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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.

Artificially produced radioactive isotopes are used for____________________?

A Power generation

B Treatment of certain diseases

C Initiating nuclear fission and fusion

D All A., B. and C.

Review Detailed Answer

Correct Answer: Treatment of certain diseases

Which one is different for the neutral atoms of the isotopes of an element ?

A Atomic weights

B Atomic numbers

C Number of protons

D Number of electrons

Review Detailed Answer

Correct Answer: Atomic weights

Uranium is recovered from its ore (pitchblende) by________________?

A Froth floatation technique

B Leaching with sulphuric acid

C Smelting in a furnace

D Dissolving in water

Review Detailed Answer

Correct Answer: Leaching with sulphuric acid

Which of the following is not an ore of uranium ?

A Pitchblende

B Kyanite

C Carnotite

D Rescolite

Review Detailed Answer

Correct Answer: Kyanite

“Critical mass” is the minimum mass of nuclear fissile material required for the_______________________?

A Sustainment of chain reaction

B Power generation on commercial scale

C Economic power generation

D None of these

Review Detailed Answer

Correct Answer: Sustainment of chain reaction

When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as____________________?

A Isomers

B Isotopes

C Isobars

D Isotones

Review Detailed Answer

Correct Answer: Isotones

Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _____________________?

A Melting point, hence can be subjected to higher temperature

B Density; hence core volume for a given power output would be smaller

C Resistance to effects of irradiation

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

Radioactivity of an isotope is expressed in______________________?

A Barn

B MeV

C Curie

D Ergs

Review Detailed Answer

Correct Answer: Curie

The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?

A 1/4

B 1/8

C 1/2

D 1/16

Review Detailed Answer

Correct Answer: 1/16

The mass number of an element is not changed, when it emits _______________ radiations?

A α & β

B β & γ

C γ & α

D α, β, & γ

Review Detailed Answer

Correct Answer: β & γ

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Artificially produced radioactive isotopes are used for____________________?

Which one is different for the neutral atoms of the isotopes of an element ?

Uranium is recovered from its ore (pitchblende) by________________?

Which of the following is not an ore of uranium ?

“Critical mass” is the minimum mass of nuclear fissile material required for the_______________________?

When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as____________________?

Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher _____________________?

Radioactivity of an isotope is expressed in______________________?

The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?

The mass number of an element is not changed, when it emits _______________ radiations?