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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.

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.

Which of the following is not a measure component necessarily to be present in fertilisers ?

A Nitrogen

B Potassium

C Phosphorous

D Sulphur

Review Detailed Answer

Correct Answer: Sulphur

Fertiliser plants get their N2 requirements _____________________?

A By fractionation of liquefied air

B By dissociating oxides of nitrogen

C From coal gas (coke oven gas)

D From producer gas

Review Detailed Answer

Correct Answer: By fractionation of liquefied air

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

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?

Which of the following is not a measure component necessarily to be present in fertilisers ?

Fertiliser plants get their N2 requirements _____________________?