Term
| What is the most common extinguishing agent? |
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Definition
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Term
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Definition
| The amount of water that can be flowed |
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Term
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Definition
| Amount of water required for putting out the fire |
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Term
| Why is water a great extinguishing agent? |
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Definition
1.It absorbs large amounts of heat from fire.
2.It cools the fuel below its ignition temperature. |
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Term
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Definition
| pockets of the earth where groundwater collects. |
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Term
| If a vehicle has a tank larger than this amount it is primarily used to transport water and is called a what? |
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Definition
tank capacity of over 1,000 gallons
used to transport water is called a Tender. |
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Term
| What are the three types of water distribution sytems? |
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Definition
| Gravity Fed, Pumped System, and Combination Gravity-Pumped System |
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Term
| This type of water distribution system is the most common. |
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Definition
| Combination Gravity-Pumped System. |
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Term
| What are the two major hydrant types? |
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Definition
| Wet Barrel and Dry Barrel |
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Term
| This type of hydrant is used in areas that are not subject to freezing temperatures, have water in the barrel up to the valves of each outlet, and allow each outlet to be controlled by a separate valve. |
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Definition
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Term
| Connecting additional lines to this type of hydrant while flowing requires the entire hydrant to be shut down until the new connect is made? |
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Definition
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Term
| Good water distribution systems are interconnected with these which allow mulitdirectional supply and reduce dead end mains that cannot provide adequate pressure or volume? |
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Definition
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Term
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Definition
| The pumping of water from a static source (i.e., pond or stream) by taking advantage of atmospheric pressure to force water from the source into the pump. |
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Term
| What are the three hydrant cap colors and what do they mean (in psi)? |
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Definition
Red = 0-50 psi
White = 51-119 psi
Green = 120+ psi |
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Term
| What are the four Hydrant top colors and what do they mean (in GPMs)? |
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Definition
Red = 0-500 gpm
Orange = 501-999 gpm
Green = 1000-1499 gpm
Blue = 1500+ gpm |
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Term
| To turn off a gate valve, you turn which way? |
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Definition
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Term
| What are the 4 different types of 4 way hose connectors? |
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Definition
1)Blake
2)Akron
3)Humat
4)Four way hybrid (Legear). |
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Term
| What are the four components of the water supply system? |
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Definition
1)The source of supply(reservoirs, lakes, ponds, swimming pools)
2)The processing of treatment facilities
3)Means of moving(mechanical or gravity based)
4)The distribution system, including storage(pipes and grids) |
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Term
| What are the four Oakland hydrant colors and their meaning? |
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Definition
White - EBMUD
Yellow - Military
Green - Airport (salt water system)
Regional Parks
Red - Private
EBMUD (suction hydrants) |
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Term
What does this symbol mean:
-> |
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Definition
| Indicates the hydrant is on a dead end main |
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Term
What does this symbol mean:
->| |
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Definition
| Indicates the hydrant is the LAST hydrant on a dead-end main |
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Term
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Definition
Static- Pressure w/out water movement. No flow.
Flow- Amt of pressure through the pipes traveling into the hydrant
Residual- The amt. of pressure in a system after the water has begun flowing
Normal Operating- Pressure @ which the system was designed to operate. |
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Term
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Definition
| The loss of pressure, due to resistance to motion between the water and the inside of the hose or pipe. |
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Term
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Definition
| Circulation of air through water. Makes water lighter therefore surface tension is less. |
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Term
| Increased speed creates more ______________. |
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Definition
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Term
| The loss of pressure due to resistance to motion between water and the inside of a hose or pipe. |
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Definition
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Term
| Three factors of Friction Loss are? |
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Definition
| Size, Length, and Condition of hose or pipe. |
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