Nuclear Power Engineering Subcategories

Nuclear Power Engineering

Graphite is used in nuclear reactor as_____________________?

A. Insulation lining of the reactor
B. Fuel
C. Lubricant
D. Retarder of neutron velocity

‘Light water’ used as a coolant in nuclear reactor is nothing but______________________?

A. Ordinary water
B. Mildly acidic (pH = 6) water
C. Mildly alkaline (pH = 8) water
D. None of these

Uranium percentage in monazite sand is about________________?

A. 0.01
B. 0.25
C. 1.2
D. 7

The disintegration rate of a radioactive element _______________?

A. Progressively increases
B. Progressively decreases
C. Remains constant throughout
D. May increase or decrease depending on the material

The atomic number of a radioactive element is not changed, when it emits _____________ rays?

A. α
B. β
C. γ
D. α & β

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

Which of the following may not need a moderator ?

A. Candu reactor
B. Fast breeder reactor
C. Homogeneous reactor
D. Pressurised water reactor

Nuclides having the same atomic numbers are termed as___________________?

A. Isotopes
B. Isomers
C. Isotones
D. Isobars

Unit of radioactivity is__________________?

A. Barn
B. Fermi
C. Angstrom
D. Curie

Thorium-232 is converted into uranium-233 in a/an ______________ nuclear reactor?

A. Thermal
B. Fast breeder
C. Heavy water moderated
D. Enriched uranium