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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.

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?

A Photochemical smog

B Peroxyacetyl nitrate (PAN) or methyl nitrite

C Benzopyrene

D Polyacrylonitrile

Review Detailed Answer

Correct Answer: Peroxyacetyl nitrate (PAN) or methyl nitrite

Dissolved oxygen content in river water is around _____________ ppm?

A 5

B 100

C 250

D 500

Review Detailed Answer

Correct Answer: 5

Solid and liquid phases of a substance are in equilibrium at the____________________?

A Critical temperature

B Melting point

C Freezing point

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

For an isothermal reversible compression of an ideal gas_______________?

A Only ΔE = 0

B Only ΔH =0

C ΔE = ΔH = 0

D dQ = dE

Review Detailed Answer

Correct Answer: ΔE = ΔH = 0

The minimum number of phases that can exist in a system is________________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 1

Air-refrigeration cycle________________?

A Is the most efficient of all refrigeration cycles

B Has very low efficiency

C Requires relatively large quantities of air to achieve a significant amount of refrigeration

D Both B. and C

Review Detailed Answer

Correct Answer: Both B. and C

Which of the following is not an extensive property ?

A Free energy

B Entropy

C Refractive index

D None of these

Review Detailed Answer

Correct Answer: Refractive index

Refrigerants commonly used for domestic refrigerators are_________________?

A Ethyl chloride or methyl chloride

B Freon-12

C Propane

D NH3 or CO2

Review Detailed Answer

Correct Answer: Ethyl chloride or methyl chloride

While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is _______________?

A Infinity

B Unity

C Constant

D Negative

Review Detailed Answer

Correct Answer: Constant

Which one is true for a throttling process ?

A A gas may have more than one inversion temperatures

B The inversion temperature is different for different gases

C The inversion temperature is same for all gases

D The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

Review Detailed Answer

Correct Answer: The inversion temperature is different for different gases

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as________________?

Dissolved oxygen content in river water is around _____________ ppm?

Solid and liquid phases of a substance are in equilibrium at the____________________?

For an isothermal reversible compression of an ideal gas_______________?

The minimum number of phases that can exist in a system is________________?

Air-refrigeration cycle________________?

Which of the following is not an extensive property ?

Refrigerants commonly used for domestic refrigerators are_________________?

While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is _______________?

Which one is true for a throttling process ?