Water and Fuel Systems Maintenance (WFSM) Set B Volume 4 Practice Test

These questions are part of the practice quiz. Start practicing

• If the pressure switch on a 35 gpm electric pump is malfunctioning, what is the first corrective step after de-energizing the unit?
• What is another term used to refer to the backwash water tank?
• How many people are required for unpacking the ROWPU?
• What process lasts for 4 minutes and completes the backwash cycle?
• What is the environmental impact of improperly disposing of fuel?
• Which bare-base medical facility provides outpatient clinic services?
• What is the maximum allowable total dissolved solids level on the ROWPU?
• What is a common sign of fuel degradation?
• When should the multimedia filter be backwashed according to the gauge reading?
• What should you check during a routine maintenance of a water softener?
• In a dug well, from where does the water flow into the casing?
• How many hours per day is the ROWPU designed to operate?
• How many people can use the shower at any one time?
• If a float is not functioning properly in the dual pump lift station, what should you do next after cleaning it?
• What is dielectric insulation used for in water systems?
• During fuel maintenance, what does the term 'flushing' refer to?
• What is an electrically driven centrifugal pump used to pump water from the product water tanks to the end user?
• What chemical is fed to reduce corrosion inside the pipe network of the ROWPU?
• Which system element helps in controlling the flow of water to different sections?
• How many feet upstream and away from the campsite should the ROWPU intake point be located?
• Which component in a water system helps to prevent backflow?
• Which expedient latrine is best for disposing of human wastes in the field?
• How many washers and dryers are provided with the self-help laundry?
• The normal raw water flow reading should be between:
• What role does the multimedia filter play in the ROWPU?
• How many identical raw water pumps are included with the 1500 ROWPU?
• Which of the following is a sign of water contamination in fuel?
• What is the typical maintenance approach for water delivery systems?
• Approximately how big of an area do you need to set up the expandable bicon shelter system?
• What is the function of an expansion tank in a water system?
• What is an appropriate action when wastewater exceeds expected amount during laundry operations?
• When must a bag filter be replaced according to operational guidelines?
• What type of water may never be used to mix chemicals?
• Why are vent pipes critical in fuel storage tanks?
• How often should tanks be cleaned as part of fuel maintenance?
• What is the typical pressure range for a water distribution system?
• The supplemental packages for the RURK 1 contain components to repair which sized pipes?
• Which component is crucial for preventing backflow in the ROWPU system?
• When should a saddle trench expedient latrine be closed?
• What is the significance of maintaining a water distribution map?
• Which method is commonly used to disinfect water systems?
• What technical order action should be followed to correct the self-help laundry's water heater if the water is too hot?
• Which physical property of water can affect its quality and pipe integrity?
• What should be the maximum pressure of the RO pump?
• Which expedient latrine is recommended for a prolonged deployment?
• What is the purpose of chemical disinfection in the ROWPU process?
• Which subsystem is identified as the primary potable water distribution system in the BEAR setup?
• When should RO elements be replaced?
• How many drain valves are installed on the ROWPU?
• When the 550 follow on subsystem is used as an expansion, which other water distribution system is it functionally identical to?
• When forcing water to go to the RO vessels using the RO pump, what is the target flow of seawater?
• What filter needs to be backwashed during a long-term shutdown?
• The normal reading of RO pressure for saltwater is:
• What could indicate a problem with a fuel tank’s venting system?
• Each BEAR deployable latrine unit consists of how many toilets and urinals?
• What are the four most common problems that will likely occur with the shower shave unit?
• What must be done before replacing a bag filter?
• After how many washes should you discard a bag filter?
• What is the maximum allowable water temperature during cleaning operations?
• How often should underground storage tanks be inspected?
• What is the role of a fuel filter in a fuel system?
• What crucial role do fuel additives play?
• What type of pond or lagoon should be used only as a last resort when disposing of wastewater?
• What size towing capacity must the tow vehicle have to be used for the RURK?
• What is the main concern when placing a water bladder on uneven ground?
• What maintenance practice is essential for preventing microbial contamination in stored diesel?
• What is the typical storage capacity for a residential fuel tank?
• Why is it important to monitor water contamination levels in fuel systems?
• What factor can significantly impact the lifespan of fuel tanks?
• What factor contributes to maintaining the effectiveness of a leach field?
• How can excessive grease affect kitchen waste disposal systems?
• During night repair operations with the RURK 1, how close can a flood light stand be positioned to a crate's edge?
• What role does oxygen play in the degradation of stored fuel?
• What aspect of fuel management can help reduce environmental impact?
• How many gallons per hour does the 1500 ROWPU produce?
• What is the highest allowed temperature of mixed water from the shower shave pump assembly temperature regulator?
• What is a consequence of failing to backwash the multimedia filter regularly?
• What type of maintenance can extend the life of water pumps?
• What effect does grease have on the electric kitchen's evaporation beds?
• Which technical order should be consulted before operating the sewer sucker trailer?
• What is the first stage of purification in the ROWPU process?
• What should be the maximum allowable limit of lead in potable water?
• When designing a lift station, what capacity should be ensured for grease already in the trap?
• How many evaporation beds are used in a field kitchen waste disposal system?
• What pressure range is maintained by the dual pump station in the BEAR water distribution system?
• How far can the source run subsystem pump and to what height can it pump to a water storage tank?
• How many RO elements are in each ROWPU RO vessel?
• The temperature of delivered water in the shower shave facility is primarily controlled by which of the following?
• What is the purpose of a sediment bowl in fuel systems?
• What is used in a leach field to prevent fine soil particles from migrating into the gravel?
• What maintenance task helps preserve the integrity of water pipes?
• For planning purposes, how much wastewater should be expected from the field laundry?
• How many males and females does one field deployable latrine service?
• What condition could potentially cause extensive damage to the centrifugal pump on a 400 gpm diesel pump?
• What is the main purpose of a baffle board in a septic system?
• What is the first action you should take before removing a pump from one of the BEAR lift stations?
• What type of pump is used primarily for moving raw water to the treatment process?
• What is a common method for detecting leaks in a water system?
• How often should mixing valves be tested for functionality in a laundry system?
• What is the primary purpose of the distribution pump in a ROWPU system?
• What is the maximum allowable height you can fill a 20,000-gallon water bladder?
• How is a water meter beneficial to a water system?
• What can excessive grease in a lift station lead to?
• According to normal conditions, what are the proper ppm and hours needed for chlorine to disinfect the BEAR water distribution system?
• How many inches of sand are required when a 20,000-gallon water bladder is placed on rocky or uneven surfaces?
• For the unit to be grounded properly, how many feet of grounding rod must be in the ground?
• For what purpose is citric acid feeding used during the production run of the RO vessels?
• What action should be taken if the product water total dissolved solids exceed 1000 psid?
• What is typically checked during a fuel system maintenance inspection?
• When is citric acid fed to the RO system relating to product water?
• According to maintenance guidelines, above what polymer feed rate should it never be necessary to increase?
• At what total dissolved solids reading should RO elements be replaced?
• What is attached to the suction hose connected to the raw water pump to prevent the intake of damaging objects?
• What should be done if a fuel system shows signs of leakage?
• What is the advantage of a pressurized water system?
• What is the basic function of a water pressure booster?
• What are the two major types of fuel used in fuel systems maintenance?
• What type of valve is most commonly used in water distribution systems?
• What is the desired goal of a wastewater evaporation pond?
• What should be the temperature of stored diesel to prevent microbial growth?
• Which medical facility is housed in a combination of tent expandable modular personnel and Alaskan tents?
• What is the 4th and final stage of treatment that completes the ROWPU water treatment process?
• The number of saddle trenches built in the fields is determined by what factor?
• What is the diameter in inches of the drainage hoses for the shave stands?
• What is the function of a pressure-reducing valve in a water system?
• What is the primary purpose of the water distribution system in WFSM?
• How often should the ROWPU system undergo maintenance checks?
• How many hours of continuous operation should elapse before backwashing the multimedia filter as a rule of thumb?
• What type of water is required to backwash the multimedia filter?
• In a ROWPU system, which tank serves as the holding area for the backwash fluid?
• How much water is required to prime the pump on the BEAR latrines deployable pump?
• How many gallons of water does the backwash water tank hold?
• What is one method of preventing microbial growth in water systems?
• What does the acronym "FUEL" stand for in fuel maintenance?
• What is the acceptable pH range for potable water?
• How often should a deep pit latrine be sprayed for fly control?
• The normal reading of RO pressure for freshwater is:
• What color stripe is used to identify hoses for the potable water subsystem?
• What is the normal reading of RO pressure for brackish water?
• What must you do first before you set up and operate the ROWPU?
• Which stage of the ROWPU process would typically involve introducing sodium hex?
• When performing a valve pit repair in conjunction with an in-crater repair, where should the valve manifold be located?
• Name an important consideration when installing a new waterline.
• What is the first step if the RO pressure drops unexpectedly?
• To prevent the growth of rooted aquatic plants, what is the minimum depth of an oxidation pond?
• What is a common maintenance task for a water distribution system?
• What should be done to prevent contamination in a water distribution system?
• What is the purpose of mixing valves in water heaters?
• When expanding water facilities, what should be capable of impounding at least the total?
• During what condition should the membrane cleaning with citric acid be performed?
• What safety equipment is essential when working around fuel systems?
• What is the main risk associated with aging fuel tanks?
• What is an important parameter to monitor in diesel fuel tanks?
• Which of the following would be a reason to clean the RO vessels?
• Once operational, what water source is used to mix the chemical used in the ROWPU?
• How long can the BEAR water storage capacity sustain a 1100 person camp without new water production?
• What is the benefit of using dual filtration systems in fuel maintenance?
• Which color band designates ROWPU piping that carries filtered water?
• What is the best method to protect hard wall piping from solar radiation?
• What is the purpose of a sediment trap in a fuel system?
• What is the impact of water accumulation in fuel tanks?
• What reduces the agitation of the scum layer in the septic tank?
• Why is marking trucks as potable and non-potable critical?
• What is the primary cause of rust formation in water tanks?
• What is the target flow for brackish water?
• In which scenario is the use of the RURK 1 prohibited?
• How many sinks and showers does the expandable bicon shelter contain?
• What is the function of a thermocouple in fuel systems?
• Which type of latrine is characterized by ventilation to reduce odors?
• What color band is used for ROWPU piping that carries product water?
• Which color band designates reverse osmosis water purification piping that carries raw water?
• How often should water quality tests be conducted?
• What is the primary indicator of a water system leak?
• Sodium Hex is fed by the ROWPU chemical feed pump at the?
• What is an essential precaution when operating the sewer sucker trailer?
• What are the proper dimensions of the mound latrine?
• What is an acceptable turbidity level for drinking water?
• Name one common type of corrosion found in water systems.
• Why is it important to monitor fuel temperatures?
• How many feet is the diameter of a dug well?
• What is the minimum chlorine residual that should be maintained at the point of use in a BEAR water distribution system?
• What immediate action must be taken if a deep pit latrine reaches capacity?
• Which component is crucial for ensuring only clean water enters the reverse osmosis process?
• What components are included in the BEAR package macerator pump lift stations?
• How can cross-contamination be eliminated with the water distribution truck?
• What is used to measure total dissolved solids and temperature?