WATER DISTRIBUTION D2
CALIFORNIA PRACTICE TEST
The-Difference-between-the-static-ground-water-level-and-the-pumping-level-is-the---ans-
✔✔drawdown
A-customer-complaint-about-the-presence-of-brown-floc-in-tap-water-can-best-be-handled-
by---ans-✔✔investigating-the-problem-as-soon-as-possible
The-term-"aquifer"-relates-to-which-one-of-the-following-?---ans-✔✔groundwater
One-indication-of-corrosive-water-is-a-high-concentration-of---ans-✔✔Carbon-dioxide
Catholic-protection-means-protection-against---ans-✔✔Corrosion
The-primary-reason-for-the-use-of-a-dry-barrel-fire-hydrant-is-to---ans-✔✔keep-the-hydrant-
from-freezing
The-component-parts-of-a-well-include-all-of-the-following-except---ans-✔✔pressure-switch
At-the-same-barometric-pressure,-the-amount-of-dissolved-oxygen-in-cold-water-tends-to-
be-............-the-amount-of-dissolved-oxygen-in-the-warm-water---ans-✔✔more-than
Which-of-the-following-is-the-principal-constituent-in-water-that-causes-corrosion-of-
metals?---ans-✔✔dissolved-oxygen
Which-component-of-a-centritugal-pump-moves-the-water?---ans-✔✔impeller
A-record-containing-the-size,-location,-and-ties-of-water-mains;-valves;-hydrants;-tanks;-
reservoirs;-and-pump-stations-is-called-a---ans-✔✔comprehensive-map
What-term-describes-water-that-is-suitable-for-drinking---ans-✔✔potable
a-pump-delivering-288,000-gallons-of-water-in-24-hours-operates-at-what-average-flow-
rate?---ans-✔✔200-gallons-per-minute
, Velocity-of-flow-in-mains-is-usually-expressed-in-terms-of---ans-✔✔Feet-per-second
A-competent-person-at-an-excavation-work-site---ans-✔✔Is-capable-of-identifying-
hazarda-and-has-the-authority-to-take-corrrective-measures.
Hydrogen-sulfide-gas-smells-like---ans-✔✔rotten-eggs
which-of-the-following-methods-can-be-used-to-renove-high-iron-content-from-a-well-
supply?---ans-✔✔oxidation-and-filtration.
Hardness-may-be-expressed-in---ans-✔✔Milligrams-per-litre-as-CaCO3
The-basic-unit-of-electrical-power-is-the---ans-✔✔Watt
A-standpipe-is-84-inches-in-diameter-and-20-feet-high.-How-many-gallons-are-in-the-
standpipe-when-the-water-is-16-feet-deep?---ans-✔✔4,603
Check-valves-are-used-to---ans-✔✔permit-flow-in-only-one-driection
Standard-pumper-connection-fire-hydranta-should-not-be-installed-on-water-mains-
smaller-then-----inches-in-diameter.---ans-✔✔6
Beards-or-long-sideburns-prohibit-an-operator-from-safely---ans-✔✔wearing-the-face-
mask-of-a-self-contained-breathing-apparatus.
The-water-table-is-defined-as-the---ans-✔✔upper-surface-of-the-groundwater.
The-shaft-speed-of-an-electric-motor-is-most-commonly-expressed-in-units-of---ans-
✔✔revolutions-per-minute
A-coupon-test-installation-in-a-distribution-system-is-used-to---ans-✔✔determine-the-rate-
scaling-or-corrosion.
Disease-causing-bacteria-are-know-as---ans-✔✔pathogenic
Normally,-surface-water-and-groundwater-have-a-PH-range-of---ans-✔✔6.8-to-8.5
Which-is-the-best-definition-of-turbidity-in-water?---ans-✔✔anything-in-water-that-scatters-
light
A-competent-person-must-inspect-excavations-and-adjacent-areas-for-hazards---ans-
✔✔daily,-prior-to-the-start-of-work,-and-as-needed-throughout-the-shift.
The-component-of-a-centrifugal-pump-sometimes-installed-on-the-end-of-a-suction-pipe-to-
hold-the-priming-is-known-as-a---ans-✔✔foot-valve
CALIFORNIA PRACTICE TEST
The-Difference-between-the-static-ground-water-level-and-the-pumping-level-is-the---ans-
✔✔drawdown
A-customer-complaint-about-the-presence-of-brown-floc-in-tap-water-can-best-be-handled-
by---ans-✔✔investigating-the-problem-as-soon-as-possible
The-term-"aquifer"-relates-to-which-one-of-the-following-?---ans-✔✔groundwater
One-indication-of-corrosive-water-is-a-high-concentration-of---ans-✔✔Carbon-dioxide
Catholic-protection-means-protection-against---ans-✔✔Corrosion
The-primary-reason-for-the-use-of-a-dry-barrel-fire-hydrant-is-to---ans-✔✔keep-the-hydrant-
from-freezing
The-component-parts-of-a-well-include-all-of-the-following-except---ans-✔✔pressure-switch
At-the-same-barometric-pressure,-the-amount-of-dissolved-oxygen-in-cold-water-tends-to-
be-............-the-amount-of-dissolved-oxygen-in-the-warm-water---ans-✔✔more-than
Which-of-the-following-is-the-principal-constituent-in-water-that-causes-corrosion-of-
metals?---ans-✔✔dissolved-oxygen
Which-component-of-a-centritugal-pump-moves-the-water?---ans-✔✔impeller
A-record-containing-the-size,-location,-and-ties-of-water-mains;-valves;-hydrants;-tanks;-
reservoirs;-and-pump-stations-is-called-a---ans-✔✔comprehensive-map
What-term-describes-water-that-is-suitable-for-drinking---ans-✔✔potable
a-pump-delivering-288,000-gallons-of-water-in-24-hours-operates-at-what-average-flow-
rate?---ans-✔✔200-gallons-per-minute
, Velocity-of-flow-in-mains-is-usually-expressed-in-terms-of---ans-✔✔Feet-per-second
A-competent-person-at-an-excavation-work-site---ans-✔✔Is-capable-of-identifying-
hazarda-and-has-the-authority-to-take-corrrective-measures.
Hydrogen-sulfide-gas-smells-like---ans-✔✔rotten-eggs
which-of-the-following-methods-can-be-used-to-renove-high-iron-content-from-a-well-
supply?---ans-✔✔oxidation-and-filtration.
Hardness-may-be-expressed-in---ans-✔✔Milligrams-per-litre-as-CaCO3
The-basic-unit-of-electrical-power-is-the---ans-✔✔Watt
A-standpipe-is-84-inches-in-diameter-and-20-feet-high.-How-many-gallons-are-in-the-
standpipe-when-the-water-is-16-feet-deep?---ans-✔✔4,603
Check-valves-are-used-to---ans-✔✔permit-flow-in-only-one-driection
Standard-pumper-connection-fire-hydranta-should-not-be-installed-on-water-mains-
smaller-then-----inches-in-diameter.---ans-✔✔6
Beards-or-long-sideburns-prohibit-an-operator-from-safely---ans-✔✔wearing-the-face-
mask-of-a-self-contained-breathing-apparatus.
The-water-table-is-defined-as-the---ans-✔✔upper-surface-of-the-groundwater.
The-shaft-speed-of-an-electric-motor-is-most-commonly-expressed-in-units-of---ans-
✔✔revolutions-per-minute
A-coupon-test-installation-in-a-distribution-system-is-used-to---ans-✔✔determine-the-rate-
scaling-or-corrosion.
Disease-causing-bacteria-are-know-as---ans-✔✔pathogenic
Normally,-surface-water-and-groundwater-have-a-PH-range-of---ans-✔✔6.8-to-8.5
Which-is-the-best-definition-of-turbidity-in-water?---ans-✔✔anything-in-water-that-scatters-
light
A-competent-person-must-inspect-excavations-and-adjacent-areas-for-hazards---ans-
✔✔daily,-prior-to-the-start-of-work,-and-as-needed-throughout-the-shift.
The-component-of-a-centrifugal-pump-sometimes-installed-on-the-end-of-a-suction-pipe-to-
hold-the-priming-is-known-as-a---ans-✔✔foot-valve
