Chapter 3 Engine Company Operations Flashcards
What are the 3 methods of fire attack
direct
Indirect
Combination
In a well involved room what is the typical ceiling temperature?
1300F
What is the cause of decline in temperature in todays fire prior to arrival of fire department?
lack of oxygen
What is the weight of dry and charged length of 1 3/4 hose
40 and 80
What are the 2 errors common to combination attack?
Nozzelman forgets to check stream pattern
Leaving the stream up on the ceiling too long
Where do most backdrafts seem to occur?
In commercial buildings at night
What are the basic requirements for indirect fire attack
high heat conditions throughout area
limited ventilation of fire area
point on perimeter to make a small opening for 30 degree fog
no endangered occupants in need of rescue
Limited size of the potential fire area
How many gallons of steam is each gallon of water converted to?
1500-2000gallons
What are the three choices of operating mode?
Initiate an offensive attack
Establish defensive positions
Take no action at all
What are the factors that dictate which operational mode used?
size of fire
Threat to exposures
Resources available
Life hazards
What is the highest priority of defensive fires?
Protecting exposures
Why is water curtain a poor tactic?
Water is a poor absorbent of radiant heat
What is the intent of ventilation?
Create a flow path that removes the products of combustion without it traveling over and around the nozzle team
How many minutes is a danger sign in the average house or apartment fire?
10 min
