Industrial drain Study guides, Class notes & Summaries

Building sewers shall be tested by completely filling the sewer with water from the ______ A. Lowest to highest point B. Lowest to at least 5' head C. Lowest to at least 10' head D. Lowest to at least ground level correct answer: C. Lowest to at least 10' head Hot and cold water piping may be tested with ____ A. 40 psi-150 psi water for 10 minutes B. 35 psi for at least 15 minutes C. 50 psi or the working pressure of the water in the system for at least 15 minutes D. 100 psi of ai...

Qualified Personnel correct answer: a person knowledgeable in the principles and practice of erosion and sediment controls who possesses the skills to assess conditions at the construction site that could impact storm water quality and to assess the effectiveness of any sediment and erosion control measures selected to control the quality of storm water discharges from the construction acitivities How must the inspector act? correct answer: professional, impartial, courteous, consistent in ...

PVC pipe correct answer: schedule 40, schedule 80, and (DWV) CPVC correct answer: rated for 180°F at 100 (psi) ABS pipe correct answer: used for building drain, waste and vents Polybutylene (PB) pipe correct answer: flexible tubing used for coldwater building supply and underground sprinkler systems Polyethylene (PE) pipe correct answer: for industrial piping systems, as well as for buried gas and water pipelines. Polyproylene (PP) pipe correct answer: used for industrial...

hazwoper 8 hour refresher test (Answered 100% Correctly) Latest 2024 hazwoper 8 hour refresher test (Answered 100% Correctly) Latest 2024 Which of the following is NOT a likely cause of a hazardous substance accident? A Broken or rusted pipes B Following standard operating procedures C Faulty valves or transfer hoses D Leaking tank b What is a hazardous substance? A Any substance defined under section 101(14) of CERCLA B Any biological agent and other disease-causing agen...

CSLB B LICENSE GENERAL CONTRACTOR EXAM QUESTIONS AND ANSWERS 2024 If unused mortar stiffens due to hydration of cement, what must you do? - ANS-Discard the mortar What minimum time must you wait before caulking or grouting new tiles? - ANS-24-48 Hours How long should you wait before installing tile on a shower pan? - ANS-24 Hours Unstable dry rock, angular gravel, sandy loam, and cohesive soils having compressive strengths greater than 0.5 and less than 1.5 tons/sq ft (tsf), are typical ex...

1. Qualified Personnel: a person knowledgeable in the principles and practice of erosion and sediment controls who possesses the skills to assess conditions at the construction site that could impact storm water quality and to assess the effectiveness of any sediment and erosion control measures selected to control the quality of storm water discharges from the construction acitivities 2. How must the inspector act?: professional, impartial, courteous, consistent in every situation, honest and...

CESSWI- Sections 1 + 2 Questions with Correct Answers 100% Verified 2024/2025 Qualified Personnel - Correct Answer a person knowledgeable in the principles and practice of erosion and sediment controls who possesses the skills to assess conditions at the construction site that could impact storm water quality and to assess the effectiveness of any sediment and erosion control measures selected to control the quality of storm water discharges from the construction acitivities How must the ins...

Qualified Personnel - Answer-a person knowledgeable in the principles and practice of erosion and sediment controls who possesses the skills to assess conditions at the construction site that could impact storm water quality and to assess the effectiveness of any sediment and erosion control measures selected to control the quality of storm water discharges from the construction acitivities How must the inspector act? - Answer-professional, impartial, courteous, consistent in every situatio...

How much of the population is on individual sewage disposal systems? - ANSWER-1/3 of population What is the time limit for wastewater traveling to the waste water facility? Why? - ANSWER-2 days Fresh wastewater is easily treated and highly putrid Septic wastewater requires more treatment, cost, and energy How fast does wastewater move through sewer pipes? - ANSWER-2 feet per second Any slower and water tends to decay faster and become septic How far are manholes placed apart? W...

CESSWI- Sections 1 + 2 Exam Questions And Answers Qualified Personnel - ANS a person knowledgeable in the principles and practice of erosion and sediment controls who possesses the skills to assess conditions at the construction site that could impact storm water quality and to assess the effectiveness of any sediment and erosion control measures selected to control the quality of storm water discharges from the construction activities How must the inspector act? - ANS professiona...