Wk 5: Midterm

Question 1

The basic unit of firefighting operations is called a:

Answer 1

company

Question 2

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

Answer 2

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

Question 3

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

Answer 3

Being observant about hazards and changing conditions

Question 4

What are personnel accountability systems designed to do?

Answer 4

track Personnel in and out of the IDLH environment

Question 5

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

Answer 5

representing your department.

Question 6

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

Answer 6

intrinsically safe

Question 7

Which channel would be assigned for fireground operations only?

Answer 7

tactical channel

Question 8

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

Answer 8

High concentration of wood

Question 9

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

Answer 9

may serve as a flow path for smoke and fire.

Question 10

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

Answer 10

asphalt shingles

Question 11

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

Answer 11

slab door

Question 12

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

Answer 12

an oxidizer.

Question 13

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?

Answer 13

piloted ignition

Question 14

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

Answer 14

Carbon monoxide (CO)

Question 15

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

Answer 15

chemical energy

Question 16

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

Answer 16

convection

Question 17

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

Answer 17

float

Question 18

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

Answer 18

amount of oxygen available for combustion.

Question 19

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

Answer 19

fully-developed

Question 20

A compartment is any:

Answer 20

space divided into separate areas.

Question 21

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

Answer 21

NFPA 1971

Question 22

The SCBA backplate and harness assembly:

Answer 22

is used to hold the breathing air cylinder.

Question 23

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

Answer 23

class A foam

Question 24

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

Answer 24

CO2 gas displaces oxygen to smother the fire

Question 25

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

Answer 25

with the wind at your back.

Question 26

When operating a portable fire extinguisher,:

Answer 26

aim the nozzle at the base of the fire.

Question 27

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

Answer 27

reduce the radiant heat flux from the upper layer.

Question 28

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

Answer 28

Disruption of the thermal layering

Question 29

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

Answer 29

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

Question 30

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

Answer 30

oxygen exclusion

Question 31

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

Answer 31

Known locations of victims or occupants

Question 32

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

Answer 32

know your point of no return

Question 33

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

Answer 33

the IC or Incident Safety Officer should be notified.

Question 34

Secondary searches:

Answer 34

use the same steps as primary searches.

Question 35

the four steps involved in VEIS are:

Answer 35

vent, enter, isolate, search.

Question 36

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

Answer 36

proceed to a designated safe area outside the collapse zone.

Question 37

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

Answer 37

Broadcast a MAYDAY, then attempt to free yourself

Question 38

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

Answer 38

Providing breathing air to the firefighter and exiting the IDLH atmosphere

Question 39

Which statement describes two-way couplings?

Answer 39

Do not have male and female threads

Question 40

How can mechanical damage to hoselines be avoided

Answer 40

Deploy hoselines away from debris

Question 41

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

Answer 41

many apparatus are equipped with an LDH hose roller.

Question 42

What is a disadvantage of the flat hose load?

Answer 42

The hose folds contain sharp bends.

Question 43

Reduced water volume or pressure from hydrants can result from:

Answer 43

greater demand than the system can provide.

Question 44

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?

Answer 44

Siamese appliance

Question 45

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

Answer 45

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

Question 46

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?

Answer 46

Cellar nozzle