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Chapter 21: Life Safety Systems in Buildings > Chapter 21: Life Safety Systems in Buildings > Flashcards

Chapter 21: Life Safety Systems in Buildings Flashcards

1
Q

A combustion reaction that requires oxygen (air), heat, and a fuel.

A

Fire

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2
Q

The temperature at which a fire can start when a flame or spark begins the combustion reaction.

A

Piloted Ignition

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3
Q

Four stages in the progression of a fire.

A
  1. Ignition
  2. Flame Spread
  3. Flashover
  4. Consumption
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4
Q

This fire progression stage requires the proper blend of oxygen (air), heat, and fuel.

A

Ignition

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5
Q

The rapid crawling tongues of fire that lick across the surface of walls, ceilings, floors and supporting timbers.

A

Flame spread

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6
Q

When the mixture of gases and air reach critical proportions, the material ignites in a great ball of fire. This is called ________.

A

Flashover

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7
Q

The fire progression stage where the materials itself burns to ash.

A

Consumption

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8
Q

What group of fuel does wood, paper, plastics, trash, grass, and so on belong to?

A

Group A: Ordinary Combustibles

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9
Q

What group of fuel does gasoline, oil, grease, acetone, and so on belong to?

A

Group B: Flammable Liquids

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10
Q

What group of fuel does gasoline, oil, grease, acetone, and so on any electrical wiring, connection, equipment, and so on belong to?

A

Group C: Electrical Equipment

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11
Q

What group of fuel does potassium, sodium, aluminum, magnesium, and so on belong to?

A

Group D: Combustible Elements

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12
Q

A noncombustible material, yet it displays a significant loss in strength at high temperatures.

A

Steel

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13
Q

A material that is a good insulator, but when it is exposed to fire at temperatures as low as 300°F (150°C), it will burn until it is destroyed. In a fire, wood loses strength by charring.

A

Wood

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14
Q

Similar to brick in thermal performance, it loses strength gradually during exposure to high temperatures.

A

Concrete

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15
Q

These materials are relatively stable in a fire with good thermal performance.

A

Fire Clay Masonry

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16
Q

Give the category by combustibility by the description of the structure below:

Noncombustible wall, ceiling, and floor assemblies; concrete, masonry, and protected steel walls, floors, and structural framework. Roof covering is non-combustible.

A

Fire-resistive (Type I) construction

17
Q

Give the category by combustibility by the description of the structure below:

Structure consists of large solid wood timbers.

A

Heavy-timber (Type IV) construction

18
Q

Give the category by combustibility by the description of the structure below:

Interior framing and exterior walls are constructed of slender repetitive wood studs, joists, rafters, and trussers that burn very rapidly.

A

Wood-frame (Type V) construction

19
Q

Give the category by combustibility by the description of the structure below:

Non-combustible masonry-bearing walls, but the floors, structural framework, and roof can be made of wood or another combustible material

A

Ordinary (Type III) construction

20
Q

Give the category by combustibility by the description of the structure below:

Noncombustible steel or concrete walls, floors, and structural framework. Roof covering is combustible.

A

Noncombustible (Type II) construction

21
Q

Protection in buildings that involves constructing walls, floors, ceilings, beams, columns, and shaft enclosures so they can resist, control, and contain the damaging effects of a fire.

A

Passive Fire Protection

22
Q

These are typically made out of steel or solid wood construction and are installed with specially tested components including closers, latching hardware, and fire-rated glass lites.

A

Fire doors

23
Q

It contains flames and inflammable gas for a short period of time, but does not prevent the transmission of heat to the other side of the glazing

A

Fire-resistant heat-transmitting glass

24
Q

It contains flames and inflammable gas for a longer period of time and prevents not only the transmission of flames and smoke but also of heat to the other side of glazing.

A

Fire-resistant insulating glass

25
Q

It automatically close to obstruct smoke and fire from a building blaze.

A

Fire dampers

26
Q

It describes the surface-burning characteristics of a building material.

A

Flame-spread rating (FSR)

27
Q

Class A or I has a good resistance to flame spread. It has a flame-spread rating of ______.

A

0-25

28
Q

Class B or II has a fair resistance to flame spread and has a flame-spread rating of _____.

A

26-75

29
Q

Class C or III has a poor resistance to flame spread with a flame-spread rating of ______.

A

76-200

30
Q

Protection systems that include standpipe, sprinkler, and spray systems designed to extinguish the fire outright or control the fire by delaying its damaging effects.

A

Active fire protection

Chapter 21: Life Safety Systems in Buildings (1 decks)

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