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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 sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is_____________________?
A Less
B More
C Same
D Much more
Correct Answer: Less
In a nuclear explosion, the energy is released primarily in the form of _____________ energy?
A Potential
B Thermal
C Kinetic
D Electrical
Correct Answer: Kinetic
What is the average life of a radioactive atom having a ‘half life period’ of T ?
A 1.44 T
B 0.144 T
C 14.4 T
D 2T
Correct Answer: 1.44 T
In a pressurised water reactor (PWR), the___________________?
A Fuel is natural uranium and heavy water acts both as moderator & coolant
B Coolant water boils in the core of the reactor
C Coolant water is pressurised to prevent bulk boiling of water in the core
D Use of moderator is not required
Correct Answer: Coolant water is pressurised to prevent bulk boiling of water in the core
A fertile material is the one, which can be__________________?
A Converted into fissile material on absorption of neutron
B Fissioned by slow (thermal) neutrons
C Fissioned by fast neutrons
D Fissioned by either slow or fast neutrons
Correct Answer: Converted into fissile material on absorption of neutron
In a homogeneous nuclear reactor, the _____________ are mixed together?
A Fuel & coolant
B Fuel & moderator
C Coolant & moderator
D None of these
Correct Answer: Fuel & moderator
Heat is generated in a nuclear reactor (thermal) by_________________?
A Combustion of a nuclear fuel e.g. uranium
B Fusion of atoms of uranium
C Absorption of neutrons in uranium atoms
D Fission of U-235 by neutrons
Correct Answer: Fission of U-235 by neutrons
Molten sodium is used as a coolant in a fast breeder reactor, because of its_________________?
A Excellent moderating properties
B Neutron breeding capability
C Faster heat removal capability from the core
D Capability to increase the reaction rate in the core
Correct Answer: Faster heat removal capability from the core
A homogeneous reactor is the one, in which the___________________?
A Fissile atoms are evenly distributed throughout the mass of nuclear reactor
B Same substance (e.g. heavy water) is used as moderator & coolant
C The fuel and the moderator is mixed to form a homogeneous material
D All A., B. and C.
Correct Answer: The fuel and the moderator is mixed to form a homogeneous material
The number of neutrons in the nucleus of Uranium-233 (92U233) is _________________?
A 141
B 92
C 233
D 325
Correct Answer: 141
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