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20 Cards in this Set
- Front
- Back
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What is a dry barrel hydrant |
A fire hydrant that does not have any water in the barrel |
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What is the wet barrel hydrant |
A fire hydrant that has water in the barrel all year round |
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What is the most available resource for fire suppression |
Water |
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What are the main types of water supply |
Direct pumping, Gravity, and combination systems |
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How large are water mains |
8 inches |
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What do you use to test a hydrants flow pressure |
A pitot tube |
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What is a light blue topped hydrant rated for |
1500 gpm or greater |
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What is a green topped hydrant rated for |
1000 gpm - 1499 gpm |
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What is an orange topped hydrant rated for |
500 gpm - 999 gpm |
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What is a red topped hydrant rated for |
Less than 500 gpm |
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How many inches of water should surround a strainer in drafting operations |
24 inches |
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What is a water shuttle |
When you use portable tanks and water tenders instead of tagging a hydrant |
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What is hard suction |
Long hard semi flexible hoses used for drafting |
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Where are wet barrel hydrants found |
Anywhere where freezing temperatures are not a concern |
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Where are dry barrel hydrants found |
In areas where freezing temperatures are common |
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What is the proper way to open a hydrant |
Slowly and fully |
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Where are good drafting locations |
Pools, large ponds, rivers |
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Why do you open and close hydrants slowly |
To prevent water hammer |
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What is relay pumping used for |
When the distance to a hydrant is to great |
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What is relay pumping |
When one or more pumps are used to transport water to the scene |
