Waste Water D license Study
______________ pump in dry wells collect packing seal leakage in addition to cleanup water. -
ANS-Sump
_______________ prevents septic solids from accumulating and rising in the settling chamber -
ANS-Chaining
________________ effects in the fast die-off of remedy organisms - ANS-Acute toxicity (think
about A Cut)
__________________ are important to lift station and renovation - ANS-Records
___________________ calibrate drift measuring devices. - ANS-Annual
___________________ in raw wastewater comes from the water deliver - ANS-Dissolved
oxygen
___________________ interferes with the organic treatment procedure - ANS-Grease
___________________ settles gently and uniformly, compacts slowly, and has sharp edges like
a sponge. - ANS-Quality slidge
___________________ water has a pH underneath 7.Zero even as ___________________
water has a pH above 7.0 - ANS-Acidic/ basic
_____________________ is odorless, colorless, heavier than air, and not flamable. -
ANS-Carbon dioxide (suffocating)
_________________________ are the smallest, maximum numerous, and maximum vital of the
activated sludge microorganisms. - ANS-Bacteria
A _______________ protection program maintains emergency repairs to a minimum. -
ANS-Preventive
A ______________________ pattern is collected at any factor, at any time - ANS-Grab
A cyclone sepRATOR spins the wastewater in a spiral waft and throws the grit, by means of
centrifugal force, to the wall of the unit, wherein it falls to the bottom - ANS-True
A ladder ought to be within ___________________ toes of anybody within the trench. -
ANS-25ft
,A nearby government may also convey suit to enforce it's - ANS-Rules
A pond have to be covered and the soil compacted to prevent seepage into floor water
authentic/ fake - ANS-False (floor water)
A number one clarifier settles biological sludge, and a secondary clarifier settles uncooked
sludge. - ANS-False ( settles number one sludge/ secondary biological sludge)
A role of supervision and management is to set job assignments and secure allows and price
range to do the activity - ANS-True
A simple approach indicating when to waste is the _____________. - ANS-Sludge volume index
A trapped slot in the bottom of the settling booths permits _____________ solids to skip into the
digester, but prevents septic solids from ______________ into the settling compartment -
ANS-Settled/ rising
A weir is an obstruction positioned in a channel, inflicting the water to ________________ -
ANS-Back up
Activated sludge settles within the number one clarifier or wasted from an activated sludge
system. True / fake - ANS-False ( settles in very last clarifier)
Aerobic digestion is an____________ method whereby the cardio bacteria eat themselves. -
ANS-Endogenous
Aerobically digested sludge is brown in colour, has little or no odor, does no longer dewater
without difficulty. True/ fake - ANS-True
An Administrative penalty may be as much as ________________ in keeping with day -
ANS-$10000
An environment is oxygen poor whilst oxygen content is less than 19.5% true/ fake - ANS-True
An ultrasonic glide tracking tool works at the principle of _______________ - ANS-Solar
Anaerobic digester mixing methods are gasoline, mechanical, or ______________________. -
ANS-Pump
Anaerobic digester problem signs are low pH (add lime to near neutral), elevated
____________________, decreased alkalinity, and multiplied risky acids. - ANS-CO2
, Anaerobic digesters are protected to keep out ________________, to entice the useful
methane, and to preserve the digester warm. - ANS-Free oxygen
Anaerobic ponds require daylight, algae, and dissolved oxygen to be present. True/false -
ANS-False ( requires no daylight / and Dissolved oxygen is absent)
Anaerobic sludge is heated by pumping it via pipes heated with _________________. -
ANS-Hot water
Anaerobic supernatant liquor is the ________________ that separates from the sludge. -
ANS-Grey liquid
Anaerobically digested sludge is darkish in shade, has a tarry odor, a grainy texture, and does
no longer dewater without difficulty. True/ false - ANS-False ( fiber like texture/ dries readily)
As the water temperatures rises, the DO saturation stage will - ANS-Decrease (inverse impact)
At least 1 mg/l DO ought to be stored within the aeration basin to maintain the health of the
anaerobic microorganisms. - ANS-False cardio microorganisms
Be positive ________________ lights is to be had for night time shifts. - ANS-Bright
Because HOCI is a _________________, it's miles extra effective at low pH. - ANS-Acid
Before entering a manhole, test for gases and oxygen level and _____________________ the
manhole before and in the course of access. - ANS-Ventilate
Before making display maintenance, the strength ought to be turned off and the controls locked.
- ANS-True
Before the use of a chemical, study the _______________. - ANS-SDS
BEfore working on electric system, breakers and switches need to be locked out and tagged.
True /fake - ANS-True
Benefits of treating point-source and non-point source wastes are prevention of ground and
surface water pollution, and _________ - ANS-1. Protection of human and animal health
2. Prevention of oxygen depletion in surface water
Biological slime (microorganisms) grows at the floor of the ______________, consuming the
organic count (BOD) as the rotates in the wastewater. - ANS-Media
Bodily harm is the maximum commonplace result of an accident actual/ false - ANS-TRue
______________ pump in dry wells collect packing seal leakage in addition to cleanup water. -
ANS-Sump
_______________ prevents septic solids from accumulating and rising in the settling chamber -
ANS-Chaining
________________ effects in the fast die-off of remedy organisms - ANS-Acute toxicity (think
about A Cut)
__________________ are important to lift station and renovation - ANS-Records
___________________ calibrate drift measuring devices. - ANS-Annual
___________________ in raw wastewater comes from the water deliver - ANS-Dissolved
oxygen
___________________ interferes with the organic treatment procedure - ANS-Grease
___________________ settles gently and uniformly, compacts slowly, and has sharp edges like
a sponge. - ANS-Quality slidge
___________________ water has a pH underneath 7.Zero even as ___________________
water has a pH above 7.0 - ANS-Acidic/ basic
_____________________ is odorless, colorless, heavier than air, and not flamable. -
ANS-Carbon dioxide (suffocating)
_________________________ are the smallest, maximum numerous, and maximum vital of the
activated sludge microorganisms. - ANS-Bacteria
A _______________ protection program maintains emergency repairs to a minimum. -
ANS-Preventive
A ______________________ pattern is collected at any factor, at any time - ANS-Grab
A cyclone sepRATOR spins the wastewater in a spiral waft and throws the grit, by means of
centrifugal force, to the wall of the unit, wherein it falls to the bottom - ANS-True
A ladder ought to be within ___________________ toes of anybody within the trench. -
ANS-25ft
,A nearby government may also convey suit to enforce it's - ANS-Rules
A pond have to be covered and the soil compacted to prevent seepage into floor water
authentic/ fake - ANS-False (floor water)
A number one clarifier settles biological sludge, and a secondary clarifier settles uncooked
sludge. - ANS-False ( settles number one sludge/ secondary biological sludge)
A role of supervision and management is to set job assignments and secure allows and price
range to do the activity - ANS-True
A simple approach indicating when to waste is the _____________. - ANS-Sludge volume index
A trapped slot in the bottom of the settling booths permits _____________ solids to skip into the
digester, but prevents septic solids from ______________ into the settling compartment -
ANS-Settled/ rising
A weir is an obstruction positioned in a channel, inflicting the water to ________________ -
ANS-Back up
Activated sludge settles within the number one clarifier or wasted from an activated sludge
system. True / fake - ANS-False ( settles in very last clarifier)
Aerobic digestion is an____________ method whereby the cardio bacteria eat themselves. -
ANS-Endogenous
Aerobically digested sludge is brown in colour, has little or no odor, does no longer dewater
without difficulty. True/ fake - ANS-True
An Administrative penalty may be as much as ________________ in keeping with day -
ANS-$10000
An environment is oxygen poor whilst oxygen content is less than 19.5% true/ fake - ANS-True
An ultrasonic glide tracking tool works at the principle of _______________ - ANS-Solar
Anaerobic digester mixing methods are gasoline, mechanical, or ______________________. -
ANS-Pump
Anaerobic digester problem signs are low pH (add lime to near neutral), elevated
____________________, decreased alkalinity, and multiplied risky acids. - ANS-CO2
, Anaerobic digesters are protected to keep out ________________, to entice the useful
methane, and to preserve the digester warm. - ANS-Free oxygen
Anaerobic ponds require daylight, algae, and dissolved oxygen to be present. True/false -
ANS-False ( requires no daylight / and Dissolved oxygen is absent)
Anaerobic sludge is heated by pumping it via pipes heated with _________________. -
ANS-Hot water
Anaerobic supernatant liquor is the ________________ that separates from the sludge. -
ANS-Grey liquid
Anaerobically digested sludge is darkish in shade, has a tarry odor, a grainy texture, and does
no longer dewater without difficulty. True/ false - ANS-False ( fiber like texture/ dries readily)
As the water temperatures rises, the DO saturation stage will - ANS-Decrease (inverse impact)
At least 1 mg/l DO ought to be stored within the aeration basin to maintain the health of the
anaerobic microorganisms. - ANS-False cardio microorganisms
Be positive ________________ lights is to be had for night time shifts. - ANS-Bright
Because HOCI is a _________________, it's miles extra effective at low pH. - ANS-Acid
Before entering a manhole, test for gases and oxygen level and _____________________ the
manhole before and in the course of access. - ANS-Ventilate
Before making display maintenance, the strength ought to be turned off and the controls locked.
- ANS-True
Before the use of a chemical, study the _______________. - ANS-SDS
BEfore working on electric system, breakers and switches need to be locked out and tagged.
True /fake - ANS-True
Benefits of treating point-source and non-point source wastes are prevention of ground and
surface water pollution, and _________ - ANS-1. Protection of human and animal health
2. Prevention of oxygen depletion in surface water
Biological slime (microorganisms) grows at the floor of the ______________, consuming the
organic count (BOD) as the rotates in the wastewater. - ANS-Media
Bodily harm is the maximum commonplace result of an accident actual/ false - ANS-TRue
