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

FUN 2 EO: 1.4-d

1 / 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?

2 / 15

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

~ 7%

~ 1%

~ 0.5%

~ 0.25%

3 / 15

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

H2O and CO2

Boron

Nitrogen-16

Xe-133 and Kr-85

4 / 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?

Chemical Volume & Control System

Circulating Water Loop

Secondary Loop

Primary Loop

5 / 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

No detectable particulates or iodines

Only noble gases without any radiation

Stable and low levels of radiation across the entire plant

6 / 15

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

~ 0.25%

~ 0.125%

~ 1%

~ 0.5%

7 / 15

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

By a quarter each day

By half for every time interval

Two-fold every week

Incrementally by 1% daily

8 / 15

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

Core energy

Dilution process

Decay Heat

Primary coolant

9 / 15

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

~ 7%

~ 25%

~ 1%

~ 0.5%

10 / 15

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

~ 0.25%

~ 1%

~ 7%

~ 0.5%

11 / 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

12 / 15

What serves as the SECOND Fission Product Barrier?

Reactor Coolant Pump

The primary piping

Main Turbine

Steam Generators

13 / 15

What is the purpose of the Reactor Coolant System?

Generates steam to drive the Main Turbine

Provides energy for the core

Cools down the fuel rods

Balances reactivity by diluting boron in the water

14 / 15

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

Chemical Volume & Control System

Two hot legs

Main Turbine

Reactor Coolant Pump

15 / 15

The primary coolant heats the feedwater and causes it to:

Increase in radiation

Decrease in temperature

Solidify the core

Boil, generating steam to drive the Main Turbine

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