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.

Ordinary water is not used as a moderator because, it___________________?

A Has a low absorption cross-section

B Has a low scattering cross-section

C Absorbs neutrons

D Does not absorb neutrons

Review Detailed Answer

Correct Answer: Absorbs neutrons

First experimental observation of nuclear fission was done by ____________________?

A Plane

B Rutherford

C Fermi

D Hahn and Strassmann

Review Detailed Answer

Correct Answer: Fermi

The phenomenon of radioactivity was discovered by___________________?

A Madam Curie

B Becquerel

C Roentgen

D J.J. Thomson

Review Detailed Answer

Correct Answer: Becquerel

Thermal nuclear reactors using enriched uranium as fuel contains a maximum of ____________ percent fissile material i.e. U-235?

A 1

B 2

C 3

D 7

Review Detailed Answer

Correct Answer: 3

In β-decay of radioactive material, the ratio of neutron to proton____________________?

A Increases

B Remain same

C Decreases

D Is unpredictable; may increase or decrease

Review Detailed Answer

Correct Answer: Decreases

The largest stable nucleus is ________________?

A U-235

B U-238

C Pb-206

D Bi-209

Review Detailed Answer

Correct Answer: U-235

The disintegration rate of a radioactive element _______________?

A Progressively increases

B Progressively decreases

C Remains constant throughout

D May increase or decrease depending on the material

Review Detailed Answer

Correct Answer: Progressively decreases

The phenomenon of nuclear fission is opposite to that of__________________?

A Radioactive decay

B Thermionic emission

C Nuclear fusion

D Combustion

Review Detailed Answer

Correct Answer: Nuclear fusion

The most commonly used nuclear fuel in boiling water reactor is___________________?

A Enriched uranium

B Natural uranium

C Plutonium

D Monazite sand

Review Detailed Answer

Correct Answer: Enriched uranium

Heavy water has maximum density at ______________ °C ?

A 4

B 11.6

C 0

D 18.6

Review Detailed Answer

Correct Answer: 11.6

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Ordinary water is not used as a moderator because, it___________________?

First experimental observation of nuclear fission was done by ____________________?

The phenomenon of radioactivity was discovered by___________________?

Thermal nuclear reactors using enriched uranium as fuel contains a maximum of ____________ percent fissile material i.e. U-235?

In β-decay of radioactive material, the ratio of neutron to proton____________________?

The largest stable nucleus is ________________?

The disintegration rate of a radioactive element _______________?

The phenomenon of nuclear fission is opposite to that of__________________?

The most commonly used nuclear fuel in boiling water reactor is___________________?

Heavy water has maximum density at ______________ °C ?