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

FUN 2 EO: 1.4-e

1 / 15

What is the purpose of the RC waste system?

Provide controlled handling and disposal of radioactive liquid waste from the reactor coolant system

Control the heat generation within the reactor

Facilitate the operation of the reactor during power operations

Monitor the levels of radiation within the reactor

2 / 15

The RCS water can be directed through which type of waste systems?

Chemical, gas, and liquid

Radioactive, solid, and liquid

Solid, liquid, and gaseous

Liquid, chemical, and solid

3 / 15

The component cooling water loop circulates water through which exchanger?

Essential Cooling Heat Exchanger

Residual Heat Removal Heat Exchanger

Ultimate Heat Sink Heat Exchanger

Core Coolant Heat Exchanger

4 / 15

The Service Water loop returns heated water to:

The plant's internal reservoir

The atmosphere directly

The Residual Heat Removal Heat Exchanger

Ocean, river, sea, or an onsite cooling pond

5 / 15

What are the three loops involved in removing heat from the core during a plant shutdown?

Primary Safety Loop, Emergency Cooling Water Loop, Main Heat Sink Loop

Core Coolant Loop, Supplementary Cooling Water Loop, Main Shutdown Loop

Shutdown Cooling Loop, Essential Cooling Water Loop, Ultimate Heat Sink Loop

Primary Coolant Loop, Secondary Coolant Loop, Containment Cooling Loop

6 / 15

Which system provides the method for controlling pressurizer levels, RCS volume, and chemistry control?

Reactor Coolant System

Component Cooling Water System

Chemical and Volume Control System

Waste Control System

7 / 15

When the plant is operating, what percentage of heat is rejected to the atmosphere through the cooling towers?

0.65

0.45

0.75

0.55

8 / 15

Where does the reactor coolant waste water get purified?

Reactor coolant waste cleaning unit

Reactor coolant waste filters

Reactor coolant waste processing plant

Reactor coolant waste ion exchangers

9 / 15

What is the ultimate goal of storing radioactive gaseous waste in the waste gas decay tanks?

Transfer to a secondary containment facility

Permanent storage of radioactive gases

Immediate release after brief storage

Allow time for decay prior to release to the atmosphere

10 / 15

What is the purpose of the waste gas surge tank?

Allow gaseous waste to be vented safely into the environment

Store gaseous waste before it's processed

Act as a filtering unit for gaseous waste

Provide a collection point for incoming gases and act as the suction head for the waste gas compressors

11 / 15

What transfers decay heat to the essential cooling water loop?

Ultimate Heat Sink Exchanger

Core Coolant Heat Exchanger

Residual Heat Removal Heat Exchanger

Shutdown Heat Removal Exchanger

12 / 15

Which pump extracts hot water from the core for heat removal after reactor shutdown?

Ultimate Heat Sink Pump

Residual Heat Removal Pump

Essential Cooling Water Pump

Primary Coolant Pump

13 / 15

What remains as the primary noble gas released after sufficient decay in the waste gas decay tanks?

Kr-85

Ar-40

Rn-222

Xe-133

14 / 15

What radiological precautions are associated with Letdown heat exchanger maintenance?

Low dose rate, minimal contamination, and airborne < 1 DAC

Minimal dose rate, high contamination, and potential for airborne < 1 DAC

High dose rate, high contamination, and potential for airborne > 1 DAC

Moderate dose rate, medium contamination, and no airborne concerns

15 / 15

What is the ultimate destination for the heat generated from the reactor during plant operation?

Underlying water table

Atmosphere

Ground

Plant's internal system

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