than ______________ ppm?

Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

The term Biological Oxygen Demand (BOD) is used in relation to ______________________?

The upper layer of atmosphere is called the ____________________?