Taxpayers Flashcards
TXPR:
Open web steel joists are particularly vulnerable to elevated temperatures of a fire and may collapse after how many minutes?
5 to 10
TXPR:
Axial Load is a force ____ to the supporting member. An Axial load is ____ and ____ and is evenly applied to the bearing structure
Perpendicular, straight, true
TXPR:
An eccentric load is a force whose resultant is perpendicular to the supporting member but does not pass through the center of the mass. The load is ____ evenly applied to the supporting or bearing member
Not
TXPR:
Standard gypsum planks are ____ inches thick, ____ feet wide, and ____ feet long
2, 2, 8
TXPR:
A marquee is a permanent hood which projects over an entrance to a building and is or is not supported by posts or columns?
Is not
TXPR:
A canopy is or is not a supported, rooflike covering which projects from a wall as an ornamental feature?
Is a supported
TXPR:
A taxpayer is commonly taken to mean a business structure ____ to ____ stories in height
1 to 2
TXPR:
The area varies from ____ ft x ____ ft to areas of whole city blocks, the most common being approximately ____ ft x ____.
20ft x 50ft, 100ft x 100ft
TXPR:
These buildings are usually single structures housing as many as 1 to ____ different businesses.
15
TXPR:
In the older type taxpayer usually one story in height are you able to remove the cornice to gain access to the cockloft area?
Yes
TXPR:
True or false, the most prevalent type were built from the 1920’s in the 1960’s. They are usually larger in area than the older types and many are one tenant occupancies, such as supermarkets, bowling alley’s, restaurants, factories, etc.
True
TXPR:
Size of cockloft?
4 inches to more than 6 ft
TXPR:
Updated calculations have revealed that bowstring truss roofs may only support ____% of the load they were originally designed to hold
40
TXPR:
Steel trusses tend to ____ when losing their strength because of elevated temps but wood tends to ____
Stretch, Snap
TXPR:
Do open web steel joists have a fire resistance rating? They are used to span distances up to ____ feet?
No, 60ft
TXPR:
Open Web Steel joists are particularly vulnerable to elevated temps and may collapse after only how many minutes?
5 to 10
TXPR: an average 50 foot long steel beam, heated uniformly over its length to 970F will extend in length approximately how many inches? At 1000F a 100ft long beam will have extended in length how many inches?
4, 9.5
TXPR:
When these steel beams are heated from ____ to ____ their yield strength drops dramatically and they start to soften and fail
1000F to 1500F
TXPR: Cast iron columns are unpredictable and fail, on the average, in about ___ minutes in fire endurance tests
30
TXPR:
One of the indications of collapse at a fire in a taxpayers is the inability to make successful headway against a heavy fire condition in how many minutes?
20
TXPR:
It is recommended that units encountering fires in Smoke Shops stretch a ____ handline and proceed with extreme caution.
2 1/2 inch
TXPR:
What are the colors of smoke associated with a backdraft?
Dense blk, Dirty Brown, Yellow Brown, Gray Yellow
TXPR:
True or false? All horizontal and initial vertical ventilation tactics must be controlled, communicated, and coordinated by the Ladder Company Officer?
True
TXPR:
Recommended size of ventilation hole at taxpayer fire?
8ft x 8ft
TXPR:
The immediate ventilation and cutting of an effective size hole on the roof calls for how many saws and how many members?
2 and 4
TXPR:
True or false? There is no need for a roof sector supervisor when more than one power saw is in operation on the roof?
False
TXPR:
Can a company officer be designated the roof sector supervisor? If cutting operations are CRITICAL the roof sector supervisor must be a ____
Yes, Chief
TXPR:
When cutting the floor to a taxpayer the cuts should be located where? And all such cuts should be covered by ____
As near to the windows as possible and away from doorways and aisles. Hoselines
TXPR:
A trench cut on the roof of a taxpayer should be atleast ____ ft wide
3
TXPR:
Tower Ladder streams are the most effective, versatile and mobile large caliber streams that we have. A properly positioned TL can cover a building with a frontage of ___ ft?
100
TXPR:
A minimum of ____ portable ladders shall be placed on the front of buildings. Their purpose is to provide an alternate means of egress from the roof. They shall also be placed to indicate the boundaries of the fire building or the location of division walls with the boundaries of the fire.
2
TXPR:
True or false? All sides of the building shall be covered with portable ladders?
True
TXPR:
True or false: Under no circumstances shall any member operate on the roof of a building involved in a content or structural fire with a wooden, metal or combination bowstring truss design.
True
TXPR:
True or false. One of the main differences of the newer type taxpayers built since the 1960’s is that the the joists that are used to support the floors and roof will be steel instead of wood?
True
TXPR:
In older type bowstring truss roof buildings, the trusses may be spaced how many feet apart?
10 to 20ft
TXPR:
A room or fire area requires only ___% of its space to contain the explosive mixture for the entire area to possibly explode
25%
TXPR:
When HEAVY or MEDIUM fire conditions are encountered the initial lines should be ___ inch
2.5
TXPR:
If the striking power and water capability of ___ inch hoselines are not required after the initial attack, they can be reduced to ___ inch lines for subsequent operations
- 5
1. 75
TXPR:
When compatible with fire conditions, ___ inch lines can be used in exposures.
1.75
TXPR:
True or false: In many cases where entry is delayed or where the pulling of ceilings is impossible due to fire conditions or ceiling construction, a hoseline or lines operated properly into a trench cut may confine the fire. Before these lines are operated all members in the store must be withdrawn?
True
TXPR Cellar Fire:
True or false:
When there is an interior stair to the cellar, especially if it is an open stair, and conditions permit, the first line must be stretched to this point to prevent the spread of fire and to permit operations on the first floor. When the line can be advanced down the cellar stairs it should do so. A second hoseline must be stretched to the top of the stairs to protect the members in the cellar and prevent the upward extension of fire.
True
TXPR: Cellar Fires:
True or false:
If it is impossible to stretch a line into the cellar via the interior stairs, lines must be operated from front or rear exterior entrances. Cellars of large area or heavy fire conditions may require two lines advancing in unison?
True
TXPR: Cellar Fires:
First Engine shall stretch the first line where?
Into the occupancy above the fire to prevent vertical extension.
TXPR: Cellar Fires:
True or false:
The second line may be used for any of the following:
1. To control the first floor if the first engine company has advanced into the cellar via the interior cellar entrance.
2. Serve as a backup or protection line for the first engine company.
3. Stretch into the cellar via the interior stairs or the outside entrance if the first units line has to control the first floor.
4. To employ the use of cellar pipes or distributors over the fire.
True
TXPR: Cellar Fires:
What company shall ENSURE the sprinkler system is supplied?
Third Due Engine
TXPR: Store and Cockloft fires:
At taxpayer fires during business hours, there may be major life hazards. The first arriving engines must position their lines if possible, between the people and the fire. BREAK THE STORE FRONT WINDOWS FOR LINE ADVANCEMENT AND LEAVE THE EXIT DOORS FREE FOR THE PEOPLE TO USE
True
TXPR: Store fires:
The first ___ handlines should be stretched to the store involved.
2
TXPR: Cockloft fires:
True or false:
First engine company: When fire has control of the cockloft and the need for exposure protections is CRITICAL, position the engine to utilize the deckpipe. In-line pumping will give good positioning and allow room for placement of a TL. Stretch a handline into the MOST SEVERELY exposed occupancy/building, depending on life hazard and the location and severity of the fire. When exposures are not an immediate problem, then the first line should be stretched into the store under the main body of fire and operated to extinguish the fire
True
TXPR: Cellar fires:
True or false:
Floors should not be cut until a hoseline is in postion to protect personnel and prevent fire extension
True
TXPR: Cellar Fires:
True or false:
When sending members into cellars to shut down utilities TWO mask equipped members shall be dispatched as a team?
True
TXPR: Cellar Fires:
True or False:
After setting up apparatus ladder company chauffeur shall
join the forcible entry team if not otherwise directed?
True
TXPR: Store Fires:
True or false:
Ventilation of the store at the front by removal of the show window shall be done if ordered by who?
IC
TXPR: Cellar/Store/Cockloft Fires:
Who is responsible for shutting down utilities?
First due forcible entry team
TXPR: Store or Cockloft fire:
True or false:
The 1st due LCC shall join the forcible entry team. If fire extends to the cockloft, proceed to the roof to assist the roof FF
True
TXPR: Store/Cockloft Fires:
True or False:
When the member going to the roof is carrying the saw, a hook must also be taken. Members going to the roof subsequently should bring an ax or iron with the saw if available.
True
TXPR: Store/Cockloft fires:
True or false:
Truck companies, other than first or second arriving on the initial alarm, should report in with their 10 and 12 foot hooks besides their normal tool compliment
True
TXPR:
True or false:
For a fire on the 2nd flr of a two story taxpayer added emphasis must be given to the following:
-The need for an aerial ladder to the roof for ventilation.
-The forcible entry team should use the stairway to the 2nd floor
True
TXPR: Store Fires:
True or false:
Ventilation of the store at the front by removal of the show window shall be done if ordered by who?
IC
TXPR: Cellar/Store/Cockloft Fires:
Who is responsible for shutting down utilities?
First due forcible entry team
TXPR: Store or Cockloft fire:
True or false:
The 1st due LCC shall join the forcible entry team. If fire extends to the cockloft, proceed to the roof to assist the roof FF
True
TXPR: Store/Cockloft Fires:
True or False:
When the member going to the roof is carrying the saw, a hook must also be taken. Members going to the roof subsequently should bring an ax or iron with the saw if available.
True
TXPR: Store/Cockloft fires:
True or false:
Truck companies, other than first or second arriving on the initial alarm, should report in with their 10 and 12 foot hooks besides their normal tool compliment
True
TXPR:
True or false:
For a fire on the 2nd flr of a two story taxpayer added emphasis must be given to the following:
-The need for an aerial ladder to the roof for ventilation.
-The forcible entry team should use the stairway to the 2nd floor
True
