The amount of oxygen that nay become dissolved in a given amount of water is MOST related to...
Tempertaure
The gas most commonly associated with septic wastewater is...
Hydrogen sulfide
What determines the amount of hydrogen sulfide produced in a sewer?
pH
Four conditions are necessary to create an explosion. Three of these conditions are: combustible gas, adequate
oxygen, and sufficient heat.
What is the fourth condition?
Proper mixing of gas and oxygen
, One kilowatt is the equivalent of _____________ horsepower.
1.34
The lack of an unpleasant odor in a manhole, lift station, or other structures does NOT always mean that no
dangerous gases are present because...
-Most dangerous gases have no odor
-Oxygen may still be lacking
-Some gases deaden the sense of smell
As the impeller wears on a pump, the pump efficiency will...
Decrease
How closely an instrument measures the actual value of the process variable being measured is called its...
Accuracy
Tempertaure
The gas most commonly associated with septic wastewater is...
Hydrogen sulfide
What determines the amount of hydrogen sulfide produced in a sewer?
pH
Four conditions are necessary to create an explosion. Three of these conditions are: combustible gas, adequate
oxygen, and sufficient heat.
What is the fourth condition?
Proper mixing of gas and oxygen
, One kilowatt is the equivalent of _____________ horsepower.
1.34
The lack of an unpleasant odor in a manhole, lift station, or other structures does NOT always mean that no
dangerous gases are present because...
-Most dangerous gases have no odor
-Oxygen may still be lacking
-Some gases deaden the sense of smell
As the impeller wears on a pump, the pump efficiency will...
Decrease
How closely an instrument measures the actual value of the process variable being measured is called its...
Accuracy