Term
Name the three methods of moving water. Which one does Oakland use? |
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Definition
Direct pumping, gravity, and combination.
Oakland has a combination system. |
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Term
Name the four types of pressure. |
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Definition
Static, flow, risidual, and normal operating. |
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Term
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Definition
Velocity is the rate of speed of the water as it moves through a pipe or hose. |
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Term
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Definition
Friction loss is 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
Where does our water system originate? |
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Definition
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Term
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Definition
A Clear Well is the first reservoir for potable water, after the treatment at a filter plant. |
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Term
A fire hydrant which receives water from only one direction is known as a __________ hydrant. |
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Definition
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Term
The three main parts of a gridded water distribution system are ________, _________, and __________. |
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Definition
Primary feeders(24"-54"), secondary feeders(12"-24"), and distibutors(4"-10"). |
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Term
Gate pot covers colors are_________,_______, and ________. There colors mean what? |
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Definition
Red= A closed zone valve. Blue= An open valve. White= A hydrant gate valve. |
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Term
Approximately how many hydrants are in the city of Oakland? |
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Definition
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Term
This symbol -> indicates what? |
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Definition
This symbol indicates a hydrant on a dead-end main. |
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Term
This symbol ->| indicates what? |
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Definition
This symbol indicates the hydrant is the last hydrant on a dead-end main. |
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Term
A red cap on a hydrant indicates what? |
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Definition
A red cap indicates 0-50 psi. |
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Term
A white cap on a hydrant indicates what? |
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Definition
A white cap indicates 51-119 psi. |
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Term
A green cap on a hydrant indicates what? |
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Definition
A green cap indicates 120+ psi. |
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Term
A red topped hydrant indicates what? |
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Definition
A red topped hydrant indicates 0-500 gpm. |
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Term
A orange topped hydrant indicates what? |
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Definition
A orange topped hydrant indicates 501-999 gpm. |
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Term
A green topped hydrant indicates what? |
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Definition
A green topped hydrant indicated 1000-1499 gpm. |
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Term
A blue topped hydrant indicates what? |
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Definition
A blue topped hydrant indicates 1500+ gpm. |
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Term
Zones cover approximately how many feet of elevation? |
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Definition
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Term
How many suction hydrants are there? |
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Definition
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Term
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Definition
The loss of pressure due to the friction between the water and the walls of the pipe and the friction between water molecules. |
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Term
By doubling the size of the pipe, it's carrying capacity is increased almost _______ times. |
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Definition
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Term
A PWSS can lay line for approximately how far? |
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Definition
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Term
The four components of a water supply system are__________, ___________, _________, and ___________. |
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Definition
The source of supply, the processing or treatment facilities, the mechanical or other means of moving water, and the distribution system, including storage. |
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