Week 7 Flashcards
The height of the ceiling area in the mezzanine area will be above or below average?
Below average in mezzanine and the area below. FFP Taxpayers
Rules for sprinkler protection 1938 Code.
Area exceeding 10000 sq/ft. FFP Taxpayers
Rules for sprinkler protection 1968 Code.
Area exceeding 7500 sq/ft. FFP Taxpayers
Rules for sprinkler protection 2008 Code.
Full building exceeding 12000 sq/ft or combined areas on all floors exceeding 24000 sq/ft. Occupancy within building area exceeding 7500 sq/ft , or 3 stories above grade, or in High Rise, or unenclosed stair or elevator connecting two floors. FFP Taxpayers
Cockloft size taxpayer.
4” to 6’. FFP Taxpayers
Updated calculations have revealed that bowstring truss roofs may only support what percentage of their original load?
40%. FFP Taxpayers
Open web steel joists can span distances of up to how many feet?
Up to 60’. FFP Taxpayers
Unprotected open web steel joists may collapse under fire conditions in _____ to _____ minutes.
5 to 10. FFP Taxpayers
An average 50’ long steel beam, heated to 970F will extend how far?
Approximately four inches. FFP Taxpayers
At 1000 F a 100’ I beam will extend how far?
9 1/2 “ FFP Taxpayers
Cast iron columns can fail in how many minutes in fire endurance tests?
About 30 minutes. FFP Taxpayers
A fire burning out of control for how many minutes is an indication that there is a potential collapse situation?
20 minutes or more. Particularly in open floor area. FFP Taxpayers
Backdraft colors as per FFP Taxpayers.
Dense black. Dirty Brown. Yellow Brown. Gray Yellow. FFP Taxpayers
A room or fire area requires how much of it’s space to contain the explosive mixture for a backdraft?
25%. FFP Taxpayers
When operating at an URR, where should members and passengers walk?
Area outside the rails, opposite the third rail. FFP URR
What is the shape of an underground TUNNEL?
Square. FFP URR
What is the shape of an underground TUBE?
Round. FFP URR
When dealing with URR, which stairs are often steeper, concrete or metal?
Metal, open treads. FFP URR
Are URR standpipes wet or dry.
Wet. FFP URR
Where are the standpipe Siamese located with URR?
Emergency exit closest to the river. FFP URR
2 1/2” outlets are located how far apart throughout URR tubes?
Every 200’ FFP URR
Section valves are located how far apart throughout URR tubes?
Every 600’. FFP URR
Where are the sound powered phone jacks located in URR tubes?
At standpipe outlets. FFP URR
How far apart are power removal boxes in URR tubes?
Every 600’. FFP URR