POWER PLANT ENGINEERING QUIZ

Amongst the following, the fissionable materials are

U₂₃₈ and Pu₂₃₉

U₂₃₅ and Pu₂₃₅

U₂₃₃ and Pu₂₂₉

U₂₃₁ and Pu₂₃₃

TRUE ANSWER : ?
YOUR ANSWER : ?

The process by which a heavy nucleus is spitted into two light nuclei is known as

Disintegration

Fission

Fusion

Splitting

TRUE ANSWER : ?
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Boiling water reactor employs

Multi passes system

Double circuit system of coolant cycle

Direct cycle of coolant system

Boiler

TRUE ANSWER : ?
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In triggering fission, which types of neutrons are more effective?

Fast

Static

In bulk

Slow

TRUE ANSWER : ?
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Hydrogen is preferred as better coolant in comparison to CO₂ because former

Is a good conductor

Is inert

Has high specific heat

Is lighter

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The following present serious difficulty in designing reactor shield

Beta particles

Fast neutrons and gamma rays

Alpha particles

Thermal neutrons

TRUE ANSWER : ?
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Which is not identical for an atom and an isotope?

Position in periodic table

Mass number

Atomic number

Chemical properties

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The risk of radioactive hazard is greatest in the turbine with following reactor

Liquid metal cooled

Boiling water

Pressurised water

Gas cooled

TRUE ANSWER : ?
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Where reactor operation is designed with fast neutrons such as in reactors using highly enriched fuel, the moderator used is

Graphite

Heavy water

Carbon dioxide

No moderator is needed

TRUE ANSWER : ?
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Plutonium (Pu239) is produced

By fission of Th232

When U238 is irradiated by neutrons

As basic raw material

Artificially

TRUE ANSWER : ?
YOUR ANSWER : ?

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