Ph of wastewater - Study guides, Class notes & Summaries

Seeding of BOD samples is necessary when samples - (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 = ...

Wastewater Practice Test (Florida) English Exam Questions And Answers According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is described as: - ANS A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly flow FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally reported to the state warning point no later than: - ANS 24hrs from discovery What is the 'rule of thumb' regarding pump packing? - ANS Never put rings of new packin...

According to FDEP chapter 62-600.440 (4) (b) FAC, basic level disinfection is described as: - Answer A chlorine residual of 0.5 mg/L for 15 minutes at peak hourly flow FDEP chapter 62-604.550 (a) FAC, requires a wastewater spill shall be verbally reported to the state warning point no later than: - Answer 24hrs from discovery What is the 'rule of thumb' regarding pump packing? - Answer Never put rings of new packing over the old packing According to FDEP chapter 62-60, FAC, a co...

Seeding of BOD samples is necessary when samples - (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 =...

BIO 250 Final Exam (Microbiology) | 60 Questions With 100% Correct Answers | Latest Update | Graded A+. What microbial process was responsible for changing Earth’s atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonication b. denitrica...

OSSF DR TEST PRACTICE QUESTIONS WITH VERIFIED ANSWERS _______ and ________ soil textural classes are always unsuitable for standard absorptive OSSF class IA and IV List each of the major soil horizons surface soil A, surface soil B, and parent material _____________ is a term describing the ability of water to migrate through a soil profile under either _________ or __________ conditions. Hydraulic conductivity, saturated, unsaturated Interconnected pores in the soil profile all...

1-What microbial process was responsible for changing Earth’s atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation 2-In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonification b. denitrification c. nitrification d. nitrogen fixation 3-Farmers commonly inoculate legume crops with Rhi...

Muerto Canyon virus (MCV) is a Hantavirus mainly carried by... - ANSWER-Mice The wastewater from the flushing of a water closet, latrine, or privy is referred to as: - ANSWER-Black water Bloodborne pathogens are regulated by: - ANSWER-OSHA A negative pressure fit test for a protective mask: - ANSWER-Is done by placing both palms against the intake filters Excessive condensation, corrosion, and mildew occur when the relative humidity exceeds... - ANSWER-60% Quantitative risk assess...

An amperometric titration is often used when measuring Residual chlorine The most important reason for chlorinating effluent is Disinfection Chlorination serves primarily to destroy or deactivate disease-producing microorganisms When wastewater samples are chlorinated and the pH is lowered HCLO is formed Hypochlorous acid Which of the following constituents is the best disinfecting agent? HClO What is most likely to interfere with the DPD test? Oxidized man...

Seeding of BOD samples is necessary when samples - Correct Answer (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Correct Answer Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.2...