Sewer pipes Study guides, Class notes & Summaries

ASPE CPD Study Questions AH with complete solutions. Front - correct answer. Back What is the specific weight of water? - correct answer. 62.4 lbs per cubic foot What happens in a storm and sanitary system after it passes the water test? - correct answer. A smoke pressure test is recommended with a smoke pressure of 1 in wc to prove the system gas tight. Is an air test acceptable for a storm and sanitary system? - correct answer. Yes, if a water test is not poss...

Massachusetts Plumbers Journeyman Exam Questions And Answers Existing Work - answerA plumbing system or any part thereof installed prior to March 11, 2005. Soil Pipe - answerAny pipe that conveys the discharge of toilets, urinals or fixtures having similar functions to the building drain or building sewer. The discharge may be conveyed with or without the discharge from other fixtures Water Distribution Pipe - answerA pipe within the building or on the premises that conveys water from the water ...

Texas State Plumbing Inspectors Exam Study Questions with Complete Answers Fixture connections which may be served through access panels are considered Accessible The part of the lowest piping of a drainage system, which recieves the discharge from the soil, waste and other drainage pipes inside the walls of the building and conveys it to a point 2 feet outside the building wall is a Building drain A vertical vent that is a continuation of the drain to which it connects is a Continuo...

Industrial Storm Water Certified Operator Exam Questions With Correct Answers 2023/2024 | 100% Verified. Organic enrichment of storm water runoff from sources such as food processing, airport deicing, antifreezes, and sewage create addition oxygen demand in lakes and streams. Much of the demand is due to bacteria feeding on these materials. The increased oxygen demand can lead to ____________________________________, which is a common cause of fish kills. - Correct Answer-Oxygen depletion ...

TCEQ D Wastewater Exam Questions and Answers Minimum velocity at average flow in a sanitary sewer should be about ____ft/sec? - Answer-2ft/sec What types of pumps are used? - Answer-Centrifugal Lime controls what? - Answer-pH Good house keeping is important for the operators _______ - Answer-Safety F/M ratio formula represented by: - Answer-Volatile, suspended solids, aeration tank (VSSAT) A chlorine leak is detected by_______ - Answer-Vapor 10% ammonia Main purpose of BOD ...

Name four characteristics of asbestos - Answer-Naturally occurring, fibrous, hydrated, mineral and silicates What type of asbestos is the fibrous serpentine - Answer-chrysotile (white asbestos) Name the 5 amphiboles - Answer-Amosite Tremolite Actinolite Crocidolite Anthopyllite Name physical properties of asbestos - Answer-fire resistant spinnability tensile strength strong and durable resists fungus growth corrosion heat acids vermin What were some of the uses ...

What is cpvc used for? - Answer- Typically used for HW and CW distribution, Fire sprinkler pipes, water distribution What is PEX used for? - Answer- Water service piping, CW and HW systems, used commonly in residential Hangers typically take up ___ of labor cost - Answer- 20% DWV Drain Waste Vent SS Sanitary Sewer OSHA requires trenching protection at ___. 5 feet or greater

Alabama Wastewater Collection Grade 1 C Exam Questions With Verified Solutions A flow of 60 gph is equal to? a. 1 mgd b. 1mg/L c. 10 gpm d. 1 gpm - ANS d. 1 gpm (60 gph / 60 min/hr ) The slope of a sewer is measured by a. The difference from the crown to the invert b. The difference in invert elevations over the length of the pipe c. Using the diameter of the pipe d. Only entering the manhole - ANS b. The difference in invert elevation over the length of t...

Name four characteristics of asbestos CORRECT ANSWER Naturally occurring, fibrous, hydrated, mineral and silicates What type of asbestos is the fibrous serpentine CORRECT ANSWER chrysotile (white asbestos) Name the 5 amphiboles CORRECT ANSWER Amosite Tremolite Actinolite Crocidolite Anthopyllite Name physical properties of asbestos CORRECT ANSWER fire resistant spinnability tensile strength strong and durable resists fungus growth corrosion heat acids vermin Wha...

A Flagger should Stand? A. On the shoulder adjacent to traffic being controlled B. In the closed lane before stopping vehicle traffic C. In the traffic lane. D. As stated in "A" or "B" above. D. As stated in "A" or "B" above. Legally responsible officials are required to report category 1 sanitary sewer overflows? A. Within 30 days B. Before end of the day C. As soon as possible D. Within 2 hours D. Within 2 hours When working in confined spaces or sewers, what form of lighting would you...