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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 if present in iron ore, enhances its value ?

A Alumina

B Alkali oxide

C Lime & Magnesia

D None of these

Review Detailed Answer

Correct Answer: Lime & Magnesia

Out of the following the refractive index is the highest for____________________?

A Glass

B Diamond

C Brine

D Kerosene

Review Detailed Answer

Correct Answer: Diamond

In a good rimming steel_________________________?

A Carbon and silicon should be low

B Silicon should be low but carbon should be high

C Both silicon & carbon should be high

D Silicon should be high but carbon should be low

Review Detailed Answer

Correct Answer: Carbon and silicon should be low

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that_________________?

A Pure oxygen has been used for combustion

B Nitrogen percentage in the fuel is very high

C Excess air has been used for combustion

D Hydrogen is not present in the fuel

Review Detailed Answer

Correct Answer: Excess air has been used for combustion

_________________ furnace is generally used in the non-ferrous foundries ?

A Direct arc

B Indirect arc

C Resistance

D Induction

Review Detailed Answer

Correct Answer: Indirect arc

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their__________________?

A Equivalent weight

B (Equivalent weight)2

C Molecular weight

D (Molecular weight)2

Review Detailed Answer

Correct Answer: Equivalent weight

Most of the phosphorous present in the blast furnace burden enters into___________________?

A Hot metal

B Flue gases

C Slag

D Refractory lining

Review Detailed Answer

Correct Answer: Hot metal

Density in the solid state is slightly less than that in its liquid state, in case of____________________?

A Carbon dioxide

B Water

C Mercury

D None of these

Review Detailed Answer

Correct Answer: Water

Starting friction is low in case of the ____________________ lubrication?

A Boundary

B Hydrodynamic

C Hydrostatic

D Mixed/semi-fluid

Review Detailed Answer

Correct Answer: Hydrostatic

Large scale fire on fuel gas line is normally extinguished by________________?

A Water

B Steam

C Foam

D Nitrogen

Review Detailed Answer

Correct Answer: Nitrogen

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following if present in iron ore, enhances its value ?

Out of the following the refractive index is the highest for____________________?

In a good rimming steel_________________________?

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that_________________?

_________________ furnace is generally used in the non-ferrous foundries ?

The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their__________________?

Most of the phosphorous present in the blast furnace burden enters into___________________?

Density in the solid state is slightly less than that in its liquid state, in case of____________________?

Starting friction is low in case of the ____________________ lubrication?

Large scale fire on fuel gas line is normally extinguished by________________?