wastewater treatment operator certification test 3
wastewater treatment operator certification test 3 questions amp answers 2023 a graded 100 verified
the typical suspended solids removal rate
Written for
Wastewater
Wastewater
Seller
Follow
FLYINGHIGHER
Reviews received
Content preview
W a s t e w a t e r
T r e a t m e n t
O p e r a t o r
C e r t i f i c a t i o n
T e s t
# 3
The
typical
suspended
solids
removal
rate
in
the
primary
clarifier
is
5
to
10%
T rue
or
False
-
ANS
False
(v .1
pg
129)
Over-greasing
a
pump
motor
can
lead
to
damage.
T rue
or
False
-
ANS
T rue
(v .2
pg
404)
A
healthy
digester
gas
consists
mostly
of
hydrogen
sulfide.
T rue
or
False
-
ANS
False
(v .2
pg
158)
Coliform
results
are
reported
as
MPN/100
ml
T rue
or
False
-
ANS
T rue
(v .2
pg
556)
Increased
concentrations
of
volatile
acids
and
decreased
alkalinity
are
signs
that
the
anaerobic
digestion
is
in
an
ideal
state. T rue
or
False
-
ANS
False
(v .2
pg
523)
Breakpoint
chlorination
is
the
addition
of
chlorine
to
wastewater
until
the
chlorine
demand
has
been
met.
T rue
or
False
-
ANS
T rue
(v .1
pg
351)
Zero
calibration
accuracy
for
DO
probes
and
meters
should
be
checked
with
an
absolute
zero
solution
(sodium
sulfite)
T rue
or
False
-
ANS
T rue
T emperature,
pH,
and
dissolved
oxygen
do
not
have
to
be
analyzed
immediately
because
they
can
be
preserved.
T rue
or
False
-
ANS
False
(v .2
pg
499,502)
Sterilization
is
the
goal
of
most
wastewater
treatment
plants
T rue
or
False
-
ANS
False
(v .1
pg
54)
One
of
the
most
common
types
of
packaged
plants
is
extended
aeration T rue
or
False
-
ANS
T rue
(v .1
pg
257)
NPDES
permits
are
issued
by
the
EP A
or
the
state
T rue
or
False
-
ANS
T rue
Hypochlorination
will
raise
the
pH
of
wastewater
being
treated
T rue
or
False
-
ANS
T rue
(v .1
pg
351)
Denitrification
does
not
cause
sludge
to
rise
in
a
secondary
clarifier
T rue
or
False
-
ANS
False
(v .2
pg
73)
The
sludge
digester
can
be
either
aerobic
or
anaerobic
T rue
or
False
-
ANS
T rue
(v .2
pg
148,217
In
order
to
protect
your
family
from
infectious
disease,
you
should
not
wear
your
work
clothes
home.
T rue
or
False
-
ANS
T rue
(v .2
pg
266)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller FLYINGHIGHER. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.34. You're not tied to anything after your purchase.
