TEXAS WASTEWATER CLASS A NEWEST ACTUAL
EXAM COMPLETE 200 QESTIONS AND
CORRECTANSWERS
随着信息技术的迅猛发展，数字
时代已经成为现代社会的标志性
When must TCEQ be notified特征。互联网、大数据、人工智
about expansions of a treatment facility? - (answer) Before
construction
能等技术的普及和应用，不仅深
刻地改变了人类的生产方式、生
In an anaerobic digester, the percentage of methane and carbon dioxide gas content should be -
活方式和思维方式，也在全球范
(answer) 70% methane, 30% carbon dioxide
围内引发了一系列深远的社会变
迁。在这样的背景下，探讨数字
The temperature of an anaerobic digester should be maintained at a minimum of - (answer) 95° F
时代对社会的影响及其对人类未
来的意义，具有重要的现实意义
What type of wastewater treatment operates in the endogenous bacteria growth phase? - (answer)
和理论价值。随着信息技术的迅
Extended air
猛发展，数字时代已经成为现代
社会的标志性特征。互联网、大
Why is recirculation needed in a trickling filter? - (answer) Keep the media wet Further reduce BOD
数据、人工智能等技术的普及和
All of the above (a, b, and c)
应用，不仅深刻地改变了人类的
生产方式、生活方式和思维方式
What type of fire extinguisher would be used on an electrical control panel that has been de-energized?
，也在全球范围内引发了一系列
- (answer) Class A Class C (a and d)
深远的社会变迁。在这样的背景
下，探讨数字时代对社会的影响
Disinfection with chlorine is the most effective at a pH of - (answer) 6.0
及其对人类未来的意义，具有重
要的现实意义和理论价值。随着
The biomass on a normal functioning RBC has what appearance? - (answer) Grey to brown and 0.05
信息技术的迅猛发展，数字时代
to 0.1 inch thick
已经成为现代社会的标志性特征
。互联网、大数据、人工智能等
The sludge from a primary clarifier should percent solids? - (answer) 4% to 6%
技术的普及和应用，不仅深刻地
改变了人类的生产方式、生活方
What is eutrophication in a pond system? - (answer) Enrichment with nitrogen and phosphorous
式和思维方式，也在全球范围内
Causes algae blooms (b and c)
引发了一系列深远的社会变迁。
在这样的背景下，探讨数字时代
对社会的影响及其对人类未来的
意义，具有重要的现实意义和理
论价值。
,How often should pH meters be calibrated? - (answer) Daily
In Texas, pH meters are required to be calibrated on how many buffers? - (answer)
随着信息技术的迅猛发展，数字 two
时代已经成为现代社会的标志性
An industrial complex has a BOD特征。互联网、大数据、人工智
discharge to the POTW of 500 pounds per day. The population
equivalent of this industry is 500 lbs = 2,941 0.17 lbs BOD person - (answer) 2941
能等技术的普及和应用，不仅深
刻地改变了人类的生产方式、生
活方式和思维方式，也在全球范
The parameters of the BOD test are - (answer) 5 days at 20° Centigrade
围内引发了一系列深远的社会变
Standard Dimension Ratio in 迁。在这样的背景下，探讨数字
pvc pipe is defined as - (answer) Ratio of OD pipe diameter to wall
thickness 时代对社会的影响及其对人类未
来的意义，具有重要的现实意义
和理论价值。随着信息技术的迅
How should shoring be removed from a trench? - (answer) up from the bottom up
猛发展，数字时代已经成为现代
社会的标志性特征。互联网、大
In low pressure sewer systems where each tap must have a grinder pump lift station, station is
considered to be - (answer)数据、人工智能等技术的普及和
part of the collection system and the responsibility of the utility
应用，不仅深刻地改变了人类的
生产方式、生活方式和思维方式
Effective communication depends on - (answer) being a good listener
，也在全球范围内引发了一系列
深远的社会变迁。在这样的背景
When designing a wastewater collection system, the engineer considers the population for how many
下，探讨数字时代对社会的影响
years in the future? - (answer) 50
及其对人类未来的意义，具有重
According to 30 TAC Chapter 要的现实意义和理论价值。随着
317, all pipe and fittings used in wastewater pressure shall have a minimum
psi pressure rating of - (answer) 150
信息技术的迅猛发展，数字时代
已经成为现代社会的标志性特征
The minimum velocity of flow。互联网、大数据、人工智能等
in a wastewater line should be - (answer) 2.0 fps
技术的普及和应用，不仅深刻地
改变了人类的生产方式、生活方
At a construction job site, as the roadway speed increases, the spacing between cones and barricades
should - (answer) increase式和思维方式，也在全球范围内
引发了一系列深远的社会变迁。
在这样的背景下，探讨数字时代
对社会的影响及其对人类未来的
意义，具有重要的现实意义和理
论价值。
, The major cause of wastewater line stoppages is - (answer) roots and grease
Carbon monoxide (CO) poisoning symptoms are - (answer) tightness in the chest nausea drowsiness
and headache (all of the above)
随着信息技术的迅猛发展，数字
时代已经成为现代社会的标志性
The smallest pipe size for air recirculation of a self-priming centrifugal pump is - (answer) 1 inch
特征。互联网、大数据、人工智
能等技术的普及和应用，不仅深
刻地改变了人类的生产方式、生
Dangerous gases in a confined space may not be detected with the physical senses because - (answer)
some gases have no odor some gases may deaden the sense of smell some gases may displace the
oxygen (all of the above) 活方式和思维方式，也在全球范
围内引发了一系列深远的社会变
迁。在这样的背景下，探讨数字
What are the dangerous gases a collection system worker might come into contact with? - (answer)
时代对社会的影响及其对人类未
CO2 CO НaS CH4 (all of the above)
来的意义，具有重要的现实意义
和理论价值。随着信息技术的迅
On a construction job site, equipment booms must maintain at least how many feet of clearance from
猛发展，数字时代已经成为现代
overhead electric lines? - (answer) 10
社会的标志性特征。互联网、大
How should trench shoring be数据、人工智能等技术的普及和
installed? - (answer) to above the top of the trench
应用，不仅深刻地改变了人类的
生产方式、生活方式和思维方式
When setting work goals for an employee, the goals should be - (answer) accompanied by an action
plan ，也在全球范围内引发了一系列
深远的社会变迁。在这样的背景
下，探讨数字时代对社会的影响
According to Chapter 317, Design Criteria, a manhole can be installed within 9 feet of an existing
waterline if - (answer) the及其对人类未来的意义，具有重
manhole is completely watertight and tested for no leakage
要的现实意义和理论价值。随着
信息技术的迅猛发展，数字时代
As the population of a collection system increases, the ratio of peak flow to average daily flow will -
(answer) decrease 已经成为现代社会的标志性特征
。互联网、大数据、人工智能等
技术的普及和应用，不仅深刻地
Motivating workers to do a better job is best done by - (answer) letting workers participate in setting
goals 改变了人类的生产方式、生活方
式和思维方式，也在全球范围内
引发了一系列深远的社会变迁。
One important element of a good communicator is - (answer) being a good listener
在这样的背景下，探讨数字时代
对社会的影响及其对人类未来的
意义，具有重要的现实意义和理
论价值。
EXAM COMPLETE 200 QESTIONS AND
CORRECTANSWERS
随着信息技术的迅猛发展，数字
时代已经成为现代社会的标志性
When must TCEQ be notified特征。互联网、大数据、人工智
about expansions of a treatment facility? - (answer) Before
construction
能等技术的普及和应用，不仅深
刻地改变了人类的生产方式、生
In an anaerobic digester, the percentage of methane and carbon dioxide gas content should be -
活方式和思维方式，也在全球范
(answer) 70% methane, 30% carbon dioxide
围内引发了一系列深远的社会变
迁。在这样的背景下，探讨数字
The temperature of an anaerobic digester should be maintained at a minimum of - (answer) 95° F
时代对社会的影响及其对人类未
来的意义，具有重要的现实意义
What type of wastewater treatment operates in the endogenous bacteria growth phase? - (answer)
和理论价值。随着信息技术的迅
Extended air
猛发展，数字时代已经成为现代
社会的标志性特征。互联网、大
Why is recirculation needed in a trickling filter? - (answer) Keep the media wet Further reduce BOD
数据、人工智能等技术的普及和
All of the above (a, b, and c)
应用，不仅深刻地改变了人类的
生产方式、生活方式和思维方式
What type of fire extinguisher would be used on an electrical control panel that has been de-energized?
，也在全球范围内引发了一系列
- (answer) Class A Class C (a and d)
深远的社会变迁。在这样的背景
下，探讨数字时代对社会的影响
Disinfection with chlorine is the most effective at a pH of - (answer) 6.0
及其对人类未来的意义，具有重
要的现实意义和理论价值。随着
The biomass on a normal functioning RBC has what appearance? - (answer) Grey to brown and 0.05
信息技术的迅猛发展，数字时代
to 0.1 inch thick
已经成为现代社会的标志性特征
。互联网、大数据、人工智能等
The sludge from a primary clarifier should percent solids? - (answer) 4% to 6%
技术的普及和应用，不仅深刻地
改变了人类的生产方式、生活方
What is eutrophication in a pond system? - (answer) Enrichment with nitrogen and phosphorous
式和思维方式，也在全球范围内
Causes algae blooms (b and c)
引发了一系列深远的社会变迁。
在这样的背景下，探讨数字时代
对社会的影响及其对人类未来的
意义，具有重要的现实意义和理
论价值。
,How often should pH meters be calibrated? - (answer) Daily
In Texas, pH meters are required to be calibrated on how many buffers? - (answer)
随着信息技术的迅猛发展，数字 two
时代已经成为现代社会的标志性
An industrial complex has a BOD特征。互联网、大数据、人工智
discharge to the POTW of 500 pounds per day. The population
equivalent of this industry is 500 lbs = 2,941 0.17 lbs BOD person - (answer) 2941
能等技术的普及和应用，不仅深
刻地改变了人类的生产方式、生
活方式和思维方式，也在全球范
The parameters of the BOD test are - (answer) 5 days at 20° Centigrade
围内引发了一系列深远的社会变
Standard Dimension Ratio in 迁。在这样的背景下，探讨数字
pvc pipe is defined as - (answer) Ratio of OD pipe diameter to wall
thickness 时代对社会的影响及其对人类未
来的意义，具有重要的现实意义
和理论价值。随着信息技术的迅
How should shoring be removed from a trench? - (answer) up from the bottom up
猛发展，数字时代已经成为现代
社会的标志性特征。互联网、大
In low pressure sewer systems where each tap must have a grinder pump lift station, station is
considered to be - (answer)数据、人工智能等技术的普及和
part of the collection system and the responsibility of the utility
应用，不仅深刻地改变了人类的
生产方式、生活方式和思维方式
Effective communication depends on - (answer) being a good listener
，也在全球范围内引发了一系列
深远的社会变迁。在这样的背景
When designing a wastewater collection system, the engineer considers the population for how many
下，探讨数字时代对社会的影响
years in the future? - (answer) 50
及其对人类未来的意义，具有重
According to 30 TAC Chapter 要的现实意义和理论价值。随着
317, all pipe and fittings used in wastewater pressure shall have a minimum
psi pressure rating of - (answer) 150
信息技术的迅猛发展，数字时代
已经成为现代社会的标志性特征
The minimum velocity of flow。互联网、大数据、人工智能等
in a wastewater line should be - (answer) 2.0 fps
技术的普及和应用，不仅深刻地
改变了人类的生产方式、生活方
At a construction job site, as the roadway speed increases, the spacing between cones and barricades
should - (answer) increase式和思维方式，也在全球范围内
引发了一系列深远的社会变迁。
在这样的背景下，探讨数字时代
对社会的影响及其对人类未来的
意义，具有重要的现实意义和理
论价值。
, The major cause of wastewater line stoppages is - (answer) roots and grease
Carbon monoxide (CO) poisoning symptoms are - (answer) tightness in the chest nausea drowsiness
and headache (all of the above)
随着信息技术的迅猛发展，数字
时代已经成为现代社会的标志性
The smallest pipe size for air recirculation of a self-priming centrifugal pump is - (answer) 1 inch
特征。互联网、大数据、人工智
能等技术的普及和应用，不仅深
刻地改变了人类的生产方式、生
Dangerous gases in a confined space may not be detected with the physical senses because - (answer)
some gases have no odor some gases may deaden the sense of smell some gases may displace the
oxygen (all of the above) 活方式和思维方式，也在全球范
围内引发了一系列深远的社会变
迁。在这样的背景下，探讨数字
What are the dangerous gases a collection system worker might come into contact with? - (answer)
时代对社会的影响及其对人类未
CO2 CO НaS CH4 (all of the above)
来的意义，具有重要的现实意义
和理论价值。随着信息技术的迅
On a construction job site, equipment booms must maintain at least how many feet of clearance from
猛发展，数字时代已经成为现代
overhead electric lines? - (answer) 10
社会的标志性特征。互联网、大
How should trench shoring be数据、人工智能等技术的普及和
installed? - (answer) to above the top of the trench
应用，不仅深刻地改变了人类的
生产方式、生活方式和思维方式
When setting work goals for an employee, the goals should be - (answer) accompanied by an action
plan ，也在全球范围内引发了一系列
深远的社会变迁。在这样的背景
下，探讨数字时代对社会的影响
According to Chapter 317, Design Criteria, a manhole can be installed within 9 feet of an existing
waterline if - (answer) the及其对人类未来的意义，具有重
manhole is completely watertight and tested for no leakage
要的现实意义和理论价值。随着
信息技术的迅猛发展，数字时代
As the population of a collection system increases, the ratio of peak flow to average daily flow will -
(answer) decrease 已经成为现代社会的标志性特征
。互联网、大数据、人工智能等
技术的普及和应用，不仅深刻地
Motivating workers to do a better job is best done by - (answer) letting workers participate in setting
goals 改变了人类的生产方式、生活方
式和思维方式，也在全球范围内
引发了一系列深远的社会变迁。
One important element of a good communicator is - (answer) being a good listener
在这样的背景下，探讨数字时代
对社会的影响及其对人类未来的
意义，具有重要的现实意义和理
论价值。
