Wastewater class d Study guides, Class notes & Summaries

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 ...

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...

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...

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 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...

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

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) 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) 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+ 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...