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

FUN 2 EO: 1.4-e

1 / 15

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

0.65

0.55

0.45

0.75

2 / 15

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

Residual Heat Removal Pump

Essential Cooling Water Pump

Ultimate Heat Sink Pump

Primary Coolant Pump

3 / 15

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

Solid, liquid, and gaseous

Chemical, gas, and liquid

Liquid, chemical, and solid

Radioactive, solid, and liquid

4 / 15

What is the purpose of the waste gas surge tank?

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

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

5 / 15

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

Underlying water table

Plant's internal system

Ground

Atmosphere

6 / 15

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

Xe-133

Rn-222

Ar-40

Kr-85

7 / 15

What transfers decay heat to the essential cooling water loop?

Ultimate Heat Sink Exchanger

Residual Heat Removal Heat Exchanger

Core Coolant Heat Exchanger

Shutdown Heat Removal Exchanger

8 / 15

What radiological precautions are associated with Letdown heat exchanger maintenance?

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

Moderate dose rate, medium contamination, and no airborne concerns

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

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

9 / 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

Monitor the levels of radiation within the reactor

Facilitate the operation of the reactor during power operations

10 / 15

The Service Water loop returns heated water to:

The plant's internal reservoir

Ocean, river, sea, or an onsite cooling pond

The atmosphere directly

The Residual Heat Removal Heat Exchanger

11 / 15

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

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

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

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

Primary Coolant Loop, Secondary Coolant Loop, Containment Cooling Loop

12 / 15

Where does the reactor coolant waste water get purified?

Reactor coolant waste ion exchangers

Reactor coolant waste filters

Reactor coolant waste cleaning unit

Reactor coolant waste processing plant

13 / 15

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

Component Cooling Water System

Waste Control System

Reactor Coolant System

Chemical and Volume Control System

14 / 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

Allow time for decay prior to release to the atmosphere

Transfer to a secondary containment facility

15 / 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

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