TEXAS Wastewater Class B EXAM ACTUAL COMPLETE REAL
EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
______ are the smallest , most numerous, and most important of
the activated sludge microorganisms - ANSWER-bacteria
Organic loading refers to the pounds per day of ____ per acre feet
or 1,000 cubic feet of filter media - ANSWER-BOD
Hydraulic loading refers to the volume of ____, including
recirculation, applied to the filter - ANSWER-water
The most common type(s) of trickling filters are- - ANSWER-
Standard rate (1-4 mgd) and High Rate (10-40 mgd)
Odors occur when treatment becomes - ANSWER-anaerobic
____________gas is greenish-yellow, pungent, heaver than air
and highly toxic - ANSWER-chlorine
One common type of weir design for measuring flow is -
ANSWER-V-Knotch
,Inflow and Infiltration (I&I) typically refers to - ANSWER-
unaccounted for water in the system after heavy rains
In the activated sludge process, the _______ is called the heart of
the activated sludge process. - ANSWER-Clarifier
In the activated sludge process, factors that will influence the
operation of the final clarifier are - ANSWER-Loading, solids
applied, settling, thickness of solids, rate of return & Wasting
In the activated sludge process, the clarifier will concentrate
return sludge and waste sludge about ___ to__ times the solids
concentration of the mixed liquor - ANSWER-two (2) to four (4)
In the activated sludge process, for the clarifier to do its job, the
____ must be retained long enough to allow ______ to settle and
liquid to rise. - ANSWER-water/ solids
In the activated sludge process, as more mixed liquor flows to the
clarifier, the thickness of the sludge blanket will - ANSWER-
Increase as solids accumulate
, All reclaimed water piping must be _______in color - ANSWER-
purple
The name of the State Agency responsible for enforcing pollution
control laws in Texas - ANSWER-Texas Commission of
Environmental Quality
The term pathogenic means - ANSWER-Capable of causing
disease
The minimum separation between sewer lines and potable water
lines is - ANSWER-9 feet
A licensed wastewater operator is a professional - ANSWER-
consistently does best job possible, practices personal safety,
strives to improve job knowledge, strives to keep the plant and
collection system in the best appearance and working order
An important step in testing a sample for Total Suspended Solids
is – ANSWER-Filtering a sample
The Biochemical oxygen Demand (BOD) of a sample is based on
– ANSWER-Measuring the dissolved oxygen (DO) used
EXAM QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
______ are the smallest , most numerous, and most important of
the activated sludge microorganisms - ANSWER-bacteria
Organic loading refers to the pounds per day of ____ per acre feet
or 1,000 cubic feet of filter media - ANSWER-BOD
Hydraulic loading refers to the volume of ____, including
recirculation, applied to the filter - ANSWER-water
The most common type(s) of trickling filters are- - ANSWER-
Standard rate (1-4 mgd) and High Rate (10-40 mgd)
Odors occur when treatment becomes - ANSWER-anaerobic
____________gas is greenish-yellow, pungent, heaver than air
and highly toxic - ANSWER-chlorine
One common type of weir design for measuring flow is -
ANSWER-V-Knotch
,Inflow and Infiltration (I&I) typically refers to - ANSWER-
unaccounted for water in the system after heavy rains
In the activated sludge process, the _______ is called the heart of
the activated sludge process. - ANSWER-Clarifier
In the activated sludge process, factors that will influence the
operation of the final clarifier are - ANSWER-Loading, solids
applied, settling, thickness of solids, rate of return & Wasting
In the activated sludge process, the clarifier will concentrate
return sludge and waste sludge about ___ to__ times the solids
concentration of the mixed liquor - ANSWER-two (2) to four (4)
In the activated sludge process, for the clarifier to do its job, the
____ must be retained long enough to allow ______ to settle and
liquid to rise. - ANSWER-water/ solids
In the activated sludge process, as more mixed liquor flows to the
clarifier, the thickness of the sludge blanket will - ANSWER-
Increase as solids accumulate
, All reclaimed water piping must be _______in color - ANSWER-
purple
The name of the State Agency responsible for enforcing pollution
control laws in Texas - ANSWER-Texas Commission of
Environmental Quality
The term pathogenic means - ANSWER-Capable of causing
disease
The minimum separation between sewer lines and potable water
lines is - ANSWER-9 feet
A licensed wastewater operator is a professional - ANSWER-
consistently does best job possible, practices personal safety,
strives to improve job knowledge, strives to keep the plant and
collection system in the best appearance and working order
An important step in testing a sample for Total Suspended Solids
is – ANSWER-Filtering a sample
The Biochemical oxygen Demand (BOD) of a sample is based on
– ANSWER-Measuring the dissolved oxygen (DO) used
