Chapter I Flashcards
Flow pressure is less than ____ static pressure due to the friction loss in the hose or carrier
- static pressure
Flow pressure is the amount the ____ drops after the attack line is flowing
- intake gauge
A hose line is simply a long cylinder. The difference between a water tank and hose is the _____
- unit of measure
Which laws state that as a substance passes between solid and liquid states, it will absorb and release heat
- The law of the latent heat of fusion
While water is mostly used for its cooling abilities, it can also extinguish fires by_____.
- smothering or diluting
When 1 pound of water turns to ice it releases ________.
- 143.4 btu’s
The downward pressure of a liquid in an open container is proportional to its___________.
- density
While using an indirect attack, steam expansion removes what side of the fire tetrahedron as well as cooling the entire area
- Air
____ the amount of energy or weight applied at a given point
- Force
An important note to remember is that nearly _____ times more heat energy is absorbed converting water to steam compared to what is required to raise the temperature from 60°F to 212°F
- 6
The downward pressure of a liquid on the bottom of an open container is_________ of the shape or size of the container
- independent
One cubic foot of water is equal to ______ gallons
- 7.48
_____ is the pressure of the water after opening the nozzle and water is flowing
- Flow Pressure