121.16

Question 1

How does a member check for roof stability?

Answer 1

Sound with a tool.

Question 2

How would you warn members below you are about to break a skylight?

Answer 2

Break small amount of glass pause then continue or use portable radio.

Question 3

What indicators could you use to determine that you are over main body of fire?

Answer 3

1) Bubbling tar
2) fire showing
3) dry spots
4) melting snow

Question 4

What is a kerf cut?

Answer 4

Small triangular observation hole

Question 5

Describe a salvage cover

Answer 5

12’ x 18’ heavy duty plastic cover with 25 grommets on sides and ends

Question 6

When throwing a coverall what should be done to expel air?

Answer 6

Pull down sharply

Question 7

When using two salvage covers to form a floor cover how is seam made?

Answer 7

First cover folded back on self 8” then next cover is married on top then 2 folds of 4” each are made and then patted down

Question 8

When forming catch all what and where are the folds made?

Answer 8

Ends are 24” the sides are 18” and the corners are folded in but not patted down.

Question 9

When shutting gas off at curb valve where is it located and how do you shut it off?

Answer 9

Between curb and property line. Turn clockwise until it resists usually 6-20 turns depending on size.

Question 10

If a fire valve cannot be opened at first what may you do to assist yourself in gaining access?

Answer 10

Tap around the edge while applying pressure in counter clockwise direction.

Question 11

Can gas meter be turned off, If so explain?

Answer 11

Yes. Turn stopcock so the operating lug is crosswise to the pipe 1/4 turn.

Question 12

What is the term for the liberation of gaseous fuel vapors that are emitted when wood is heated?

Answer 12

Pyrolysis

Question 13

What is fire retardant wood treated with? What is its advantage under fire conditions?

Answer 13

Mineral Salts. More difficult to ignite and slows rate of burning.

Question 14

What is the term for plastics that melt under fire conditions and at what temperature does this process begin?

Answer 14

Thermoplastic materials. 500F

Question 15

What is commonly used structural material in a Type 1 building?

Answer 15

Protected steel

Question 16

Which type of construction is called ordinary construction and why?

Answer 16

Type 3 because it is used in a wide variety of buildings.

Question 17

The structural components of a ____ building will not burn. Define and give examples of this type of building’s structural components.

Answer 17

Type 1. Construction components are made of non combustible material such as steel, concrete, or gypsum board.

Question 18

Which type of construction features heavy timber and describe it in further detail?

Answer 18

Type 4. Exterior walls are masonry. Interior walls, columns, beams, floors and roof structure are made of wood.

Question 19

What is type 5 construction?

Answer 19

Wood frame. All major components are wood.

Question 20

Which structural component is composed of relatively small and lightweight components arranged in a series of triangles and what is its most common application?

Answer 20

Truss. Roof structures.

Question 21

What is the definition of smoke inversion?

Answer 21

Smoke hangs low to ground due to cool air.

Question 22

What is the term for an open space within a wall where wires and pipes run? How is it relevant to firefighting operations?

Answer 22

Chase. Can act as an Avenue for fire spread.

Question 23

Within a room or space, where are the hottest gases found and how high can temperatures reach there?

Answer 23

Highest level. 2200F

Question 24

What is the term for the transfer of heat through a circulating medium or liquid or gas?

Answer 24

Convection

Question 25

Which sort of air movement is more likely likely in a tall building in a day with extreme temps?

Answer 25

Downdraft

Question 26

In ordinary construction, exterior walls are made of _____?

Answer 26

Non combustible or limited combustible materials

Question 27

In which construction type are there uninterrupted channels in the walls from foundation to attic?

Answer 27

Balloon frame

Question 28

Which hazards are of particular concern when extinguishing a basement fire?

Answer 28

Smoke and heat venting up the stairs

Question 29

What device prevents firefighters from receiving a potentially fatal electric shock?

Answer 29

GFI’s

Question 30

The output range for portable lights is generally _____ watts?

Answer 30

300 to 1500 watts

Question 31

What is the term for operations undertaken to limit or reduce property loss following a dire, and what are the primary elements to protect from?

Answer 31

Salvage. Smoke and water.

Question 32

What is the term for operations undertaken to find and extinguish any remaining pockets of fire and what are its methods?

Answer 32

Overhaul. Opening up or hydraulic overhaul.

Question 33

The lighting and power equipment used on an emergency scene generally operate at ___?

Answer 33

110 volt AC

Question 34

Where should a rooms furniture be placed to best protect it for salvage and what Simon firefighter equipment should be used?

Answer 34

Center. Salvage tarp.

Question 35

It is permissible to remove SCBA during salvage operations after ____.

Answer 35

Atmosphere has been tested and found to be safe.

Question 36

The first portable light should be set up____.

Answer 36

At the entry point into structure.