Chapter 18 Flashcards by Aurora SG

Question: Removal of smoke and heat through openings such as doors and windows is known as?

Horizontal Ventilation

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Question: : Water boils and turns to steam at what temperature?

212 F or 100 C

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Question: What two products of combustion are relieved through ventilation?

Smoke and Heat

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Question: When breaking a window for ventilation, it is important to remove all the ____ from the window.

Glass or Glazing

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Question: What does HVAC stand for?

Heating, Ventilation, and Air Conditioning

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Question: during a vertical ventilation operatin, after you sound the roof the next task that needs to be preformed is?

an inspection cut

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Question: the heat vents on roofs should be left ________ when doing ventilation?

Alone

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Question: THe roof that extends from the App bay to classroom at ECFA is called?

Panelized

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Question: WHat can you not forget to clear once you have finished making your cuts?

THe ceiling

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Question: When using a chainsaw to cut the roof, you begin at a 45 degree angle, and then change to an angle of ____ degrees in order to butt up against the rafter.

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Question: The quickest way to open a building for ventilation is to break ____.

Glass

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Question: Smoke-stained windows are one of the signs of what fire event?

Backdraft

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Question: The ______ is a space between the ceiling of the top floor and the bottom of the roof. It is often a route of major fire extension.

Cockloft

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Question: In ______ ventilation, water is employed to create air movement without the need for additional tools.

Hydraulic

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Question: The hotter the air the faster it will _______.

Circulate or spread

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Question: What are the two broad categories of ventilation?

Natural and mechanical

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Question: A smoke explosion is commonly referred to as ________.

Backdraft

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Question: Heat, smoke, and fire will always take the path of _______ _______.

Least resistance

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Question: Ventilation is a systematic removal of what three products?

Heated air, smoke and gases

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Question: What is the tool you use to push away the boards that are cut then push through the ceiling below on a ventilation cut?

Rubbish hook

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Question: You should operate the chain saw at ________ when making a ventilation cut?

Full throttle

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Question: On a steep pitched roof, what tool is used to make a foot hold on the side of the roof ladder?

Pick head axe

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Question: What is the first cut you do at the top of the roof?

Ridge Cut or Head cut

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Question: What type of oil is used for the bar of the chainsaw?

90 weight or 90W

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Question: What does PPV stand for regarding ventilation?

Positive Pressure Ventilation

Question: What do you call it when fire begins to ignite smoke overheard in "fingers of fire" that reach out and begin to fuel in the gaseous state?

Rollover OR Flameover

Question: Name one of the three methods of heat transfer that relate directly to ventilation?

Conduction OR Convection OR Radiation

Question: Conservative estimates say that the presence of a screen in a window reduces the airflow by approximately _____ percent.

Question: What is a layer that is of the same approximate temperature?

Thermal Level

Question: What is a channeled pathway for fire ventilation via vertical openings?

Vertical Ventilation

Question: What is the defensive ventilation action called when a strip is cut used to cut off fire extension?

Strip cut or Trench cut

Question: According to the book, what is it called when everything in a confined area ignites at almost the same time?

Flashover

Question: What is it called when unburned smoke is heated in the absence of oxygen and, when oxygen is introduced, produces an explosive force?

Backdraft

Question: ______________ is the relief of the products of combustion from an enclosed areAnswer:

Ventilation

Question: When performing a roof ventilation operation, how many sides of the building need to be laddered?

two

Question: When ventilating a roof, the offensive type of cut over the fire is known as a ______ ______.

Heat Hole

Question: When ventilating a roof, it is best to have how many escape routes?

Question: When ventilating a roof, we want to ventilate back towards the __________.

Ladder or Escape Route

Question: What are the strongest points of a building and are good places to ladder the building?

Corners

Question: Guard and watch dogs both have a common purpose which is to ______ an intruder.

Scare Or frighten.

Question: The primary monitor in the body that regulates breathing is the level of _____ _______ in the blood.

Carbon Dioxide or C02

Question: When doing hydraulic ventilation, ideally, the stream should fill __% of the opening.

90%.

Question: When walking or working on a panelized roof, you should always stay on the _______.

Beams, Purlins, or Sides

Question: Ventilating the roof on the other side of where the fire is will likely cause the fire to _______.

Spread

Question: When moving toward the objective primary vent hole, smoke __________ holes should be cut to determine conditions below.

Indicator

Question: How long are the chainsaw bars at ECFA?

20 Inches

Question: name ONE contraindication of positive pressure ventilation

imminent rescue needed, working fire attack, unknown fire location, no proper exhaust point, possible over pressurization

Question: this is the most effective, quickest, & efficient way to get a large opening for vertical ventilation

the expandable cut

Question: who should we co-ordinate ventilation with?

fire attack crew

Question: what is the minimum amount needed to ventilate (per crew) ?

3 man crew

Question: ventilation reduces the risk of __________ & ___________ for FF's?

backdraught and flashover

Question: name 1 of the 3 types of ventilation?

positive pressure, horizontal, vertical

Question: Which tool is used as a back up for ventilating the roof if the chainsaw becomes non-operational?

Axe,Fire axe, pick head axe, flat head axe

Question: What should not be done to an Axe head because it may cause it to get stuck when making cuts on a roof?

paint it

Question: Some signs of potential _______ are smoke pushing out under pressure, smoke-stained windows, and puffing of smoke at seams and cracks of windows and doors.

backdraft

Question: Before letting go of a chainsaw while handing it off to a crewmember, wait for them to say what?

GOT IT!

Question: To aid in walking on roofs, it is important to remember plywood sheets are what size?

4x8 feet

Question: When using the rubbish hook...it is important to use the handle end and hit farther into the louver cut to bust through the_______.

CEILING

Question: Before stepping off a ladder to walk on a roof, you must always do what?

Sound the roof

Question: Channeled pathway for fire ventilation via horizontal openings?

Horizontal ventilation

Question: the portion of a property that faces and actually touches the street?

Frontage

Question: When water turns into steam, it expands _______ times.

1,700

Question: A "blinder" view of the work being performed because the mission of the individual is overriding all other activities is called what?

Mission Vision

Question: In terms of ventilation, when the need to remove glass is evident, the entire window should be ____.

Removed

Question: ______ Aids can accelerate the air movement and even reverse the airflow against natural air current movement when ventilating.

Mechanical

Question: In terms of tactical function, name the 2 types of vertical ventilation openings.

Offensive and defensive

QUESTION: THE _____ CUT IS PRIMARILY USED AS AN OFFENSIVE HEAT HOLE, OFTEN USED ON BUILDING CONSTRUCTION THAT UTILIZES PLYWOOD?

LOUVER

Question: What is the name of the leather axe holder?

Scabbard

Question: What side of the rubbish hook is used to punch down through the ceiling?

The handle or the "D" handle.

Question: A ________ is a wood beam that is placed perpendicular to trusses to help support roof decking.

Purlin

Question: A ______ is a wood member that that is attached to a ridge board to help form a peak.

Rafter

Question: Blood cells absorb carbon monoxide ________ times faster than oxygen, resulting in rapid rate of poison absorption.

210

Question: When using a water stream to ventilate out a window, a spray stream setting should be a ______ to _______ degree angle?

30 to 60

Question: Ideally when ventilating, the direction of the wind should be?

At your back

Question: Light, smoke, and heat are liberated as part of the ________ process?

Combustion

Question: When sizing up smoke, always check for: velocity, density, volume, and ________.

Color