ENVIRONMENTAL ENGINEERING IN CE QUIZ

U235 will undergo fission by

Low energy (slow) neutrons alone

Either fast or slow neutrons

High energy (fast) neutrons alone

Medium energy neutrons

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U233 is produced

By neutron irradiation of thorium

By neutron irradiation of Uz

Artificially

As basic raw material

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Which of the following are ferrite materials?

U₂₃₈ and Pu₂₃₉

U₂₃₃ and Pu₂₃₉

U₂₃₈ and Th₂₃₉

U

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Ferrite material is

The basic fuel for nuclear paints

The most fissionable material

The material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material

Basic raw material for nuclear plants

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A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be

Good thermal conductor

All of the listed here

Stable under nuclear radiation

Corrosion resistant

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A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is

There is no such criterion

Less

Same

More

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One gram of uranium will produce energy equivalent to approximately

10 tonnes of high grade coal

4.5 tonnes of high grade coal

100 tonnes of high grade coal

1 tonne of high grade coal

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Atomic number of an element in the periodic table represents the numbers of

Protons in the nucleus

Neutrons in the nucleus

Electrons in the nucleus

Electrons in the atom

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In a power station ' load center ' means

Center of maximum load of equipment

Center of gravity of electrical system

Center of power plant

Center of coal fields

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The following present serious difficulty in designing reactor shield

Fast neutrons and gamma rays

Alpha particles

Beta particles

Thermal neutrons

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