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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 contains least amount of N2 ?

A Coke oven gas

B Blast furnace gas

C Producer gas

D Water gas (blue gas)

Review Detailed Answer

Correct Answer: Coke oven gas

Which of the following is not responsible for causing permanent hardness of water ?

A Ca(HCO3)2

B CaCl2

C MgCl2

D None of these

Review Detailed Answer

Correct Answer: Ca(HCO3)2

Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

A C

B CO

C CO2

D H2

Review Detailed Answer

Correct Answer: C

____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?

A Phosphates

B Chromates

C Sulphates

D Bi-carbonates

Review Detailed Answer

Correct Answer: Chromates

Fusion of bauxite and ________________ produces high alumina cement?

A Alum

B Limestone

C Coke

D Quartz

Review Detailed Answer

Correct Answer: Limestone

The basic constituent of vegetable oils is ___________________?

A Triglyceride

B Fatty acids

C Fatty alcohol

D Mono esters

Review Detailed Answer

Correct Answer: Triglyceride

In sulphate pulp manufacture, the pressure and temperature in the digestor is____________________?

A 10 atm., 800 °C

B 10 atm., 170-180°C

C 1 atm., 170 – 180°C

D 1 atm., 800°C

Review Detailed Answer

Correct Answer: 10 atm., 170-180°C

Glass is__________________?

A Mainly CaO

B Subjected to galvanising

C A super cooled liquid

D All A , B. and C.

Review Detailed Answer

Correct Answer: A super cooled liquid

Sulphur addition in soap is done to _____________________?

A Improve the soap texture

B Cure pimples & dandruff

C Fasten lather formation

D Increase its cleansing action

Review Detailed Answer

Correct Answer: Cure pimples & dandruff

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?

A Oxidation of Na+ ions

B Oxidation of Cl- ions

C Reduction of Na+ ions

D Reduction of Cl- ions

Review Detailed Answer

Correct Answer: Oxidation of Cl- ions

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following contains least amount of N2 ?

Which of the following is not responsible for causing permanent hardness of water ?

Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

____________ are used as corrosion inhibitor for iron & steel in aqueous solutions ?

Fusion of bauxite and ________________ produces high alumina cement?

The basic constituent of vegetable oils is ___________________?

In sulphate pulp manufacture, the pressure and temperature in the digestor is____________________?

Glass is__________________?

Sulphur addition in soap is done to _____________________?

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction ?