Name: Score:
67 Multiple choice questions
Term 1 of 67
The movement of water from leaves, grasses, and other plants to the atmosphere is called?
Organic evaporation
Condensation
Transpiration
Capillary action
Term 2 of 67
Provisions of which regulation are intended to protect drinking water consumers against the
unintended public health consequences associated with consumption of treated drinking water
containing residual disinfectants and disinfection by-products?
Filter backwash recycling rule
Groundwater Rule
Disinfectants and disinfection by-products rule
Surface water treatment rule
Term 3 of 67
What is a well casing?
A filtration system installed within the well to purify the water.
A metal pipe used to transport water from the well to the surface.
A concrete area placed around the casing of some wells to support pumping equipment
and to help prevent surface water from contaminating the well water.
A type of chemical treatment applied to the well water.
,Term 4 of 67
A physical property. as opposed to a chemical property, important to water treatment.
Turbidity
pH
Dissolved solids
Electrical conductivity
Term 5 of 67
In solving for an unknown value, you must?
know the values for all but one of the terms of the equation to be used.
move all positive numbers to the left side of the equation.
Know the value for all of the terms in the question
Divide all unknown values by a known value.
Term 6 of 67
Bar screen assemblies are installed in a waterway at a(n) ____________ angle from the horizontal.
40-60 degrees
60-80 degrees
60-90 degrees
90-120 degrees
, Term 7 of 67
What are the water quality problems caused by impoundment stratification?
High ph levels, low turbidity, and clear appearance
Excessive chlorine, low temperature, and high salinity
Presence of heavy metals, low oxygen, and clear visibility
Taste and odor, in the water, iron and manganese
Term 8 of 67
Which of the following are the two principle chemicals that cause water hardness?
Aluminum and iron
Aluminum and calcium
Iron and manganese
Calcium and manganese
Term 9 of 67
What is a radical?
A radical is a type of chemical reaction that occurs at high temperatures.
A radical is a group of elements that bond together and act like single atoms or ions in
forming compounds.
A radical is a process of separating elements in a mixture.
A radical is a single element that cannot bond with others.
67 Multiple choice questions
Term 1 of 67
The movement of water from leaves, grasses, and other plants to the atmosphere is called?
Organic evaporation
Condensation
Transpiration
Capillary action
Term 2 of 67
Provisions of which regulation are intended to protect drinking water consumers against the
unintended public health consequences associated with consumption of treated drinking water
containing residual disinfectants and disinfection by-products?
Filter backwash recycling rule
Groundwater Rule
Disinfectants and disinfection by-products rule
Surface water treatment rule
Term 3 of 67
What is a well casing?
A filtration system installed within the well to purify the water.
A metal pipe used to transport water from the well to the surface.
A concrete area placed around the casing of some wells to support pumping equipment
and to help prevent surface water from contaminating the well water.
A type of chemical treatment applied to the well water.
,Term 4 of 67
A physical property. as opposed to a chemical property, important to water treatment.
Turbidity
pH
Dissolved solids
Electrical conductivity
Term 5 of 67
In solving for an unknown value, you must?
know the values for all but one of the terms of the equation to be used.
move all positive numbers to the left side of the equation.
Know the value for all of the terms in the question
Divide all unknown values by a known value.
Term 6 of 67
Bar screen assemblies are installed in a waterway at a(n) ____________ angle from the horizontal.
40-60 degrees
60-80 degrees
60-90 degrees
90-120 degrees
, Term 7 of 67
What are the water quality problems caused by impoundment stratification?
High ph levels, low turbidity, and clear appearance
Excessive chlorine, low temperature, and high salinity
Presence of heavy metals, low oxygen, and clear visibility
Taste and odor, in the water, iron and manganese
Term 8 of 67
Which of the following are the two principle chemicals that cause water hardness?
Aluminum and iron
Aluminum and calcium
Iron and manganese
Calcium and manganese
Term 9 of 67
What is a radical?
A radical is a type of chemical reaction that occurs at high temperatures.
A radical is a group of elements that bond together and act like single atoms or ions in
forming compounds.
A radical is a process of separating elements in a mixture.
A radical is a single element that cannot bond with others.
