Remojudytask

1. Water resources in Texas include lakes, rivers, bays, estuaries, wetlands, groundwater, and stormwater runoff. a. true b. false - SOLVED ANSWER-b 2. Water pollutants include organic and inorganic material, heat, and radiation. a. true b. false - SOLVED ANSWER-a 3. In Texas, clean water is needed to provide for human consumption and recreation, maintain aquatic habitats for wildlife, supply bays with fresh water, recharge groundwater, and provide for industry. a. true...

What is TCEQ doing to control, "point source" pollution in the Texas waterways? - CORRECT ANSWER-TCEQ approves permits for domestic wastewater plants and Permitting of industrial wastewater plants. Describe proper design of force main wastewater lines. - CORRECT ANSWER-Minimum two feet per second velocity, with the smallest pump operating alone. Minimum four inch diameter pipe, with 150 psi rating. If an operations company ceases its operation or is sold such that the control of the...

The term pathogenic means - CORRECT ANSWER-Capable of causing disease Question: The minimum separation, between sewer lines, and potable water lines is A. 8 feet B. 9 feet C. 10 feet - CORRECT ANSWER-B. 9 feet Question: before entering a confined space, a worker should perform, what procedures - CORRECT ANSWER-Answer:have an approved monitoring device, and check, for the presence of dangerous gasses, ventilate, the space with a blower, wear a safety harness, and be attach to a life li...

A primary clarifier has a flow of 3.0 MGD and has a diameter of 100 feet. It is 12 feet deep and has 24 inches of freeboard. What is the detention time in hours? - CORRECT ANSWER-4.7 hrs Anaerobic digester gas should contain? - CORRECT ANSWER-65-75% methane, 25-35% carbon dioxide and 1-5% nitrogen. An activated sludge plant has an average daily flow of 3.5 MG. The aeration tank capacity is 1.2 MG with a MLSS concentration of 3200 mg/L. The clarifier has a capacity of 400,000 gallons with 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. - 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 : A. Increase the RAS Flow B. Reduce Wasting Rates C. In...

What removes Total Suspended Solids from a sample (TSS) - SOLVED ANSWER-filtration What chapter of the Texas Water Code gives T C E Q authority to control discharges in Texas. - SOLVED ANSWER-Chapter 26 Inorganic solids include - SOLVED ANSWER-sand, grit and minerals Organic solids include - SOLVED ANSWER-organic materials from plants, animals or humans A good plant influent pH is about - SOLVED ANSWER-7.2 A simple method for indicating when to waste sludge is - SOLVED ANSWER-30 m...

MCRT - SOLVED ANSWER-mean cell residence time At a pump station, you find that the pumps are continuously pumping, the Wet well indicator is showing high level, the Wet well is actually empty- what is the likely cause? - SOLVED ANSWER-Bubbler is stopped up or there is a hole in the bubbler line vulnerability assessment - SOLVED ANSWER-Where are you go through and identify areas of risk or identify hazards Do you use a positive or negative pressure mask when using SCBA(self-contained bre...

What is TCEQ doing to control "point source" pollution of the Texas waterways? - CORRECT ANSWER-*Permitting of domestic wastewater plants *Permitting of industrial wastewater plants Describe proper design of force main wastewater lines. - CORRECT ANSWER-Minimum two fps velocity with the smallest pump operating alone. Minimum four inch diameter pipe with 150 psi rating. What is Standard Dimension Ratio? - CORRECT ANSWER-Ratio of outside pipe diameter (OD) to wall thickness (PVC) D...

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...

The name of the State Agency responsible for enforcing pollution control laws in Texas is - a. Texas Water Development Board b. Texas Water Commission c. Texas Section of EPA d. Texas Commission on Environmental Quality e. Texas Water Resource and Conservation Commission - CORRECT ANSWER-D The term pathogenic means - a. Aerobic Bacteria b. Anaerobic Bacteria c. Fecal Matter d. Coliform Bacteria e. Capable of Causing Disease - CORRECT ANSWER-E The minimum separation between...

Liftstations at a treatment plant or those which discharge directly to a treatment plant with an average flow greater than 0.1 MGD shall have three or more pumps or have automatically controlled variable capacity pumps, these pumps should be adjusted to actual flow conditions and controlled to operate so as to: - CORRECT ANSWER-Minimize surges in the treatment in the treatment units. Activated carbon is used in physical-chemical treatment of wastewater to remove primarily: - CORRECT ANSWER-Ch...

What is the most important factor affecting the useful life of service lines? - CORRECT ANSWER-It is the ability of the material to resist internal and external corrosion How do you tests fir alkalinity? - CORRECT ANSWER-The two tritiation methods of analysis are a standard acid to titrate a sample. The end point of the titration is determined by the following: an indicator that changes color at a certain pH, or potentiometric titration to end - point pH. Using either of the methods, a measur...

These can be used to dewater sludge - CORRECT ANSWER-belt press, drying beds, solid bowl centrifuge, gravity thickener Most important to providing adequate sewage treatment in a stabilization pond - CORRECT ANSWER-sunlight, algae, bacteria and time Offensive and objectionable odors which sometimes occur in trickling filters usually indicate - CORRECT ANSWER-septic conditions are present Dissolved Oxygen (DO) in aeration tank of an activated sludge plant should be maintained at or about ...

each person contributes about _______ pounds of BOD daily - CORRECT ANSWER-0.17 a ladder must be within ______ feet of anyone in a trench - CORRECT ANSWER-25 Examples of point source discharges include which of the following - CORRECT ANSWER-Municipal, industrial, and agricultural wastewater treatment facilities Protecting Texas water from contamination requires which of the following of wastewater - CORRECT ANSWER-Collection and transportation to treatment, treatment that removes conta...

Primary Clarifiers - CORRECT ANSWER-In an activated sludge treatment system, primary treatment processes include the: Removal of Inorganic material from grit - CORRECT ANSWER-In a washing grit remover, the grit is moved slowly by screw conveyors up an inclined channel in order to? Precision and Accuracy - CORRECT ANSWER-Reliable laboratory results are obtained primarily through None in 24 hr - CORRECT ANSWER-A 24-hour composite sample was tested for chlorine residual and found to contai...

The name of the State Agency responsible for enforcing pollution control laws in Texas - CORRECT ANSWER-Texas Commission of Environmental Quality In the activated sludge system, Hydraulic Wash Out can be controlled by - CORRECT ANSWER-flow equalization, Additional clarifier capacity or inflow reduction In the activated sludge system, if the operator observed Boiling action, Violent turbulence throughout the aeration tank surface, Large air bubbles 1/2 inch or greater, the operator would su...

Maryville NURS 615 exam Package Deal Questions With 100% Complete Solutions Scored A+

What is meant by the onset of action, peak of action, duration of action of medications? - SOLVED ANSWER-The onset of action is the time between the drug administration and the time that you see the drugs minimum effect. Onset is the first sign of a drugs therapeutic effect. Peak of action is the time of the maximum concentration of the drug in the blood. Duration of action is the onset of action and the metabolism of the drug below the dose needed for an effect. Explain first pass metabolism...

1. Identify the stages of drug development and how the drugs are tested at each phase. - SOLVED ANSWER-ANS: Phase 1: Testing of a new compound in health subjects, for the purpose of establishing the tolerance of health human subjects at different doses, defining its pharmacological effects at anticipated therapeutic levels, and studying its absorption, distribution, metabolism, and excretion patterns in humans. Phase 2:Controlled clinical evaluation is done on patients with a specific dise...

What medication affects Lamictal? - SOLVED ANSWER-OCPs decrease the effects of this drug, so the dose must be doubled Can valproate (Depakote) be used during pregnancy? - SOLVED ANSWER-It is a known teratogen. If needed, must be used after 1st trimester. What must be ruled out in patients before starting an anti-depressant? - SOLVED ANSWER-hypothyroidism Anti-depressant that is to be used with caution in cardiac patients due to behaving like class 1 anti-arrythmics? - SOLVED ANSWER-TCAs...