FUN 1 EO: 1.4 - Radiation Protection Tech.

FUN 1 EO: 1.4

1 / 8

How many fuel assemblies does a typical commercial Boiling Water Reactor (BWR) contain?

Between 150-200 fuel assemblies

Between 370-800 fuel assemblies

More than 800 fuel assemblies.

Exactly 200 fuel assemblies

2 / 8

What is the source of emergency cooling water in both BWR and PWR if offsite power is lost?

The containment cooling system.

Other pumps powered by onsite diesel generators

A series of pumps from the electrical grid

The main turbine generator

3 / 8

What are the fission product barriers in a typical nuclear reactor design, such as BWR and PWR?

Fuel cladding, main turbine, reactor vessel

Fuel cladding, reactor system piping, containment structure

Core vessel, moisture separators, steam line

Primary coolant loop, secondary loop, condenser.

4 / 8

In a typical BWR, what happens to the steam-water mixture after absorbing heat from the core?

It is condensed into water.

It is exhausted to the condenser

It enters the two stages of moisture separation

It is pumped back to the reactor vessel

5 / 8

How many fuel assemblies does a typical commercial Pressurized Water Reactor (PWR) contain?

Between 370-800 fuel assemblies

Between 150-200 fuel assemblies

Exactly 200 fuel assemblies

More than 800 fuel assemblies.

6 / 8

How is the steam generated in a commercial Pressurized Water Reactor (PWR)?

Heat from the reactor core directly produces steam

The core inside the reactor vessel heats the steam line directly.

The steam-water mixture leaves the top of the core

Heat from the primary coolant loop vaporizes the water in a secondary loop

7 / 8

What is the first step in the typical design concept of both Boiling Water Reactors (BWR) and Pressurized Water Reactors (PWR)?

The steam line directs steam to the main turbine

Pressurized water in the primary coolant loop carries the heat.

The core inside the reactor vessel creates heat

The steam-water mixture leaves the top of the core

8 / 8

What is the main difference between the steam production in BWR and PWR?

BWR uses the condenser to produce steam, while PWR uses moisture separators.

BWR uses the primary coolant loop, while PWR uses a steam generator

BWR produces steam-water mixture in the core, while PWR uses a primary and secondary loop

BWR uses a steam line to generate electricity, while PWR uses the reactor vessel

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