FUN 2 EO: 1.4-d - Radiation Protection Tech.

FUN 2 EO: 1.4-d

1 / 15

One week after the reactor has been shut down, the core's power output becomes:

~ 7%

~ 0.25%

~ 1%

~ 0.5%

2 / 15

Immediately upon a Reactor Trip, what percentage of power is the core producing?

~ 0.5%

~ 1%

~ 25%

~ 7%

3 / 15

A month after the reactor's shutdown, the power produced by the core is approximately:

~ 0.125%

~ 1%

~ 0.25%

~ 0.5%

4 / 15

Which part of the plant delivers borated water to the Steam Generators?

Reactor Coolant Pump

Main Turbine

Two hot legs

Chemical Volume & Control System

5 / 15

When the plant is operating, how many loops are working together to take the heat generated in the core from fission and convert it into electrical energy?

6 / 15

How much power does the core produce 1 day after a reactor shutdown?

~ 0.25%

~ 7%

~ 0.5%

~ 1%

7 / 15

What percentage of power does the core produce 1 hour after the reactor is shut down?

0.01

0.07

0.005

0.0025

8 / 15

What is the significant energy produced in the reactor for years even after a shutdown referred to as?

Primary coolant

Core energy

Dilution process

Decay Heat

9 / 15

What are the radiological conditions during normal operations characterized by?

Extremely high dose rates due to gamma radiation from fission and Nitrogen-16 neutrons

Only noble gases without any radiation

Stable and low levels of radiation across the entire plant

No detectable particulates or iodines

10 / 15

Which of the following nuclides is commonly found in the containment airborne levels during normal operations?

H2O and CO2

Nitrogen-16

Boron

Xe-133 and Kr-85

11 / 15

The power being produced by the core after a reactor trip decreases:

By a quarter each day

Incrementally by 1% daily

By half for every time interval

Two-fold every week

12 / 15

Which system maintains the balance by receiving Letdown at the current Reactor Coolant System boron concentration and Charging back water into the Reactor Coolant System at a slightly lower concentration?

Primary Loop

Secondary Loop

Chemical Volume & Control System

Circulating Water Loop

13 / 15

The primary coolant heats the feedwater and causes it to:

Decrease in temperature

Boil, generating steam to drive the Main Turbine

Increase in radiation

Solidify the core

14 / 15

What is the purpose of the Reactor Coolant System?

Balances reactivity by diluting boron in the water

Provides energy for the core

Cools down the fuel rods

Generates steam to drive the Main Turbine

15 / 15

What serves as the SECOND Fission Product Barrier?

Steam Generators

Reactor Coolant Pump

Main Turbine

The primary piping

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