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

FUN 2 EO: 1.4-e

1 / 15

The Service Water loop returns heated water to:

Ocean, river, sea, or an onsite cooling pond

The atmosphere directly

The Residual Heat Removal Heat Exchanger

The plant's internal reservoir

2 / 15

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

Permanent storage of radioactive gases

Immediate release after brief storage

Transfer to a secondary containment facility

Allow time for decay prior to release to the atmosphere

3 / 15

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

Rn-222

Kr-85

Xe-133

Ar-40

4 / 15

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

Chemical and Volume Control System

Reactor Coolant System

Component Cooling Water System

Waste Control System

5 / 15

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

Ultimate Heat Sink Pump

Residual Heat Removal Pump

Primary Coolant Pump

Essential Cooling Water Pump

6 / 15

What transfers decay heat to the essential cooling water loop?

Residual Heat Removal Heat Exchanger

Core Coolant Heat Exchanger

Shutdown Heat Removal Exchanger

Ultimate Heat Sink Exchanger

7 / 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

8 / 15

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

Underlying water table

Plant's internal system

Atmosphere

Ground

9 / 15

The component cooling water loop circulates water through which exchanger?

Ultimate Heat Sink Heat Exchanger

Essential Cooling Heat Exchanger

Residual Heat Removal Heat Exchanger

Core Coolant Heat Exchanger

10 / 15

Where does the reactor coolant waste water get purified?

Reactor coolant waste ion exchangers

Reactor coolant waste processing plant

Reactor coolant waste cleaning unit

Reactor coolant waste filters

11 / 15

What is the purpose of the waste gas surge tank?

Act as a filtering unit for gaseous waste

Allow gaseous waste to be vented safely into the environment

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

Store gaseous waste before it's processed

12 / 15

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

0.65

0.75

0.55

0.45

13 / 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

14 / 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

Primary Coolant Loop, Secondary Coolant Loop, Containment Cooling Loop

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

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

15 / 15

What is the purpose of the RC waste system?

Control the heat generation within the reactor

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

Monitor the levels of radiation within the reactor

Facilitate the operation of the reactor during power operations

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