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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

Unit of radioactivity is__________________?
A Barn
B Fermi
C Angstrom
D Curie
Correct Answer: Curie
Gas cooling as compared to water cooling of nuclear reactors___________________?
A Cannot attain a high temperature
B Is more efficient as gas has a higher specific heat
C Can produce only saturated steam for feeding to power turbine
D None of these
Correct Answer: None of these
Which of the following nuclear materials is fissile ?
A Uranium-238
B Thorium-232
C Plutonium-239
D None of these
Correct Answer: Plutonium-239
The ratio of atomic radius to its nuclear radius is about___________________?
A 105
B 108
C 1012
D 1015
Correct Answer: 105
Isotopes of an element have different_____________________?
A Mass number
B Electronic configuration
C Nuclear charge
D Chemical properties
Correct Answer: Mass number
A moderator _____________ the neutrons?
A Slows down
B Absorbs
C Accelerates
D Reflects
Correct Answer: Slows down
The atomic number of a radioactive element is not changed, when it emits _____________ rays?
A α
B β
C γ
D α & β
Correct Answer: γ
Extraction of uranium from its ore is done by ______________ method?
A Chemical
B Pyrometallurgical
C Physical beneficiation
D Electrometallurgical
Correct Answer: Chemical
The most abundant isotope of natural uranium is ___________________?
A 92U238
B 92U235
C 92U234
D None of these
Correct Answer: 92U238
A boiling water reactor is the one, in which the_______________________?
A Coolant water is allowed to boil in the core of the reactor
B Coolant water, after being heated in the reactor core, generates steam in a boiler
C Pressurised water is pumped into the core
D Fuel and the coolant are thoroughly mixed to form a homogeneous solution
Correct Answer: Coolant water is allowed to boil in the core of the reactor
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