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ECFA-135 > Chapter 18 > Flashcards

Chapter 18 Flashcards

1
Q

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

A

Horizontal Ventilation

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2
Q

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

A

212 F or 100 C

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3
Q

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

A

Smoke and Heat

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4
Q

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

A

Glass or Glazing

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5
Q

Question: What does HVAC stand for?

A

Heating, Ventilation, and Air Conditioning

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6
Q

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

A

an inspection cut

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7
Q

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

A

Alone

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8
Q

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

A

Panelized

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9
Q

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

A

THe ceiling

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10
Q

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.

A

90

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11
Q

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

A

Glass

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12
Q

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

A

Backdraft

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13
Q

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.

A

Cockloft

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14
Q

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

A

Hydraulic

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15
Q

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

A

Circulate or spread

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16
Q

Question: What are the two broad categories of ventilation?

A

Natural and mechanical

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17
Q

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

A

Backdraft

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18
Q

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

A

Least resistance

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19
Q

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

A

Heated air, smoke and gases

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20
Q

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?

A

Rubbish hook

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21
Q

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

A

Full throttle

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22
Q

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

A

Pick head axe

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23
Q

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

A

Ridge Cut or Head cut

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24
Q

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

A

90 weight or 90W

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25
Q

Question: What does PPV stand for regarding ventilation?

A

Positive Pressure Ventilation

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26
Q

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?

A

Rollover OR Flameover

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27
Q

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

A

Conduction OR Convection OR Radiation

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28
Q

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

A

50

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29
Q

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

A

Thermal Level

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30
Q

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

A

Vertical Ventilation

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31
Q

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

A

Strip cut or Trench cut

32
Q

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

33
Q

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

34
Q

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

A

Ventilation

35
Q

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

36
Q

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

37
Q

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

38
Q

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

A

Ladder or Escape Route

39
Q

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

40
Q

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

A

Scare Or frighten.

41
Q

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

A

Carbon Dioxide or C02

42
Q

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

43
Q

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

A

Beams, Purlins, or Sides

44
Q

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

45
Q

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

46
Q

Question: How long are the chainsaw bars at ECFA?

47
Q

Question: name ONE contraindication of positive pressure ventilation

A

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

48
Q

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

A

the expandable cut

49
Q

Question: who should we co-ordinate ventilation with?

A

fire attack crew

50
Q

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

A

3 man crew

51
Q

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

A

backdraught and flashover

52
Q

Question: name 1 of the 3 types of ventilation?

A

positive pressure, horizontal, vertical

53
Q

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

A

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

54
Q

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

55
Q

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.

56
Q

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

57
Q

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

58
Q

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_______.

59
Q

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

A

Sound the roof

60
Q

Question: Channeled pathway for fire ventilation via horizontal openings?

A

Horizontal ventilation

61
Q

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

61
Q

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

62
Q

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

A

Mission Vision

63
Q

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

64
Q

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

A

Mechanical

65
Q

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

A

Offensive and defensive

66
Q

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

67
Q

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

68
Q

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

A

The handle or the “D” handle.

69
Q

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

70
Q

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

71
Q

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

72
Q

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

73
Q

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

A

At your back

74
Q

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

A

Combustion

75
Q

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

ECFA-135 (12 decks)

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