Wastewater class d Study guides, Class notes & Summaries
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TCEQ Wastewater Class D License Prep Exam Well Answered 100% 2024.
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Minimum velocity required to keep solids in suspension? - Answer 2ft/sec 
 
Minimum required velocity a inverted siphon requires? - Answer 3ft/sec 
 
Two most common pipe materials used in the collection system? - Answer Clay & PVC 
 
OSHA minimum standards for shoring, sloping, or trench boxes are? - Answer 5ft or deeper 
 
If the trench is _____ or deeper, use a portable ladder or other means of exit. - Answer 4ft or deeper 
 
The ladder most extend ____ feet above the trench and be ...
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Wastewater Collector Class D License Chapter 6 Questions and Answers Already Passed Latest Updated 2023 | Graded A+
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1. I & I causes hydraulic overload on wastewater lines, lift stations and the 
wastewater 
treatment plant. 
a. true 
b. false a. true 
I & I, (Inflow & Infiltration) causes hydraulic overload to wastewater lines, lift 
stations, and treatment plants. 
2. When the treatment plant is overloaded, the bypassed, spilled or under–treated 
wastewater 
pollutes rivers and streams. 
a. true 
b. false a. true 
3. I & I and exfiltration results from poor construction or design, cracked pipe or 
improper...
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Wastewater Collector Class D License Chapter 7 Questions and Answers Already Passed Latest Updated 2023 | Graded A+
- Exam (elaborations) • 9 pages • 2023
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1. Studies show that ________ of all accidents began with a state of mind that led to 
a critical 
thinking error. 
a. 40% 
b. 60% 
c. 70% 
d. 80% d. 80% 
2. Components of an effective safety program include ________. 
a. audit and inspections, OSHA oversight 
b. education and training, record keeping 
c. accident investigation, fault determination 
d. National Safety Council membership b. education and training, record 
keeping 
3. Tailgate safety sessions should ________. 
a. always be held in...
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Wastewater Collector Class D License Chapter 6 Questions and Answers Already Passed Latest Updated 2023 | Graded A+
- Exam (elaborations) • 9 pages • 2023
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1. I & I causes hydraulic overload on wastewater lines, lift stations and the 
wastewater 
treatment plant. 
a. true 
b. false a. true 
I & I, (Inflow & Infiltration) causes hydraulic overload to wastewater lines, lift 
stations, and treatment plants. 
2. When the treatment plant is overloaded, the bypassed, spilled or under–treated 
wastewater 
pollutes rivers and streams. 
a. true 
b. false a. true 
3. I & I and exfiltration results from poor construction or design, cracked pipe or 
improper...
-
Wastewater Treatment Class I Questions and Answers 100% Correct
- Exam (elaborations) • 22 pages • 2024
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Wastewater Treatment Class I Questions and Answers 100% Correct 
 
 
Wastewater Treatment Class I Questions and Answers 100% Correct 
 
 
Wastewater Treatment Class I Questions and Answers 100% Correct 
 
 
Wastewater Treatment Class I Questions and Answers 100% Correct 
 
a) alert the operator on duty 
 
Always alert the operator on duty before shutting down any equipment so as to prevent the possibility of harming personnel or affecting process performance as a result of the shutdown. - ANSWER...
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Wastewater Collector Class D License Chapter 7 Questions and Answers Already Passed Latest Updated 2023 | Graded A+
- Exam (elaborations) • 9 pages • 2023
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- $12.48
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1. Studies show that ________ of all accidents began with a state of mind that led to 
a critical 
thinking error. 
a. 40% 
b. 60% 
c. 70% 
d. 80% d. 80% 
2. Components of an effective safety program include ________. 
a. audit and inspections, OSHA oversight 
b. education and training, record keeping 
c. accident investigation, fault determination 
d. National Safety Council membership b. education and training, record 
keeping
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Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025)
- Exam (elaborations) • 54 pages • 2024
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Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025) The first step the maintenance staff should take in properly locking and tagging out a piece of 
equipment is to... 
a) alert the operator on duty 
b) turn the equipment off at the motor control center (MCC) 
c) pull the switch on the electrical panel to "OFF" 
d) fill out the tags a) alert the operator on duty 
Always alert the operator on duty before shutting down any equipment so as to prevent the 
possibility ...
-
Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025)
- Exam (elaborations) • 54 pages • 2024
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Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025) The first step the maintenance staff should take in properly locking and tagging out a piece of 
equipment is to... 
a) alert the operator on duty 
b) turn the equipment off at the motor control center (MCC) 
c) pull the switch on the electrical panel to "OFF" 
d) fill out the tags a) alert the operator on duty 
Always alert the operator on duty before shutting down any equipment so as to prevent the 
possibility ...
-
Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025)
- Exam (elaborations) • 54 pages • 2024
-
- $12.49
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Wastewater Treatment Class I Questions and Answers Already Graded A+ (2024/2025) The first step the maintenance staff should take in properly locking and tagging out a piece of 
equipment is to... 
a) alert the operator on duty 
b) turn the equipment off at the motor control center (MCC) 
c) pull the switch on the electrical panel to "OFF" 
d) fill out the tags a) alert the operator on duty 
Always alert the operator on duty before shutting down any equipment so as to prevent the 
possibility ...
-
Wastewater Collector Class D License Chapter 7 Questions and Answers Already Passed Latest Updated 2023 | Graded A+
- Exam (elaborations) • 9 pages • 2023
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Wastewater Collector Class D License Chapter 7 
Questions and Answers Already Passed Latest 
Updated 2023 | Graded A+ 
1. Studies show that ________ of all accidents began with a state of mind that led to 
a critical 
thinking error. 
a. 40% 
b. 60% 
c. 70% 
d. 80% d. 80% 
2. Components of an effective safety program include ________. 
a. audit and inspections, OSHA oversight 
b. education and training, record keeping 
c. accident investigation, fault determination 
d. National Safety Council me...
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