AWWA OpCert Exam - Source Water Characteristics
(Introductory)
, If rainwater flows over a surface that is carbon dioxide, carbonic acid, corrosivity
exposed to decomposing organic matter in
the soil, the______level of the water is
increased, which will form________and thus
increase the________of the water.
What protozoan organism will cause eye Acanthamoeba
infections and can be found in soil and
water?
Rock-fill dams use a broad range of reinforced concrete slab, upstream
rock sizes to provide stability; water-
tightness is provided by building a
____________________________on the
_______face of the dam.
15.4 gpg of Hardness
How many grains per gallon does a well's
water have, if its hardness is 264 mg/L?
If a forest or a brush fire occurs in a high.
watershed, the probability of the fire
affecting a water system in some way is
An arch dam resists movement by thrust of water pressure laterally
transferring the______to the rock wall
of
the canyon.
What formation would be the least Siltstone
vulnerable to microbiological
contamination?
Almost all waterborne pathogens originate warm-blooded animals, humans
from the intestinal tract of____,
particularly from________.
Red water results from the formation of ferric hydroxide
_______that naturally dissolves in water or
from the action of bacteria.
_______has not definitively been proven to Uranium, bones
be carcinogenic, but it does accumulate
in the_____.
Deep groundwater aquifers tend to be of poorer, confined, do not recharge significantly locally
_______quality, and most deep aquifers are
__________ and__________.
Iron and manganese in natural water soluble
is generally in the____state.
To measure changes in an aquifer observation wells
during the pumping tests, small diameter
test wells called are installed.
In which layer in a stratified body of water Hypolimnion
do the conditions become anaerobic?
Water is considered to be too hard if it 300 mg/L
is greater than____as CaCO3.
(Introductory)
, If rainwater flows over a surface that is carbon dioxide, carbonic acid, corrosivity
exposed to decomposing organic matter in
the soil, the______level of the water is
increased, which will form________and thus
increase the________of the water.
What protozoan organism will cause eye Acanthamoeba
infections and can be found in soil and
water?
Rock-fill dams use a broad range of reinforced concrete slab, upstream
rock sizes to provide stability; water-
tightness is provided by building a
____________________________on the
_______face of the dam.
15.4 gpg of Hardness
How many grains per gallon does a well's
water have, if its hardness is 264 mg/L?
If a forest or a brush fire occurs in a high.
watershed, the probability of the fire
affecting a water system in some way is
An arch dam resists movement by thrust of water pressure laterally
transferring the______to the rock wall
of
the canyon.
What formation would be the least Siltstone
vulnerable to microbiological
contamination?
Almost all waterborne pathogens originate warm-blooded animals, humans
from the intestinal tract of____,
particularly from________.
Red water results from the formation of ferric hydroxide
_______that naturally dissolves in water or
from the action of bacteria.
_______has not definitively been proven to Uranium, bones
be carcinogenic, but it does accumulate
in the_____.
Deep groundwater aquifers tend to be of poorer, confined, do not recharge significantly locally
_______quality, and most deep aquifers are
__________ and__________.
Iron and manganese in natural water soluble
is generally in the____state.
To measure changes in an aquifer observation wells
during the pumping tests, small diameter
test wells called are installed.
In which layer in a stratified body of water Hypolimnion
do the conditions become anaerobic?
Water is considered to be too hard if it 300 mg/L
is greater than____as CaCO3.
