Engine Company Operations

Question 0

Describe flash over

Answer 0

Stage when all surface & objects within a space are heated to their ignition temperature

Question 1

What 4 items are in the Fire Tetrahedron?

Answer 1

Oxygen, Heat, Fuel, Chain Reaction

Question 2

An explosion that occurs when additional oxygen is introduced into a smoldering fire is called a _______?

Answer 2

BACKDRAFT

Question 3

What stage does a backdraft usually occur in?

Answer 3

The decay stage

Question 4

What are warning signs of a backdraft?

Answer 4

heavy dense smoke with no visible flame

black smoke pushing around closed doors/windows

glass stained windows

reversal of air movement

Question 5

What is rollover?

Answer 5

flames present in layers of smoke as a result of heated gases are pushed under pressure. This is a sign of FLASHOVER

Question 6

A tendency of gases to form into layers according to ___________?

Answer 6

temperature

Question 7

What is pyrolysis?

Answer 7

Pyrolysis is when solid fuels are heated, combustible gases are driven from the substance

Question 8

What are the 4 stages of fire growth?

Answer 8

Incipient
Growth
Fully Developed
Decay

Question 9

The amount of energy released over time is called ________?

Answer 9

heat release rate

Question 10

Who identifies ventilation needs?

Answer 10

The officer

Question 11

Proper ventilation accomplishes??

Answer 11

decreases likelihood of flash over/rapid fire development and increases FF safety and occupants

Question 12

How many feet way from the window should the nozzle be placed during Hydraulic ventilation?

Answer 12

2 feet from window and fill window 80%

Question 13

What is the primary goal of the exposure line?

Answer 13

to minimize fire spread

Question 14

When smoke is from floor to ceiling, where should you check ?

Answer 14

Check the floor below or basment

Question 15

Threats to safety on the fire ground are primarily in two categories

Answer 15

advanced fire conditions & collapse potential

Question 16

What is the human threshold of heat?

Answer 16

212*F

Question 17

What is the primary cause of fire deaths ?

Answer 17

CO , unconscious within 4 to 12 seconds @200,000ppm

Question 18

10% or less of oxygen =’s

Answer 18

DEATH

Question 19

Increasing chances of survival greatly increases by …..

Answer 19

Shutting doors & creating barriers

Question 20

A coordinated & specific relocation of units from an area deemed untenable to a specific area deemed safe to continue operating is a ______ withdraw?

Answer 20

TACTICAL WITHDRAW

Question 21

Immediate evacuation of all personnel from an unsafe structure, or other dangerous area is a _________?

Answer 21

Emergency Evacuation

Question 22

What strategy mode is taking direct action to mitigate the problem & used with a life hazard exists or fire can be extinguished without total destruction?

Answer 22

OFFENSIVE mode

Question 23

Which mode is an effort of trying to prevent the area around the structure from being damaged, the fire building is not savable and the objective is to stop fire from spreading to exposures that are savable ?

Answer 23

DEFENSIVE mode

Question 24

In a transitional mode how do the engine companies with draw?

Answer 24

From the top down, after withdraw check air status

Question 25

What is the expansion of water to steam ratio using a fog nozzle?

Answer 25

1:1,700 @ 212*F

Question 26

A direct attack applies streams where?

Answer 26

apply water directly to the seat of the fire, sweeping the floor to cool embers

Question 27

Attacking the fire from a doorway, window, or other protected area not entering the fire area is an ________ attack.

Answer 27

INDIRECT attack

Question 28

Should you use an indirect attack where firefighters or victims may be located?

Answer 28

NO

Question 29

What is the reach with smooth bore or straight steam on a quick attack monitors?

Answer 29

185 feet

Question 30

Wide fog reach with an quick attack monitor is _____?

Answer 30

25 feet

Question 31

Penciling decreases building heat in a compartment by _____ to ____%

Answer 31

reduces heat by 50 to 60%

Question 32

What is the accepted practice for communications?

Answer 32

Use last names. Must be within sight, sound, or touch

Question 33

How do you estimate the stretch?

Answer 33

setback+width of building+length+1/2length per foor+ 1 length at point of attack

Question 34

Parking spaces are ____ feet

Answer 34

10

Question 35

telephone poles are approx _____ feet apart

Answer 35

75

Question 36

How many lengths should you have for the fire floor?

Answer 36

2 lengths

Question 37

Should lines be completely stretched if the location of the fire is not known?

Answer 37

No, not until location is known

Question 38

When is a split lay used?

Answer 38

When distances from the hydrant to the scene is too great or when the 1st engine will not pass the hydrant enroute to the scene

Question 39

What two options does the first engine have for command?

Answer 39

Hold Command or Request to transfer command

Question 40

When should the 1st Engine hold command?

Answer 40

when investigating with 1-2 units

If more than 3 units engine officers should not maintain command for the entire incident.

Question 41

When should the 1st Engine transfer command ?

Answer 41

When initiating offensive operations, request through 1st due BFC

Question 42

When does transfer of command occur?

Answer 42

after size up

Question 43

If the door to the fire area is found open and entry is not entering the officer shall, do what with the door?

Answer 43

close the door