OWP Water Distribution System
Operation and Maintenance: Chapter 1
Exam questions With 100% Complete
Solutions
acid rain - CORRECT ANSWER-acidic precipitation caused by emissions from vehicles
and factories reacting with water vapor in the atmosphere
algae - CORRECT ANSWER-microscopic aquatic plant-like organisms that are a
primary food source in many aquatic ecosystems
algal bloom - CORRECT ANSWER-a rapid growth of algae in a body of water, which
can deplete oxygen levels and harm other aquatic life
anaerobic - CORRECT ANSWER-an environment lacking oxygen
aquifer - CORRECT ANSWER-an underground layer of rock or sediment that holds
groundwater
back pressure - CORRECT ANSWER-pressure exerted in the opposite direction of
normal flow in a pipe
backflow - CORRECT ANSWER-the undesired reversal of flow in a pipe
backsiphonage - CORRECT ANSWER-the creation of a vacuum in a pipe that sucks
contaminants back into the water supply
, capillary action - CORRECT ANSWER-the ability of a liquid to rise in a narrow space
due to surface tension
capillary fringe - CORRECT ANSWER-the zone above the water table where the
ground is saturated with water held by capillary action
carcinogen - CORRECT ANSWER-a cancer-causing substance
chloramines - CORRECT ANSWER-a disinfectant used in drinking water that is a
combination of chlorine and ammonia
cross-connection - CORRECT ANSWER-an unintended connection between a drinking
water supply and a source of contamination
direct runoff - CORRECT ANSWER-water that flows directly over the land surface and
into streams or rivers
electrochemical - CORRECT ANSWER-relating to the interaction of electricity and
chemicals
entrain - CORRECT ANSWER-to trap and carry along with a moving fluid
head - CORRECT ANSWER-the pressure exerted by a column of water
impermeable - CORRECT ANSWER-not allowing fluids to pass through
interface - CORRECT ANSWER-the boundary between two substances
Operation and Maintenance: Chapter 1
Exam questions With 100% Complete
Solutions
acid rain - CORRECT ANSWER-acidic precipitation caused by emissions from vehicles
and factories reacting with water vapor in the atmosphere
algae - CORRECT ANSWER-microscopic aquatic plant-like organisms that are a
primary food source in many aquatic ecosystems
algal bloom - CORRECT ANSWER-a rapid growth of algae in a body of water, which
can deplete oxygen levels and harm other aquatic life
anaerobic - CORRECT ANSWER-an environment lacking oxygen
aquifer - CORRECT ANSWER-an underground layer of rock or sediment that holds
groundwater
back pressure - CORRECT ANSWER-pressure exerted in the opposite direction of
normal flow in a pipe
backflow - CORRECT ANSWER-the undesired reversal of flow in a pipe
backsiphonage - CORRECT ANSWER-the creation of a vacuum in a pipe that sucks
contaminants back into the water supply
, capillary action - CORRECT ANSWER-the ability of a liquid to rise in a narrow space
due to surface tension
capillary fringe - CORRECT ANSWER-the zone above the water table where the
ground is saturated with water held by capillary action
carcinogen - CORRECT ANSWER-a cancer-causing substance
chloramines - CORRECT ANSWER-a disinfectant used in drinking water that is a
combination of chlorine and ammonia
cross-connection - CORRECT ANSWER-an unintended connection between a drinking
water supply and a source of contamination
direct runoff - CORRECT ANSWER-water that flows directly over the land surface and
into streams or rivers
electrochemical - CORRECT ANSWER-relating to the interaction of electricity and
chemicals
entrain - CORRECT ANSWER-to trap and carry along with a moving fluid
head - CORRECT ANSWER-the pressure exerted by a column of water
impermeable - CORRECT ANSWER-not allowing fluids to pass through
interface - CORRECT ANSWER-the boundary between two substances
