tx wwtp b license
each person contributes about _______ pounds of BOD daily - correct answer-0.17
a ladder must be within ______ feet of anyone in a trench - correct answer-25
Examples of point source discharges include which of the following - correct
answer-Municipal, industrial, and agricultural wastewater treatment facilities
Protecting Texas water from contamination requires which of the following of wastewater -
correct answer-Collection and transportation to treatment, treatment that removes
contaminants, processing and disposal of solids
Which of the following are normal operator controls of activated sludge process - correct
answer-RAS, WAS, DO
Ponding on a trickling filter is caused by which of the following - correct answer-Excessive
zoogleal growth,
Improper media ,
Poor primary treatment
Organic loading is the pounds per day of _______ per acre feet or 1000 cubic feet of media -
correct answer-BOD
An ultrasonic flow monitoring device works on the principle of _______ - correct
answer-sonar
The primary causes of waste water stoppages are _________ - correct answer-Roots and
grease
What is the range of the ph scale - correct answer-0-14
When an accidental discharge, bypass, or spill occurs, the discharger must notify TCEQ
within how long - correct answer-24 hours
An administrative penalty for discharging violations can be up to ______ per day - correct
answer-$25000
When chlorine is used, the effective disinfectant is __________ - correct answer-HOCL
one surface acre of ponds provides treatment for how many people - correct answer-300
Examples of waterborne pathogens are - correct answer-Typhoid, cholera, and dysentery
When sludge in an imhoff tank is near ______ inches of the slot, withdraw sludge - correct
answer-18
,A weir is an obstruction placed in a channel causing the water to what - correct
answer-Backup
The most important problem prevented by monitoring or restricting industrial waste is
__________ - correct answer-Worker exposure
Excavations ___________ Feet or deeper should be shored, shielded, or sloped - correct
answer-5
The primary purpose of returning sludge in the activated sludge process is to have enough
__________ in the aeration basin to match the food supply - correct answer-Micro
organisms
A simple method of determining when to dump waste from an activated sludge plant is the
_______ - correct answer-30 minutes settling test
imhoff tanks are ________ story units with _______ components - correct answer-two ,
three
Aerobic digestion is a _______ process whereby the Aerobic bacteria consumes themselves
- correct answer-endogenous
in a well operated anaerobic digester the methane gas content is about _________ - correct
answer-65-75%
Organic loading of a stabilization pond is about ________ pounds of BOD/acre/day with a
detention time of at least ______ days - correct answer-35 ; 30
Gas chlorinator feed rates are indicated by the _______ in pounds per day - correct
answer-Rotameter
Disease causing microorganisms are called ________ - correct answer-pathogens
Types of industrial waste are flammable oil, toxic gases, _________ - correct answer-Acids,
and alkalis
The bod test indicates the amount of organic matter that can be oxidized by biological and
chemical action in _______ days at __________ °C - correct answer-5 ; 20
The TCEQ set permit conditions including permit duration, quality of discharge, discharge
point, reporting requirements, and__________ - correct answer-Maximum discharge
Which of the following applies to the discharge of untreated wastewater into the waters of
the state - correct answer-It is a bypass,
it is an unauthorised discharge,
It must be reported to TCEQ within 24 hours
, A hazardous gas that a collection worker might encounter in a manhole is which of the
following - correct answer-Hydrogen sulfide,
methane,
carbon doxide
the line that carries wastewater to the treatment plant is called the _________ line - correct
answer-outfall
Some of the primary components of a collection system are pipes, Clean outs, grease traps,
Sand traps, inverted siphons, vent pipes, manholes, and ________ - correct answer-lift
stations
A ________ allows a wastewater line to cross below a hydraulic gradient - correct
answer-Inverted siphon
The minimum design velocity for an inverted siphon is _______ - correct answer-3 fps
Wastewater lines and manholes can be no closer to a waterline than ________ feet - correct
answer-9
The inside diameter of a man hole must be how wide - correct answer-48"
Cavitation is caused by lack of _________ - correct answer-Net Positive Suction Head
Prior to an infiltration test, allow the groundwater level to stabilize for ________ hours -
correct answer-24
The speed of an induction electric motor is determined about what factors - correct
answer-The number of Poles in the motor,
Cycles per second of electrical current
The main concern of the collection system worker is protecting public ________ - correct
answer-Health
if a lift station cannot be ________, and close it in a lockable building - correct
answer-fenced
Which of the following new manholes are not allowed by TCEQ - correct answer-brick
There are two sample types: grab sample and ______ sample - correct answer-composite
Traffic control devices must meet specifications of the _________ manual on uniform traffic
control devices for streets and highways - correct answer-texas
Entities that might contribute shock loads to the treatment plant include which of the
following - correct answer-Refineries,
food processors,
metal platers
each person contributes about _______ pounds of BOD daily - correct answer-0.17
a ladder must be within ______ feet of anyone in a trench - correct answer-25
Examples of point source discharges include which of the following - correct
answer-Municipal, industrial, and agricultural wastewater treatment facilities
Protecting Texas water from contamination requires which of the following of wastewater -
correct answer-Collection and transportation to treatment, treatment that removes
contaminants, processing and disposal of solids
Which of the following are normal operator controls of activated sludge process - correct
answer-RAS, WAS, DO
Ponding on a trickling filter is caused by which of the following - correct answer-Excessive
zoogleal growth,
Improper media ,
Poor primary treatment
Organic loading is the pounds per day of _______ per acre feet or 1000 cubic feet of media -
correct answer-BOD
An ultrasonic flow monitoring device works on the principle of _______ - correct
answer-sonar
The primary causes of waste water stoppages are _________ - correct answer-Roots and
grease
What is the range of the ph scale - correct answer-0-14
When an accidental discharge, bypass, or spill occurs, the discharger must notify TCEQ
within how long - correct answer-24 hours
An administrative penalty for discharging violations can be up to ______ per day - correct
answer-$25000
When chlorine is used, the effective disinfectant is __________ - correct answer-HOCL
one surface acre of ponds provides treatment for how many people - correct answer-300
Examples of waterborne pathogens are - correct answer-Typhoid, cholera, and dysentery
When sludge in an imhoff tank is near ______ inches of the slot, withdraw sludge - correct
answer-18
,A weir is an obstruction placed in a channel causing the water to what - correct
answer-Backup
The most important problem prevented by monitoring or restricting industrial waste is
__________ - correct answer-Worker exposure
Excavations ___________ Feet or deeper should be shored, shielded, or sloped - correct
answer-5
The primary purpose of returning sludge in the activated sludge process is to have enough
__________ in the aeration basin to match the food supply - correct answer-Micro
organisms
A simple method of determining when to dump waste from an activated sludge plant is the
_______ - correct answer-30 minutes settling test
imhoff tanks are ________ story units with _______ components - correct answer-two ,
three
Aerobic digestion is a _______ process whereby the Aerobic bacteria consumes themselves
- correct answer-endogenous
in a well operated anaerobic digester the methane gas content is about _________ - correct
answer-65-75%
Organic loading of a stabilization pond is about ________ pounds of BOD/acre/day with a
detention time of at least ______ days - correct answer-35 ; 30
Gas chlorinator feed rates are indicated by the _______ in pounds per day - correct
answer-Rotameter
Disease causing microorganisms are called ________ - correct answer-pathogens
Types of industrial waste are flammable oil, toxic gases, _________ - correct answer-Acids,
and alkalis
The bod test indicates the amount of organic matter that can be oxidized by biological and
chemical action in _______ days at __________ °C - correct answer-5 ; 20
The TCEQ set permit conditions including permit duration, quality of discharge, discharge
point, reporting requirements, and__________ - correct answer-Maximum discharge
Which of the following applies to the discharge of untreated wastewater into the waters of
the state - correct answer-It is a bypass,
it is an unauthorised discharge,
It must be reported to TCEQ within 24 hours
, A hazardous gas that a collection worker might encounter in a manhole is which of the
following - correct answer-Hydrogen sulfide,
methane,
carbon doxide
the line that carries wastewater to the treatment plant is called the _________ line - correct
answer-outfall
Some of the primary components of a collection system are pipes, Clean outs, grease traps,
Sand traps, inverted siphons, vent pipes, manholes, and ________ - correct answer-lift
stations
A ________ allows a wastewater line to cross below a hydraulic gradient - correct
answer-Inverted siphon
The minimum design velocity for an inverted siphon is _______ - correct answer-3 fps
Wastewater lines and manholes can be no closer to a waterline than ________ feet - correct
answer-9
The inside diameter of a man hole must be how wide - correct answer-48"
Cavitation is caused by lack of _________ - correct answer-Net Positive Suction Head
Prior to an infiltration test, allow the groundwater level to stabilize for ________ hours -
correct answer-24
The speed of an induction electric motor is determined about what factors - correct
answer-The number of Poles in the motor,
Cycles per second of electrical current
The main concern of the collection system worker is protecting public ________ - correct
answer-Health
if a lift station cannot be ________, and close it in a lockable building - correct
answer-fenced
Which of the following new manholes are not allowed by TCEQ - correct answer-brick
There are two sample types: grab sample and ______ sample - correct answer-composite
Traffic control devices must meet specifications of the _________ manual on uniform traffic
control devices for streets and highways - correct answer-texas
Entities that might contribute shock loads to the treatment plant include which of the
following - correct answer-Refineries,
food processors,
metal platers
