California Water Distribution Grade 3
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Practice questions for this set
Learn 1 /7 Study with Learn
Outside screw and yoke. Most common design to see position.
Choose an answer
1 Rotometeres. 2 Centrifugal suction lift limitation.
3 OS&Y gate valve. 4 Confined space blower guidlines.
Don't know?
Terms in this set (131) Hide definitions
,R.P.P.A. Reduced pressure principal assembly.
Backflow prevention for back siphonage and back
pressure.
American Public Works Association White=proposed excavation
color codes. Pink=temporary survey markings
White,pink,red,yellow,orange, blue, red=electric power
purple and green yellow=gas,oil and steam
orange=communications(phone/cable)
blue=water
purple=reclaimed water
green=sewer and storm drains.
Distance between water and sewer Running parallel-at least 10ft apart.
lines.
Perpendicular crossing-water lines at least 1ft
above sewer.
Common trench-water and sewer must not be in
same trench.
, Water main and force main Parallel-at least 10ft apart.
regulations.
Perpendicular crossing-Water lines at least 1ft
above and force main should be encased 10ft in
both directions.
New water lines installed over force mains should
be rated to 200psi or equivalent.
Force mains over 1000ft must have clean outs every
600ft.
Fire extinguishers Class A, B, C, D A=ordinary combustibles. Wood, paper, cloth trash
and K and plastic.
B=Flammable liquids. Gasoline, petroleum oil and
paint.
C=Energized electrical equipment. Motors,
transformers and appliances.
D=Combustible metals. Potassium, sodium,
aluminum and magnesium.
K=Cooking oils and grease.
Drawdown Difference between the static pumping level and
the pumping water level.
Residual drawdown A lowered water level that remains for a period of
time after pumping has been stopped.
Cone of depression Depressed water surface around a well when
pumps are operating.
Leave the first rating
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Outside screw and yoke. Most common design to see position.
Choose an answer
1 Rotometeres. 2 Centrifugal suction lift limitation.
3 OS&Y gate valve. 4 Confined space blower guidlines.
Don't know?
Terms in this set (131) Hide definitions
,R.P.P.A. Reduced pressure principal assembly.
Backflow prevention for back siphonage and back
pressure.
American Public Works Association White=proposed excavation
color codes. Pink=temporary survey markings
White,pink,red,yellow,orange, blue, red=electric power
purple and green yellow=gas,oil and steam
orange=communications(phone/cable)
blue=water
purple=reclaimed water
green=sewer and storm drains.
Distance between water and sewer Running parallel-at least 10ft apart.
lines.
Perpendicular crossing-water lines at least 1ft
above sewer.
Common trench-water and sewer must not be in
same trench.
, Water main and force main Parallel-at least 10ft apart.
regulations.
Perpendicular crossing-Water lines at least 1ft
above and force main should be encased 10ft in
both directions.
New water lines installed over force mains should
be rated to 200psi or equivalent.
Force mains over 1000ft must have clean outs every
600ft.
Fire extinguishers Class A, B, C, D A=ordinary combustibles. Wood, paper, cloth trash
and K and plastic.
B=Flammable liquids. Gasoline, petroleum oil and
paint.
C=Energized electrical equipment. Motors,
transformers and appliances.
D=Combustible metals. Potassium, sodium,
aluminum and magnesium.
K=Cooking oils and grease.
Drawdown Difference between the static pumping level and
the pumping water level.
Residual drawdown A lowered water level that remains for a period of
time after pumping has been stopped.
Cone of depression Depressed water surface around a well when
pumps are operating.
