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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.

All Topics  9594

The critical mass of a fissionable material can be reduced by__________________?
A Heating it
B Cooling it
C Surrounding it by neutron reflecting material
D Surrounding it by neutron absorbing material
Correct Answer: Surrounding it by neutron reflecting material
Energy equivalent to one atomic mass unit (amu) is ______________ MeV?
A 9.31
B 93.1
C 931
D 9310
Correct Answer: 931
Which of the following is the most harmful for the human being ?
A β-rays
B X-rays
C γ-rays
D Ultra violet rays
Correct Answer: γ-rays
A fast breeder reactor employs___________________?
A Graphite as moderator
B Water as coolant
C Molten sodium as coolant as well as moderator
D U-235 as fuel
Correct Answer: U-235 as fuel
Both tritium and deuterium have the same number of_______________?
A Neutrons
B Electrons
C Protons
D Nucleons
Correct Answer: Neutrons
Main source of ______________ is monazite sand?
A Uranium
B Polonium
C Hafnium
D Thorium
Correct Answer: Thorium
Research reactors are normally meant for_____________________?
A Producing high neutron flux 1012-1013 neutrons/cm2, sec and studying the effect of neutron
B Accelerating the neutrons
C Power generation
D None of these
Correct Answer: Producing high neutron flux 1012-1013 neutrons/cm2, sec and studying the effect of neutron
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.
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
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
Correct Answer: Leaching with sulphuric acid
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