Angel009

Name three basic control tests involved in the aeration process. Dissolved oxygen, pH, and temperature What process usually follows aeration when attempting to remove iron content? Filtration What is the name of the process of mixing air and water through various means? Aeration What term describes the removal of volatile odor producing compounds through the process of forcing air up against a column of water flowing down? Degasification What process occurs when oxyge...

A cross-connection is defined as any actual or potential physical connection between a public potable water system or the consumer's potable water system and any source of non-potable liquid, solid, or gas that could the potable water supply by backflow - answer-contaminate Design, material, and operational standards for DCVA & RPBA are found in the - answer-AWWA standards Approved backflow prevention assemblies must be designed to be - answer-disassembled and repaired i...

The max height the water will rise in a barometric loop is dependent of? - answer Atmospheric pressure The number 1 check spring on a RP has a minimum spring tension requirement of? - answer-5 psi A double check valve assembly is installed 12 above the floor for? - answer-Maintenance A low hazard Backflow preventer is a? - answer Double Check valve assembly A field test report for a double check will include the manufacturer name, model, size and ?? - answer-Serial number ...

What is a direct cross-connection subject to? Both backsiphonage and backpressure. What must check valves be in terms of loading? Internally loaded and must be drip-tight in the reverse direction of flow with a minimum of 1 psi differential. What is an Approved Air Gap? A physical separation between the free-flowing end of a potable water supply pipeline and the overflow rim of an open or non-pressurized receiving vessel. What is Backflow? The undesirable reversal of flow of ...

To prevent backflow, an atmospheric vacuum breaker is primarily designed to ____? A. Allow air into the outlet piping system B. Create an elevation loop above ground C. Introduce head loss D. Prevent backpressure E. Restrict velocity - answer-Allow air into the outlet piping system Containing a plumbing system from the public water supply requires backflow protection at the _______? A. Appliance or fixture B. Building foundation C. Irrigation system D. Service Connection ...

What is the difference between ductile and brittle failures in pipelines? - answer Ductile failures involve significant deformation before fracture, while brittle failures occur with little deformation. What is the goal of the PHMSA training course? - answer-To provide inspectors with the knowledge necessary to perform effective inspections, not to train them as corrosion technicians or engineers. What are the objectives of the PHMSA course? - answer-Identify regulations, ...

Q8. After sampling is completed, start the tests for ACslump and air content within: A. 2 ½ minutes B. 10 minutes C. 15 minutes D. None of the above - answer-D. None of the above ASTM C172- Para (4.1.2) Start tests for slump, temperature, and air content within 5 min after obtaining the final portion of the composite sample. Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - answer-B. False ...

Question #3 Session 1 When stopped by a law enforcement officer while driving, which of the following should you do? ~ Pull over to the shoulder or other safe stopping point on the right side of the road ~ Stay in your vehicle with your seat belt fastened ~ Follow all of the officer's instructions immediately ~ Keep your hands in view at all times ~ All of the above - answer-All of the above Question #1 Session 1 Driving a vehicle on public roads is best descirbed...

What must be done to the concrete surrounding the temperature measuring device after the device is submerged in the fresh concrete. - answer-Gently press the concrete around the temperature measuring device at the surface of the concrete The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - answer-3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature o...

a) Drivers that travel too fast for conditions - Which of the following is one of the top two causes of crashes in Texas: a) Drivers that travel too fast for conditions b) Disregarding stop signs c) Drivers that drive too slow All driving safety courses must be: a) 5 hours in length b) 4 hours in length c) 6 hours in length - c) 6 hours in length The cost of auto crashes in the United States is ______ of dollars every year. a) Thousands b) Billions c) Millions - b) Bill...

Scalp lotions and ointments containing medicinal agents are applied for the purpose of: - answer Correcting a scalp condition A good freshener lotion is: - answer-Witch hazel Scalp massage is beneficial because it stimulates the: - answer-Blood circulation Wrapping the hair around permanent wave rods must be performed with an absolute minimum of: - answer-Tension The permanent wave solution is required in order to break the: - answer-Sulfur bonds In permanent waving, the proce...

Session 1: A ______ shaped road is slightly higher at the center and lower at the outer edges, allowing water to drain off the road. - answer-Crowned Session 1: If your vehicle begins to skid, you should turn the steering wheel _______. - answer-In the direction you want the front of the vehicle to go. Session 1: True or False: Of all collisions reported, most are a result of someone choosing an unsafe behavior. - answer-True Session 1: Weather-related hazards reduce driver v...

Why should you check your wiper blades before driving? Worn wipers might smudge or even scratch your windshield. Defensive Driving is about anticipating risks and taking action to avoid potentially dangerous situations. True Which option is CORRECT? If you're driving a faulty vehicle your knowledge might not be enough to avoid an accident. What threats are defensive drivers ready to "defend" themselves against? All are correct. Which statement is true about D...

Which HTML attribute specifies that the audio or video file has the ability to play, pause, rewind and adjust volume? - answer-controls="controls" Which HTML attribute identifies an image to be displayed until the play button is clicked or while a video is downloading? - answer poster="" What type of HTML5 tags clearly describe its meaning to both the browser and the developer? - answer-Semantic/Structure Elements What is the first tag in an HTML document that info...

What is muscle tissue classified as? - answer Voluntary(skeletal muscles) and involuntary(smooth & cardiac) What is meiosis? - answer-The cell division that takes place in the gonads, i.e. the ovaries and testes. What is histology? - answer-The study of tissues What is a tissue? - answer-A group of cells that act together to perform a specific function. What are the fundamental tissues? - answer-Epithelial Connective Muscle Nerve (Elephants Can Make News) What is the fun...

Portland cement concrete (PCC) hardens or gains strength by the: 1) Hydration of the portland cement (PC) 2) Drying of the portland cement concrete (PCC) — caused by the evaporation of some of the mix water 3) Adding of salts to the portland cement concrete (PCC) to promote a hardening of the PCC 4) All of the above are true 5) None of the above is true Hydration of the portland cement (PC) Which statement is NOT true about water-reducing admixtures? 1) It increases the...

What are the duties of design professionals? Engineers AND Architects: advising the owner, designing final detailed plans. What are the duties of construction professionals? Oversee and manage entire construction process, review plans and prepare cost estimates, schedules keeping up with owner requirements What are the five primary industry sectors of construction? Residential Building, Commercial Building, Heavy Civil Construction, Industrial Construction, and Environm...

When energized, a solenoid actuates upon which of the following? - answer-steel A solenoid works on the principle of - answer electromagnetic force Nonferrous metals does not contain any - answer-iron Which of the following is a ferrous metal? - answer-mild steel Properties of common ______________ materials are divided into the following categories: physical, mechanical, thermal, electric, and acoustic - answer-solid Tensile strength is the resistance a metal has to - ans...

Alan is the security manager for a mid-sized business. The company has suffered several serious data losses when mobile devices were stolen. Alan decides to implement full disk encryption on all mobile devices. What risk response did Alan take? - answer-Reduce What term describes the risk that exists after an organization has performed all planned countermeasures and controls? - answer Residual risk What a key principle of risk management programs? - answer-Don't spend mo...

What are the 4 ISO stages of an LCA? - answer-Goal and Scope Definition, Life Cycle Inventory (LCI), Life Cycle Impact Assessment (LCIA), and Interpretation Overestimating one's own expertise in a subject is an instance of _ - answer-Dunning-Kruger Effect What is the tendency to seek out and trust information that validates what we already believe? - answer-Confirmation Bias The tendency to hold onto a belief more strongly when presented with evidence that challenges s...