Chapter 8 Flashcards
1
Q
Define cavitation
A
Formation and collapse of bubbles on impeller
2
Q
Define dry well
A
Dry compartment of lift station
3
Q
Define entrain
A
Trap bubbles in water
4
Q
Define flat
A
Length of one side of nut
5
Q
Define force .ain
A
Pipe that Carrie’s wastewater from discharge side of pump
6
Q
Define head
A
Verticle distance of water above set point
7
Q
Define impeller
A
Rotating set of vanes in pump
8
Q
Pneumatic injector
A
Pump using air
9
Q
Define volute
A
Spiral shaped casing that surrounds the pump
10
Q
Define wet well
A
Tank in which wastewater collects
11
Q
What are most common pumps in lift station s
A
Centrifugal
Pneumatic
12
Q
Define ARV
A
Air Release Valve
13
Q
What are flow capacities measured in
A
G.P.M.
14
Q
Define cavitation
A
Caused by excessive speed
15
Q
How many classes of GFCI
A
Two
Class A
Class B
