Sanitary engineering - Study guides, Class notes & Summaries

REHS Exam Questions and Answers Latest Updated 2024/2025 (Graded A+) A factor or agent which increases the risk of cancer is known as a a. teratogen b. mutagen c. carcinogen d. fomite - carcinogen 2. The four major causes of death among all age groups of Americans include all of the following except. a. homicide b. accidents c. malignant neoplasms d. heart disease - homicide 3. In recent years, the largest number of rabies cases were associated with a. skunks b. bats c. dogs d. r...

Class C Waste water Exam A-graded Final Certification Exam The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. - CORRECT ANSWER-C. Is an Aerobic biological process A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to...

What should you use during a tattoo to clean the skin? a) madacide b) antiseptic c) green soap d) alcohol - Answer- antiseptic What does 'clean' mean? a) an area that has been cleaned with soap and water b) single use equipment c) absence of soil and dirt by washing, sweeping, clearing away, or any other appropriate method rendering a sanitary condition d) someone who is free of disease or has been 'sober' for more than 90 days - Answerabsence of soil and dirt by washing, sweeping,...

BECC 2ND TEST QUESTIONS AND CORRECT ANSWERS, WITH COMPLETE SOLUTION, 2024. What is the handwheel color code for the sewage system? Gold What system uses valves with dark blue handwheels? Potable water What system uses valves with dark green handwheels? Sea water What is the purpose of a gasket? Create seal between 2 fixed faces what is the most common indication that repair or of packing or a gasket is needed Leakage What is used to identify the system is under repair and prevent ...

REHS Environmental Engineering, Planning, and Impact AnalysisA certificate of compliance is issued by the ____________ when a system is properly installed. a. manufacturer b. health department c. EPA d. property owner - correct answer health department The proper sequence of a solid waste entering the incinerator process and environmental engineering control is a. dumping platform, storage, charging hopper, residue quenching, wastewater treatment b. dumping platform, storage, charg...

Tattoo Oregon Test Questions With 100% Correct Answers. What should you use during a tattoo to clean the skin? a) madacide b) antiseptic c) green soap d) alcohol antiseptic What does 'clean' mean? a) an area that has been cleaned with soap and water b) single use equipment c) absence of soil and dirt by washing, sweeping, clearing away, or any other appropriate method rendering a sanitary condition d) someone who is free of disease or has been 'sober' for more than 90 days ...

Water Operator Class D Study Guide Questions And Answers Graded A+. The primary purpose of the Water Utility Industry - correct answer. The production and delivery of safe drinking water to consumers Those who work in the public water industry have a responsibility to meet standards created by these types of government entities. - correct answer. Federal and State basic federal and state standards state that Water must be: - correct answer. disinfected, delivered at a...

Class C Wastewater Exam Questions and Answers 2024/2025 (Graded A+) The Activated Sludge Process: A. requires preaeration B. requires Activated Carbon C. is an aerobic biological process. D. Usually precedes primary sedimentation. E. Requires 50% by volume old sludge to work effectively. - ANSWER-C. Is an Aerobic biological process A complete mix activated sludge plant has a fast settling sludge and high amounts of pin floc leaving the clarifier. One way to correct this problem is to : ...

The primary purpose of the Water Utility Industry The production and delivery of safe drinking water to consumers Those who work in the public water industry have a responsibility to meet standards created by these types of government entities. Federal and State basic federal and state standards state that Water must be: disinfected, delivered at adequate pressure, and be ample in quantity. Employees should guard what the water supply and facilities Employees shou...

BACKFLOW TESTER AND REPAIR EXAM QUESTIONS WITH COMPLETE SOLUTIONS VERIFIED GRADED A+ Backflow anything that causes the water to flow in the opposite direction; the reversal of the normal direction of flow. When does backflow occur? whenever the pressure from the customer becomes greater than the pressure in the public water distribution system. Backsiphonage backflow that occurs whenever a cross-connection exists and a negative or reduced pressure is generated in the public water supply. ...