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WasteWater Operator class C exam practice Midterm review 2023 QUESTIONS & ANSWERS ( A+ GRADED 100% VERIFIED) CA$14.38   Add to cart
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WasteWater Operator class C exam practice Midterm review 2023 QUESTIONS & ANSWERS ( A+ GRADED 100% VERIFIED)
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  • Course
  • Wastewater
  • Institution
  • Wastewater

WasteWater Operator class C exam practice Midterm review 2023 QUESTIONS & ANSWERS ( A+ GRADED 100% VERIFIED)

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Document information

  • April 27, 2023
  • 34
  • 2022/2023
  • Exam (elaborations)
  • Questions & answers

Subjects

  • wastewater operator class c exam practice review
  • wastewater operator class c exam practice midterm review 2023 questions amp answers a graded 100 verified
  • when chlorine is combined with water

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  • Wastewater
  • Wastewater

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WasteWater
Operator
class
C
exam
practice
review
When
Chlorine
is
combined
with
water
what
type
of
pipe
should
be
used?
A.
Ductile
iron
B.
Asbestos
concrete
C.
PVC
D.
Carbon
Steel
-
ANS
C.
PVC
A
good
settling
sludge
would
consist
of
what
type
of
protozoa?
A.
Rotifers
and
nematodes
B.
Amoebas
and
Flagellates
C.
Stalked
ciliates
and
mastagoria
D.
Free
swimmers
and
stalk
ciliates
-
ANS
D.
Free
swimmers
and
stalk
ciliates
What
is
Phenolphylein
used
for
in
titration
A.
Oxidizer
B.
Indicator
C.
Acid
reducer
to
lower
pH D.
Applicator
-
ANS
B.
Indicator
Your
plant
has
an
influent
of
220
BOD
and
163
TSS,
and
an
effluent
of
10
BOD,
and
6
TSS.
What
is
the
BOD
removal
efficiency
in
your
plant?
A.
92%
B.
94%
C.
95%
D.
96%
-
ANS
C.
95%
You
suspect
your
anaerobic
digester
is
going
sour.
What
is
the
best
way
to
verify
its
condition?
A.
pH
B.
Foam
type
C.
VA/ALK
ratio
D.
DO
-
ANS
C.
VA/ALK
ratio
Before
operating
any
piece
of
equipment
what
should
be
done?
A.
Lock
out
Tag
out
(remember ,
safety
first!)
B.
Read
O
&
M
manual
C.
Read
manufacturers
manual D.
Notify
supervisor
-
ANS
C.
Read
manufacturers
manual
Detritus
is
noticed
in
your
grit
channel.
What
is
the
problem?
A.
Velocity
too
fast
with
short
D/T
B.
Velocity
too
low
with
long
D/T
C.
Short
circuiting
D.
Density
currents
-
ANS
B.
Velocity
too
low
with
long
D/T
What
is
considered
normal
operation
of
an
aerobic
digester?
A.
Fill
react
B.
Skim
off
foam
when
needed
C.
Settle
and
Decant
as
needed
D.
Feed
only
during
low
flow
or
constant
when
the
sun
is
out
-
ANS
C.
Settle
and
Decant
as
needed
A
plant
with
a
flow
of
1
MGD
should
be
monitored
A.
Continuously
B.
Intermittently
C.
Daily
D.
Every
four
hours
depending
on
surface
load
-
ANS
A.
Continuously What
do
total
solids
consist
of?
A.
Dissolved
and
settleable
B.
Floatable
and
settlable
C.
Suspended
and
dissolved
D.
Settlable
and
nonsettleable
-
ANS
C.
Suspended
and
dissolved
What
would
cause
excessive
wear
on
bearing?
A.
Misalignment
B.
Reduced
Oil
due
to
low
viscosity
C.
Blow
seal
D.
Over
tubercation
-
ANS
A.
Misalignment
Amperometric
titration
is
used
to
measure
A.
Dissolved
solids
B.
Chlorine
residual
C.
Colloids
D.
Emulsions
-
ANS
B.
Chlorine
residual
What
growth
phase
is
an
aerobic
digester
operated
in.

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