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

FUN 2 EO: 1.4-f

1 / 15

An open cooling water system is characterized by:

Being open to the atmosphere

Not needing any makeup

Being sealed off from the atmosphere

Having a surge tank

2 / 15

Which of the following statements is true about metals?

Metals do not form a crystalline structure

Metals do not have free-moving electrons

Metals are usually the best conductors of thermal energy

Metals are poor conductors because of their ionic bonds

3 / 15

A heat exchanger is a component that:

Cools down substances to the same temperature

Stops the flow of heat altogether

Transfers heat between two substances at different temperatures

Only transfers heat to a hotter substance

4 / 15

What is the chemical formula for water?

H2O

CO2

5 / 15

Why is steam used in a steam engine?

Because of water's high freezing point

Due to its low heat of vaporization

Because of water's high heat of vaporization

Due to its ability to condense quickly

6 / 15

The function of the individual systems that make up the plant is achieved by:

Creating new components

Using basic components in different combinations

Only moving water

Avoiding the use of steam

7 / 15

Steam, in its purest form, is:

A white mist seen above boiling water

A liquid

A solid

A completely invisible gas

8 / 15

What is the fundamental action of the plant?

Cooling down the core temperature

Moving water from one location to another

Generating steam from pure water

Controlling radiation levels in the environment

9 / 15

Convection heat transfer in the plant heat exchangers is a combination of:

Transfer of heat in a solid and in a vacuum

Natural circulation and forceful circulation

Conduction heat transfer and transfer of heat with a fluid in motion

Ionic and covalent bonding

10 / 15

Which property describes water's ability to stick to itself?

Cohesion

Solvent capability

Adhesion

Conductivity

11 / 15

Natural convection relies on which driving force?

Buoyancy due to fluid density differences

Temperature change

Pressure

Pumping mechanism

12 / 15

The boiling point of water at sea level is:

212 °F

39.16 °F

180 °F

154 °F

13 / 15

Most of the heat exchangers in the plant are:

Counter flow

Turbulent flow

Crossflow

Parallel flow

14 / 15

In forced convection:

The fluid relies on buoyancy due to gravity

The fluid remains stationary, allowing heat transfer

Heat is transferred only through natural circulation

A pump, fan, or other means is used to propel the fluid

15 / 15

In most heat exchangers, the higher pressure fluid is:

Inside the tubes

On the shell side

Equally distributed

Outside the tubes

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