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Mechanical Engineering Objective Questions { Nuclear Power Plants }



1. The number of isotopes of hydrogen are
A.1
B.2
C.3
D.4

2. The commonly used material for shielding is
A.Lead or concrete
B.Lead and tin
C.Graphite or cadmium
D.Thick galvanised sheets

3. Enriched uranium may contain fissionable contents of the order of
A.1-99%
B.1-25%
C.1-50%
D.1-75%

4. Atomic number of an element in the periodic table represents the numbers of
A.Protons in the nucleus
B.Electrons in the nucleus
C.Neutrons in the nucleus
D.Electrons in the atom

5. The most usable isotope of uranium is
A.U233
B.U235
C.U240
D.U238

6. Isotopes of same elements have
A.Same atomic number and different masses
B.Same chemical properties but different atomic numbers
C.Different masses and different atomic numbers
D.Different chemical properties and same atomic numbers

7. The energy produced by a thermal reactor of same size as a breeder reactor is
A.Almost same
B.Slightly more
C.Slightly less
D.Much less

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