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

FUN 2 EO: 1.4-f

1 / 15

In forced convection:

Heat is transferred only through natural circulation

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

The fluid relies on buoyancy due to gravity

The fluid remains stationary, allowing heat transfer

2 / 15

In most heat exchangers, the higher pressure fluid is:

On the shell side

Outside the tubes

Equally distributed

Inside the tubes

3 / 15

Natural convection relies on which driving force?

Pumping mechanism

Buoyancy due to fluid density differences

Temperature change

Pressure

4 / 15

Which of the following statements is true about metals?

Metals are poor conductors because of their ionic bonds

Metals do not have free-moving electrons

Metals do not form a crystalline structure

Metals are usually the best conductors of thermal energy

5 / 15

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

Cohesion

Conductivity

Solvent capability

Adhesion

6 / 15

Most of the heat exchangers in the plant are:

Counter flow

Parallel flow

Turbulent flow

Crossflow

7 / 15

A heat exchanger is a component that:

Stops the flow of heat altogether

Transfers heat between two substances at different temperatures

Only transfers heat to a hotter substance

Cools down substances to the same temperature

8 / 15

What is the chemical formula for water?

CO2

H2O

9 / 15

Why is steam used in a steam engine?

Because of water's high heat of vaporization

Due to its ability to condense quickly

Due to its low heat of vaporization

Because of water's high freezing point

10 / 15

An open cooling water system is characterized by:

Not needing any makeup

Having a surge tank

Being sealed off from the atmosphere

Being open to the atmosphere

11 / 15

What is the fundamental action of the plant?

Cooling down the core temperature

Controlling radiation levels in the environment

Moving water from one location to another

Generating steam from pure water

12 / 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

13 / 15

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

Transfer of heat in a solid and in a vacuum

Ionic and covalent bonding

Natural circulation and forceful circulation

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

14 / 15

Steam, in its purest form, is:

A completely invisible gas

A white mist seen above boiling water

A solid

A liquid

15 / 15

The boiling point of water at sea level is:

180 °F

212 °F

154 °F

39.16 °F

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