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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 mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous?

A Salt & coke

B Sand & coke

C And coke

D And sand

Review Detailed Answer

Correct Answer: Sand & coke

Urea is formed only____________________?

A In liquid phase

B In vapour phase

C At very high temperature

D At very low pressure (vacuum)

Review Detailed Answer

Correct Answer: In liquid phase

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?

A H2 separation from coke oven gas

B Steam reforming of naphtha

C Cracking of natural gas

D Electrolysis of water

Review Detailed Answer

Correct Answer: Electrolysis of water

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?

A Carbonate

B Phosphate

C Bicarbonate

D Silicate

Review Detailed Answer

Correct Answer: Carbonate

Montecatini process is used for the manufacture of____________________?

A Nitric acid

B Phosphoric acid

C Urea

D Calcium ammonium nitrate (CAN)

Review Detailed Answer

Correct Answer: Urea

Bio-fertilisers are cheaper, renewable and pollution free. They improve the _____________ of the soil?

A Nutrient supply

B Texture

C Water holding capacity

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

Lower temperature and large excess of ammonia in urea melt__________________?

A Increases biuret formation

B Decreases biuret formation

C Is undesirable

D Does not effect biuret formation

Review Detailed Answer

Correct Answer: Decreases biuret formation

Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of_________________?

A Phosphoric acid

B Superphosphate

C Phosphorous

D Triple superphosphate

Review Detailed Answer

Correct Answer: Phosphorous

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about ____________ percent?

A 60

B 30

C 95

D 100

Review Detailed Answer

Correct Answer: 60

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ____________ this is normally not done?

A Increased biuret formation

B High corrosion rate

C Increased cost of equipment

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A mixture of phosphate rock ______________ is heated in an electric furnace to produce phosphorous?

Urea is formed only____________________?

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis ?

Sodium tri poly phosphate (STPP) is manufactured by reaction of phosphoric acid with sodium___________________?

Montecatini process is used for the manufacture of____________________?

Bio-fertilisers are cheaper, renewable and pollution free. They improve the _____________ of the soil?

Lower temperature and large excess of ammonia in urea melt__________________?

Heating of coke, sand & phosphate rock in an electric furnace is done for the manufacture of_________________?

The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about ____________ percent?

Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ____________ this is normally not done?