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Nuclear Power Engineering

Heat is generated in a nuclear reactor (thermal) by_________________?

August 25, 2021March 6, 2019 by admin
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

Categories Nuclear Power Engineering

Molten sodium is used as a coolant in a fast breeder reactor, because of its_________________?

August 25, 2021March 6, 2019 by admin
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

Categories Nuclear Power Engineering

A homogeneous reactor is the one, in which the___________________?

August 25, 2021March 6, 2019 by admin
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.

Categories Nuclear Power Engineering

The number of neutrons in the nucleus of Uranium-233 (92U233) is _________________?

August 25, 2021March 6, 2019 by admin
The number of neutrons in the nucleus of Uranium-233 (92U233) is _________________?

A. 141
B. 92
C. 233
D. 325

Categories Nuclear Power Engineering

Mass of a positron is same as that of a/an__________________?

August 25, 2021March 6, 2019 by admin
Mass of a positron is same as that of a/an__________________?

A. Electron
B. α-particle
C. Proton
D. Neutron

Categories Nuclear Power Engineering

The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ______________ of its original weight?

August 25, 2021March 6, 2019 by admin
The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ______________ of its original weight?

A. 1/2
B. 1/4
C. 1/8
D. 1/16

Categories Nuclear Power Engineering

An element having large number of ______________ is most easily subjected to nuclear fission?

August 25, 2021March 6, 2019 by admin
An element having large number of ______________ is most easily subjected to nuclear fission?

A. Protons
B. Electrons
C. Neutrons
D. Nucleons

Categories Nuclear Power Engineering

One ‘amu’ is equivalent to___________________?

August 25, 2021March 6, 2019 by admin
One ‘amu’ is equivalent to___________________?

A. 9.31 MeV
B. 931 eV
C. 931 Mev
D. 931 J

Categories Nuclear Power Engineering

75% of a radioactive element decays in 6 hours. Its half life period is ______________ hours?

August 25, 2021March 6, 2019 by admin
75% of a radioactive element decays in 6 hours. Its half life period is ______________ hours?

A. 3/4
B. 1/6
C. 3
D. 4

Categories Nuclear Power Engineering

Which of the following is not used as a nuclear fuel cladding material ?

August 25, 2021March 6, 2019 by admin
Which of the following is not used as a nuclear fuel cladding material ?

A. Zircaloy
B. Cadmium
C. Ceramics
D. Stainless steel

Categories Nuclear Power Engineering
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