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Drill > Wk 5: Midterm > Flashcards

Wk 5: Midterm Flashcards

1
Q

The basic unit of firefighting operations is called a:

A

company

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2
Q

What is the purpose of a fire department member assistance program (MAP)?

A

Offer easily accessible, confidential assistance with personal problems that affect job performance

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3
Q

What does it mean to practice situational awareness on the fireground?

A

Being observant about hazards and changing conditions

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4
Q

What are personnel accountability systems designed to do?

A

track Personnel in and out of the IDLH environment

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5
Q

When answering nonemergency telephone calls, remember to be professional and courteous because you are:

A

representing your department.

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6
Q

Communications equipment that is going to be used in flammable atmospheres must be:

A

intrinsically safe

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7
Q

Which channel would be assigned for fireground operations only?

A

tactical channel

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8
Q

Which characteristic of Type IV construction buildings can contribute to the intensity of a fire once it starts?

A

High concentration of wood

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9
Q

Because unprotected stairwells are not enclosed with fire-rated construction, they:

A

may serve as a flow path for smoke and fire.

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10
Q

What type of roofing material is often applied on top of roof decking?

A

asphalt shingles

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11
Q

Which type of door consists of thin pieces of wood, glass, or louvers placed within a framed rectangular area?

A

slab door

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12
Q

Fires involve a heat-producing chemical reaction between fuel and:

A

an oxidizer.

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13
Q

What occurs when a mixture of fuel and oxygen encounter an external heat source with sufficient heat or thermal energy to star the combustion reaction?

A

piloted ignition

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14
Q

Which product of combustion acts as a chemical asphyxiant by excluding oxygen from the blood, leading to hypoxia of the brain and tissues?

A

Carbon monoxide (CO)

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15
Q

What is the MOST common source of heat in combustion reactions?

A

chemical energy

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16
Q

Which heat transfer mechanism is dependent on several factors including the turbulence and velocity of moving gases?

A

convection

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17
Q

What will a liquid with a specific gravity of less than one do when combined with water?

A

float

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18
Q

In most compartment fires, the energy released in fire is directly proportional to the:

A

amount of oxygen available for combustion.

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19
Q

Fires develop through four stages: Incipient, growth,_______, and decay.

A

fully-developed

20
Q

A compartment is any:

A

space divided into separate areas.

21
Q

All PPE designed for structural firefighting just meet the requirements of:

A

NFPA 1971

22
Q

The SCBA backplate and harness assembly:

A

is used to hold the breathing air cylinder.

23
Q

What do manufacturers sometimes add to stored-pressure water extinguishers in order to increase their effectiveness?

A

class A foam

24
Q

What is a characteristic of carbon dioxide (CO2) extinguishers?

A

CO2 gas displaces oxygen to smother the fire

25
Q

When operating a portable fire extinguisher, it is safest to approach the fire:

A

with the wind at your back.

26
Q

When operating a portable fire extinguisher,:

A

aim the nozzle at the base of the fire.

27
Q

When firefighters apply water to the hot gas layer in a compartment, it will

A

reduce the radiant heat flux from the upper layer.

28
Q

What can happen if excess steam is produced inside the structure as a result of applying water on the fire?

A

Disruption of the thermal layering

29
Q

Why is it dangerous to work below the hot gas layer without attempting to cool it?

A

The smoke contains fuel, and it may ignite at any time.

30
Q

When a firefighter controls doors and windows during fire attack, it is an example of:

A

oxygen exclusion

31
Q

Which condition specific to search and rescue operations should be communicated to crew members and/or your supervisor?

A

Known locations of victims or occupants

32
Q

Which of the following is one of the three principles of air management?

A

know your point of no return

33
Q

If air monitoring indicates that the oxygen level in the atmosphere is below 19.5 percent

A

the IC or Incident Safety Officer should be notified.

34
Q

Secondary searches:

A

use the same steps as primary searches.

35
Q

the four steps involved in VEIS are:

A

vent, enter, isolate, search.

36
Q

When an abandon signal is given, all exiting crews must:

A

proceed to a designated safe area outside the collapse zone.

37
Q

What should you do if you become entangled while trying to evacuate a building?

A

Broadcast a MAYDAY, then attempt to free yourself

38
Q

After locating a downed firefighter in an IDLH atmosphere, what is the RIT’s priority?

A

Providing breathing air to the firefighter and exiting the IDLH atmosphere

39
Q

Which statement describes two-way couplings?

A

Do not have male and female threads

40
Q

How can mechanical damage to hoselines be avoided

A

Deploy hoselines away from debris

41
Q

In order to make the process of loading large diameter hose (LDH) more efficient,:

A

many apparatus are equipped with an LDH hose roller.

42
Q

What is a disadvantage of the flat hose load?

A

The hose folds contain sharp bends.

43
Q

Reduced water volume or pressure from hydrants can result from:

A

greater demand than the system can provide.

44
Q

Which device would be used if multiple supply lines need to be merged into one hoseline, such as when LDH is not available to overcome friction loss in a long hose lay?

A

Siamese appliance

45
Q

In order to avoid overloading a ladder when advancing a hoseline up it

A

only one firefighter should be on a section of ladder at a time.

46
Q

Which type of nozzle that is designed for use on fires in confined spaces has a rotating head that distributes water in a circular pattern?

A

Cellar nozzle

Drill (10 decks)

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