Tb 149 - 179 Flashcards
(138 cards)
First responders usually arrive to a structure fire in________minutes?
7 to 10 minutes
Residential sprinklers will cover how many square feet?
12 x 12
Home fires reach deadly proportions within how many minutes?
Three minutes
Residential fire sprinklers are required when a portion of a patio extends how many feet from an exterior wall?
4 feet
Statistically________ of all fire deaths occur at home?
2/3
All of the following are true about residential sprinklers
Temperature range 135 to 175
Prevents flashover
Quicker, activating heads
Can flow two heads for 10 minutes
Residential sprinklers are required when building and unattended structure _________ feet or longer?
200 feet
Residential sprinkler law came effective when?
January 1, 2011
Minimum residential sprinkler water requirements are capable of flowing?
Two heads
Residential sprinkler law applies to all new?
One and two family dual and manufactured homes
Which of the following are true about residential sprinkler signage?
Required
Non-regulated
All the following sprinkler piping can be used in residential construction?
Copper
Black pipe
Thin walled steel
Schedule 40
Due to cost, fabrication time in fire resistiveness chlorinated polyvinyl chloride pipe is commonly used in residential sprinkler systems. CPVC is a lightweight_________ rigid plastic pipe?
Orange
Residential sprinklers reg 4 tested?
Never, only when construction is complete
Do painted sprinkler heads hamper operation?
Yes, always
Tb says sometimes
Due to cost, fabrication time in fire resistivness, lightweight_______ pipe is commonly used in residential sprinkler systems?
Life expectancy of sprinkler heads?
Can cover sprinkler head while painting with Max thick plastic?
CPVC
50 years
3 mil plastic
The Drager X AM, 5000 gas detector monitors all the following gases?
- 4 gas specific sensors
Hydrogen Sulfide H2S*
CO *
02 *
Hydrogen Cyanide HCN*
Explosive vapors
Methane
The Drager, X AM, 5000 gas detector she’ll be calibrated a minimum of every?
Six months
The Drager 5000 she’ll be use for all the following?
Confined space
Hazmat
What type of sensor does the drager 5000 use for gas detection?
Catalytic combustible
All the following is true about the Drager 5000?
Water safe
Intrinsically safe
No mechanical pump
With the Drager 1/3 battery full symbol flashes on the right side of the display, the battery will last for how many more minutes?
20 minutes
While using the Drager 5000, if oxygen is greater than _____ percent. It is unsafe and you shall leave?
23.5
When using the Drager 5000 and the oxygen is less than_______ percent the meter may reading, incorrect?
10