Chapter 13

Question 1

Spill control tactics confine a hazardous material that has been released from its container.

Answer 1

Spill control

Question 2

Control actions involving spills are generally defensive in nature.

Answer 2

Control actions

Question 3

To prevent further contamination, responders should use spill control to confine the hazardous material after its release.

Answer 3

spill control

Question 4

Some spill control tactics such as neutralization and dispersion minimize the amount of harm that contact with the material causes.

Answer 4

neutralization

Question 5

Control - To contain, confine, neutralize, or extinguish a hazardous material or its vapor.

Answer 5

Control

Question 6

Confinement - The process of controlling the flow of a spill and capturing it at some specified location

Answer 6

Confinement.

Question 7

Neutralization - Chemical reaction in water in which an acid and base react quantitatively with each other until there are no excess hydrogen or hydroxide ions remaining in the solution.

Answer 7

Neutralization

Question 8

Personnel perform blanketing or covering to prevent dispersion of hazardous materials.

Answer 8

dispersion

Question 9

Dam - Actions to prevent or limit the flow of a liquid or sludge past a certain area.

Answer 9

Dam

Question 10

Dike - Actions using raised embankments or other barriers to prevent movement of liquids or sludges to another area.

Answer 10

Dike

Question 11

Divert - Actions to direct and control movement of a liquid or sludge to an area that will produce less harm.

Answer 11

Divert

Question 12

Retain - Actions to contain liquid or sludge in an area where it can be absorbed, neutralized, or removed.

Answer 12

Retain

Question 13

Vapor suppression - Action taken to reduce the emission of vapors at a hazardous materials spill.

Answer 13

Vapor suppression

Question 14

Vapor dispersion - Action taken to direct or influence the course of airborne hazardous materials.

Answer 14

Vapor dispersion

Question 15

Dams can be constructed to trap materials that are lighter or heavier than water, depending on their specific gravity.

Answer 15

specific gravity

Question 16

Vapor dispersion uses pressurized water streams from hoselines or unattended master streams.

Answer 16

Vapor dispersion

Question 17

Ventilation - Systematic removal of heated air, smoke, gases, or other airborne contaminants from a structure and replacing them with cooler and or fresher air to reduce damage and facilitate fire fighting operations.

Answer 17

Ventilation

Question 18

When conducting negative pressure ventilation, personnel should ensure the fans and other ventilators are compatible with the atmosphere where they are being operated.

Answer 18

negative pressure

Question 19

Personnel usually use dispersion agents on hydrocarbon spills.

Answer 19

hydrocarbon

Question 20

Dilution - Application of water to a water soluble material to reduce the hazard.

Answer 20

Dilution

Question 21

Leak control tactics are used to contain the product in its original container, preventing it from escaping.

Answer 21

Leak control

Question 22

A leak involves the physical breach in a container through which product escapes.

Answer 22

leak

Question 23

Leak control is often referred to as containment.

Answer 23

containment

Question 24

The type of container involved, the type of breach, and properties of the material determine tactics and task relating to leak control.

Answer 24

tactics and task

Question 25

Containment - The act of stopping the further release of a material form its container.

Answer 25

Containment

Question 26

Remote valves can be closed to stop a material from flowing in pipelines or piping.

Answer 26

Remote

Question 27

Flammable and combustible liquids are Class B materials, water is ineffective extinguishing agent.

Answer 27

B

Question 28

Controlling Vapors is a priority at flammable and combustible liquid spills.

Answer 28

Vapors

Question 29

Before using foam concentrates, responders must proportion and aerate all foam concentrates.

Answer 29

proportion and aerate

Question 30

Mechanical foam concentrates are divided into two general categories based on the classification of fuels for which they are effective.

Answer 30

Mechanical

Question 31

Concentrates designed solely for hydrocarbon fires will not extinguish polar solvent.

Answer 31

polar solvent

Question 32

To produce high quality foam, four elements are necessary: foam concentrate, water, air, and mechanical agitation.

Answer 32

mechanical agitation

Question 33

Aeration produces adequate foam bubbles to form an effective foam blanket.

Answer 33

Aeration

Question 34

After identifying a flammable or combustible liquid, you can follow the foam recommendations in the orange guide in the ERG to determine what type of foam to use.

Answer 34

orange

Question 35

Emulsifiers are foam concentrates that are used with either class A or Class B fires.

Answer 35

Emulsifiers

Question 36

Unlike finished foam that blankets the fuel, an emulsifier mixes with the fuel, breaking it into small droplets and encapsulating them.

Answer 36

emulsifier

Question 37

Only use emulsifiers with fuels that are 1 inch deep or less.

Answer 37

1 inch

Question 38

Foam quality is measured in terms of its 25 % drainage time and its expansion ratio.

Answer 38

25 %

Question 39

Drainage time - Is the time required for one-fourth of the finished foam that results from a unit volume of foam solution.

Answer 39

Drainage time

Question 40

The greater the expansion ratio is, the thicker the foam blanket can be developed.

Answer 40

expansion ratio

Question 41

Air aspirating nozzles produce a larger expansion ratio than water fog nozzles.

Answer 41

Air aspirating

Question 42

If initial water streams are inadequate to cool both the pressurized tank and exposures, give priority to the involved container.

Answer 42

involved

Question 43

During incidents involving flammable liquid storage tanks, operations level responders should maintain a defensible distance.

Answer 43

operations level

Question 44

Foam, dry chemical, and water are common extinguishing agents for flammable liquids.

Answer 44

water

Question 45

The change from a liquid to a gas in the confined space increases the internal pressure on the vessel.

Answer 45

internal pressure

Question 46

The most common cause of Bleve is when flames contact the tank shell above the liquid level and the tank shell itself has overheated.

Answer 46

liquid