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CWEA Practice Exam With 100% Verified And Correct Answers 2024, Exams of Advanced Education

A practice exam for the california water environment association (cwea) certification exam, covering a wide range of topics related to water and wastewater treatment, maintenance, and safety. The exam includes multiple-choice questions with detailed explanations for the correct answers, covering subjects such as welding processes, engine mechanics, electrical systems, instrumentation, safety protocols, and various mathematical calculations. The comprehensive nature of the practice exam suggests it could be a valuable resource for individuals preparing for the cwea certification exam, as it provides an opportunity to test their knowledge and identify areas that may require further study. The document could be particularly useful for water and wastewater treatment professionals, maintenance technicians, and engineers who are seeking to obtain or renew their cwea certification.

Typology: Exams

2024/2025

Available from 09/24/2024

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Download CWEA Practice Exam With 100% Verified And Correct Answers 2024 and more Exams Advanced Education in PDF only on Docsity!

CWEA Practice Exam With 100% Verified

And Correct Answers 2024

Which welding process is most commonly used for SMALL pipe maintenance welding? - Correct Answer-OxyAcetylene gas welding What is the proper definition of an engine? - Correct Answer-It is a machine designed to convert energy into useful mechanical motion What is wet stacking and how can it be prevented? - Correct Answer-It is unburned fuel collecting in the exhaust due to light or no load conditions To check flywheel face runout, where should the dial indicator be positioned? - Correct Answer-The base on the bell housing and pointer on the flywheel face If a 38-tooth gear running at 360 rmp is driving another gear at 144 rmp what is the number of teeth on the driven gear? - Correct Answer- Which of the following is required for a sealed ball bearing? - Correct Answer-It does not need to be lubricated under normal use A DAFT is an acronym meaning: - Correct Answer-Dissolved Air Flotation Thickener What is the governing agency that permits odor control systems? - Correct Answer- AQMD At what pressure rating would you use a blower instead of a fan? - Correct Answer-7 psi Which of the following valves is unsuitable for high-pressure flow? - Correct Answer-A needle valve A sodium hypochlorite tank's full working capacity is 23,000 gallons. Its current level is at 1,200 gallons. How many gallons does the delivery driver need to add to bring it to 70% capacity? - Correct Answer-14,900 gal. What is the result if 6/8 " is converted to decimal form? - Correct Answer-. What is the conversion of 100° Celsius into Fahrenheit? - Correct Answer-212° If 17.32 v are applied across a resistance of 50 ohms, how much power is extended in the resistor? - Correct Answer-6.0 watts A standard steel plate is 4' wide, 8' long, and 1' thick. If steel weighs 490 lbs/ft^3, what is the total weight of this plate? - Correct Answer-1,306.6 lbs

What is the volume in cubic feet of carbon media that is 6' thick in clarifier that has 50' diameter and is 20' deep? Round answer to the nearest cubic foot. - Correct Answer- 11,781 ft^ A 150-watt, 120-volt lamp burns constantly for 8 hours at a rated voltage. What is the energy used in watts/hours? - Correct Answer-1,200 watts/hours Which of the following is 12/16 of one inch equal to? - Correct Answer-3/4 inch The property if an electrical circuit restricts the flow of current and: - Correct Answer- resistance Which of the following can burn the insulation of the supply connections at the motor starter? - Correct Answer-The connections are loose or have poor contacts Where do you start troubleshooting when an electrical motor fails to operate after observing a mechanical failure? - Correct Answer-At the power source What does NEC stand for? - Correct Answer-National Electrical Code What is a pipe union typically used for? - Correct Answer-It is used to connect pipes Which of the following electrical circuits had more than one path for the current to flow?

  • Correct Answer-Parallel circuit Overloading of an electrical circuit may be caused by which of the following? - Correct Answer-Connecting loads that draw too much current What type of current is stored in 9-volt battery? - Correct Answer-Direct current What does GFI stand for? - Correct Answer-Ground Fault Interrupter What does EMT stand for? - Correct Answer-Electrical Metal Tubing What device would be used to measure AC current flow in a large diameter conductor?
  • Correct Answer-A clamp-on type ammeter What is the purpose of electrical interlock switches on panel doors? - Correct Answer- To interrupt local power for personal protections Which of the following actions should be taken before working on controls that may disrupt plant operations? - Correct Answer-Have an operator present (this is not an action)

What is the purpose of installing toe boards around the base where guard rails are placed along elevated work areas? - Correct Answer-As protection from tools or objects that may roll off What action is necessary before restarting rotating equipment that has recently undergone repair? - Correct Answer-All removed guards must be installed What is the main purpose of a confined space safety permit? - Correct Answer-It ensures the use of safety precautions and safe procedures The acronym "LOTO" is used to identify: - Correct Answer-Lock Out/Tag Out What does the acronym SDS represent? - Correct Answer-Safety Data Sheet Which problem will NOT occur when a person works in a very hot area for prolonged period of time? - Correct Answer-hypothermia When leaving a remote lift station, why is it important to secure the station? - Correct Answer-To prevent vandalism and possible injury to trespassers What is the purpose of a breakaway switch? - Correct Answer-To apply the brakes on a trailer in the event of a trailer release from a vehicle According to the image, what does this hand signal indicate? - Correct Answer-Raise load slowly According to the image, what does this hand signal asking to do during a rigging operation? - Correct Answer-Raise boom and lower load Heavy objects are made mostly of: - Correct Answer-iron and steel Which threads are tapered to provide a pressure tight and watertight seal? - Correct Answer-NPT Threads When installing a bearing with a press fit onto a shaft, the pressure should be applied to: - Correct Answer-the inner race What type of saw is used to cut metallic materials? - Correct Answer-hacksaw What tool would be used to install tight fitting bearings? - Correct Answer-A stationary hydraulic press Which of the following is most true about a chuck key for a drill press? - Correct Answer-It should be attached to the drill press by a short chain or cable A rotary hammer drill is used to drill: - Correct Answer-concrete

A bourdon tube in pressure gauge is normally of what design? - Correct Answer-C- shape Which tool is most commonly used to machine keyways in hubs or bores? - Correct Answer-broach A fabricated piece of 12-inch diameter pipe, 48 feet long, weighs 35 pounds per lineal foot. What is the weight of the total load? - Correct Answer-1,680 lbs Jaime must paint a 16" wide, red stripe completely around a water tank at a centered height of 18 feet. The tank's dimensions are 25 feet high and 150 feet in diameter. How long, in linear feet, will the stripe be? - Correct Answer-471 feet Why is water commonly omitted from the concrete ratio? - Correct Answer-Because the amount of water used involves a consideration of both the degree of exposure and strength requirements of the complete structure. How much coat is needed to properly protect a tank or channel from deterioration? - Correct Answer-Two or more coats A scale on a blueprint indicates 1" = 2". What does the scale mean? - Correct Answer- Each line on the print is shown half its actual size Using the table, calculate the head loss in psi for 2000 ft section of new 10" Cast Iron pipe with a flow of 650 GPM. - Correct Answer-2. Which of the following should be used to guide the frequency schedule of a preventative maintenance? - Correct Answer-The amount of continuous usage of the equipment Of the following, which is the first step to create a preventative maintenance? - Correct Answer-Get all drawings needed, such as the building equipment drawing or other map of the plant or process that lists all the equipment and show the location. A computerized maintenance management system is a/n: - Correct Answer-tool Of the following, which is the LEAST important when accepting a work order from wither a superior or from an assigned group work order. Remember choose the LEAST important. - Correct Answer-You need for speedy completion. After all, they are assigned and when you want to look good. You are working along with a coworker to do a preventative maintenance task and you notice that they are not taking notes for record keeping. Since you know your coworker to be a good team member and will take advice well, which of the following reasons should you give to make sure he takes notes on the maintenance. - Correct Answer-

Records are needed to show the type and frequency of maintenance of operating units and to evaluate the effectiveness of the maintenance programs