EXAM 2025/2026 AND PRACTICE EXAM
TEST BANK | 450 ACCURATE REAL EXAM
QUESTIONS WITH VERIFIED ANSWERS |
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Alabama Water Operator Grade 2
. What is the purpose of the National Secondary Drinking Water Regulations?
A: To allow water utilities to apply for a temporary variance from national Primary Drinking Water
Regulations
B: To establish a second tier of MCLs to help small communities avoid a financial hardship
C: To prevent the public from seeking to obtain drinking water from potentially lower quality, higher risk
sources
D: To protect secondary water sources from contamination
C: To prevent the public from seeking to obtain drinking water from potentially lower quality, higher
risk sources
.What are potential sources of groundwater pollution?
A: Animal wastes
B: Fertilizers
C: Septic tanks
D: Solid waste disposal sites
E: Wastewater collection systems
ABCDE
How is fouling of greens and media prevented when controlling iron?
A: Adjust water pH to optimum level
B: Aerate water before it enters greensand bed
C: Convert iron to insoluble form before water enters greensand bed
D: Install sedimentation basin to remove precipitate
E: Use ion exchange unit before greensand bed
BC
,According to OSHA law, what type of paperwork must be completed before entering a confined space?
A: Entry permit
B: NPDES permit
C: Safety and health permit
D: Sewer-use permit
A: Entry permit
Calculate the volume of a rectangular sedimentation basin 8 feet deep, 20 feet wide, and 55 feet long.
A: 1,100 cu ft
B: 8,800 cu ft
C: 10,100 cu ft
D: 75,900 cu ft
E: 84,900 cu ft
B: 8,800 cu ft
Precipitation that has been rendered acidic by airborne pollutants
A: Smog
B: Acid Rain
C: Global Warming
D: Gray Water
B: Acid Rain
Why has it become necessary to conserve and properly budget water resources?
A: Drought
B: Contamination
C: Overuse
D: All the Above
D: All the Above
Find the detention time in minutes for a clarifier that has a diameter of 152 feet and 20 feet deep. Water
depth is 8.22 feet and flow rate is 6.8 MGD
A: 32 mins
B: 236 mins
C: 775 mins
D: 5,664 mins
B: 236 mins
Volume = (152)(152)(.785)(8.22) = 149,083.2 cf X 7.48
cf/gal = 1,115,142.2 gal / 1,000,000 = 1.115 MG
1.115 MG / 6.8 MG = .1640 day X 1440 minute/day =
,236 mins
How are water shortages and energy consumption linked together?
A: More Toilet Flushing caused paper shortage
B: Less water means power company must burn coal instead of using water through Dam
C: They are not linked
D: Decrease supply requires more pumping from deeper levels
D: Decrease supply requires more pumping from deeper levels
Why do many sources of water need treatment?
A: Animals drinking from streams
B: Birds flying over bodies of water
C: Global Warming
D: Human Activities
D: Human Activities
Name three ways groundwater may become contaminated.
A: Septic tank seepage systems
B: Agricultural drainage systems
C: Phases of the Moon
D: Polar Cap Melting
E: Landfills and Dumps
ABE
What is the water cycle?
A: The Movement around a body of water
B: The process of evaporation of water into air and its return
to earth by precipitation.
C: The Movement of water around Municipal Water System
D: The process of water moving through a Water Treatment Plant
B: The process of evaporation of water into air and its return to earth by precipitation.
What are the processes of the water cycle?
A: evaporation
B: transpiration
C: groundwater movement
D: runoff
E: All the above
E: All the above
The water cycle is also known as ?
A: Aquifer Occlusion
B: Hydrologic cycle
C: Drizzle Effect
, D: Hydraulic Effusion
B: Hydrologic cycle
Water that flows over the ground surface into streams , rivers or lakes is called
A: Acid Rain
B: Gray Water
C: Direct Runoff
D: Storm Runoff
C: Direct Runoff & D: Storm Runoff
Not easily Penetrated, allows little or no water movement
A: Porous Soil
B: Impermeable
C: Permeable
D: Turbidity
B: Impermeable
Water having a low concentration of Calcium and Magnesium
A: Soft Water
B: Hard Water
C: Turbid Water
D: Salt Water
A: Soft Water
The cloudy appearance of water caused by the presence suspended and colloidal matter
A: Clarity
B: Turbidity
C: Stratification
D: Cumulus
B: Turbidity
The formulation of separate layers in a lake or reservoir
A: Stratification
B: Unification
C: Water Table
D: Permeability
A: Stratification
Which of the following can cause stratification?
A: Temperature
B: Plant Life
C: Global Warning
D: Animal Life
ABD