M C Q s D r i v e

Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?

A A + Z
B A – Z
C A
D Z
Correct Answer: A – Z

Hydrogen differs from deuterium in _____________ properties?

A Radioactive
B Physical
C Chemical
D All A., B. and C.
Correct Answer: Physical

Which of the following is artificially produced as it does not occur in nature ?

A Uranium-235
B Uranium-233
C Plutonium-239
D Both B. and C.
Correct Answer: Both B. and C.

Neutrons have mass approximately equal to that of _____________ atoms?

A Hydrogen
B Helium
C Deuterium
D None of these
Correct Answer: Hydrogen

The emission of an a-particle causes the resultant nucleus to have____________________?

A More atomic weight and less atomic number
B Less atomic weight and less atomic number
C Less atomic weight and more atomic number
D None of these
Correct Answer: More atomic weight and less atomic number

Atoms with same number of neutrons, but different number of nucleons are called___________________?

A Isotones
B Isobars
C Isotopes
D Isostere
Correct Answer: Isotones

Percentage of heavy water in ordinary water is around__________________?

A 0.015
B 7.54
C 0.71
D 32.97
Correct Answer: 0.015

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
Correct Answer: Absorbs neutrons

First experimental observation of nuclear fission was done by ____________________?

A Plane
B Rutherford
C Fermi
D Hahn and Strassmann
Correct Answer: Fermi

The phenomenon of radioactivity was discovered by___________________?

A Madam Curie
B Becquerel
C Roentgen
D J.J. Thomson
Correct Answer: Becquerel