2f051 CDC 25 Ure

During a liquid oxygen (LOX) receipt, the procedure that is only accomplished is testing for odor. This is important because liquid oxygen is odorless, but it can support combustion, so any presence of an unusual odor could indicate contamination or a leak. Testing for odor helps to ensure the safety and quality of the liquid oxygen being received. The other procedures mentioned, such as monitoring for leaks, checking the receiving tank's ullage, and verifying the DD Form 250, may also be important during a LOX receipt, but they are not exclusive to this process.

The correct answer is 180 because performing vacuum checks on cryotainers is necessary to ensure their proper functioning and prevent any potential leaks or malfunctions. However, conducting these checks too frequently can be time-consuming and inefficient. Therefore, waiting for 180 days before performing vacuum checks strikes a balance between ensuring the cryotainers' safety and optimizing the maintenance process.

The effectiveness of the high-vacuum pump depends on the oil seal between the piston and inside casting of the pump chambers. This is because the oil seal ensures that there is no leakage of air or gas from the pump chambers, allowing the pump to create a high vacuum. Without a proper seal, the pump would not be able to maintain the desired level of vacuum, reducing its effectiveness. The size of the cryotainer, temperature within the annular space, and circular motion of the shaft and pistons may have an impact on the overall performance of the pump, but the oil seal is the critical factor for its effectiveness.

The Air Force Technical Order (AFTO) Form 134, Aviator Breathing Oxygen Servicing Trailer Log, is kept for two weeks after it is filled in completely. This suggests that the form is used to track the servicing of the oxygen trailer and is retained for a limited period for record-keeping purposes.

The correct answer is Major Command (MAJCOM). The specific time interval between supervisor reviews of the Air Force Technical Order (AFTO) Form 244, Industrial/Support Equipment Record, is determined by the Major Command. This means that the higher-level command, which oversees multiple wings and squadrons, has the authority to set the time interval for these reviews. The Wing commander, Squadron Commander, and Fuels Management Flight Commander do not have the authority to determine this interval.

The correct answer is red dash. On the Air Force Technical Order (AFTO) Form 245, a red dash symbol is annotated to represent that a required special inspection is due. This symbol is used to indicate that the equipment needs to undergo a specific inspection or maintenance procedure for safety or operational reasons. The red dash serves as a visual reminder to personnel that the equipment requires attention and should not be used until the inspection has been completed.

The correct answer is red diagonal. On the Air Force Technical Order (AFTO) Form 244, a red diagonal symbol is used to indicate an unsatisfactory condition that exists but is not dangerous enough to warrant not using the equipment. This symbol serves as a visual warning to personnel that there is an issue with the equipment that needs attention or repair. The red diagonal is a clear indication that the equipment may not be fully functional or in optimal condition, but it does not pose an immediate danger to the user.

AFTO Form 95, Significant Historical Data, acts as a permanent record of maintenance actions on equipment designated by a major command (MAJCOM). This form is used to document important information such as modifications, repairs, and inspections that have been performed on the equipment. It serves as a valuable resource for future reference and helps in tracking the maintenance history of the equipment.

The Fuels Management Team is required to conduct a monthly cryogenic storage facility inspection with the cryogenic supervisor. This suggests that the Fuels Management Team has the necessary expertise and knowledge to assess the cryogenic storage facility and ensure its proper functioning. The other options, such as Water & Fuels Systems Maintenance, Squadron commander, and Storage technician, may not have the specific training or responsibilities related to cryogenic storage facility inspections.

The correct answer is 6,000. This means that the gallon capacity of the Oshkosh R-11 storage tank is 6,000 gallons.

The winterization system on the Oshkosh R-11 Refueler is powered by a 110-volt alternating current (AC) outside power supply with a capacity of 20 amperes.

During normal operation, both dual brake air pressure gauge pointers on the Kovatch-series R-11 Refueler should register equal air pressure between 90 and 135 pounds per square inch (psi). This means that the air pressure for both brakes should be within this range for the refueler to operate properly.

The correct answer is that the brake system on the Kovatch-series R-11 Refueler will automatically apply parking brakes when the air pressure drops below 30 to 40 pounds per square inch (psi). This means that if the air pressure in the brake system falls below the specified range, the parking brakes will be engaged automatically to prevent the vehicle from rolling or moving. This safety feature ensures that the vehicle remains stationary and secure when the air pressure is insufficient to maintain proper braking functionality.

The maximum number of US gallons that can register on the meter of the Kovatch-Volvo R-11 Refueler is 99,999. This means that the meter can measure up to 99,999 gallons of fuel.

The correct answer is 40 degrees Fahrenheit (°F). The reason for using the ether starting aid for the Kovatch-Volvo R-11 Refueler at this temperature is because ether starting aids are typically used in colder temperatures to assist in starting diesel engines. Since 40 degrees Fahrenheit is relatively cold, the ether starting aid would be necessary to ensure the engine starts smoothly.

The desired engine speed for LOW FLOW servicing operations on the Kovatch-International R-11 Refueler is 1,000±50 rpm. This means that the engine should ideally run at 1,000 revolutions per minute, with a tolerance of plus or minus 50 rpm. This specific engine speed is likely recommended for low flow operations to ensure optimal performance and efficiency while carrying out refueling tasks.

The correct answer is "Emergency." In this context, an emergency refers to a situation that poses a significant risk to human life or equipment. When a technical order (TO) deficiency has the potential to cause fatal or serious injuries or damage equipment, it is crucial to submit an emergency improvement recommendation. This ensures that immediate action is taken to address the issue and prevent any potential harm or damage.

The maximum rate at which the tank on the Kovatch-series R-11 Refueler can be filled using the bottom loading system is 600 gallons per minute (gpm).

The correct answer is "Urgent." This recommendation suggests improvements involving a potentially hazardous condition that requires immediate attention and action. The urgency implies that there is a high risk or danger associated with the condition, and it needs to be addressed promptly to prevent any harm or further damage.

The maximum allowable pounds per square inch (psi) of fueling nozzle pressure used with the Beta-International R-12 Hydrant Servicing unit is 55. This means that the fueling nozzle pressure should not exceed 55 psi when using this particular unit.

If condensation is discovered in the air filter of the Beta-International R-12 Hydrant Servicing unit, the correct action to take is to drain the condensation. Condensation in the air filter can restrict airflow and potentially cause damage to the engine. By draining the condensation, the air filter can function properly and prevent any potential issues.

The surge suppressor pressure gauges on the Kovatch R-12 Hydrant Servicing unit should indicate a precharge pressure reading of 90 ± 5 psi when the surge suppressor service valves are open.

Publications that set up management standards and control the official business of the Air Force are called "instructions." Instructions provide detailed guidance and procedures for carrying out specific tasks or operations. They outline the steps to be followed and provide clear direction on how to accomplish objectives. Manuals, pamphlets, and operating instructions may also contain guidance, but instructions specifically refer to publications that establish management standards and control the official business of the Air Force.

The sump tank full indicator on the Beta-Freightliner R-12 Hydrant Servicing unit will illuminate when the sump tank is approximately 75 percent full. This means that when the tank reaches this level, the indicator will alert the user that the tank is almost completely filled.

To gain access to the Enhanced Technical Information Management System (ETIMS), one would contact the Flight Technical Order Distribution Office Representative. This individual is responsible for distributing technical orders within the squadron and would have the necessary information and access to provide access to ETIMS. The Squadron Records Monitor, Flight Publications Monitor, and Squadron Technical Order Distribution Office Representative do not have the specific role of granting access to ETIMS.

The correct answer is to prevent the sump tank from overfilling. Checking to ensure that the sump tank is below ⅔ full before performing a defueling operation is important to prevent the tank from reaching its maximum capacity and potentially overflowing. This precaution helps to maintain the proper functioning of the hydrant servicing unit and avoid any potential hazards or damage that may occur due to overfilling.

Prior to fuel service using the Kovatch R-12 Hydrant Servicing unit, it is important to ensure that the truck's air pressure is above 90 pounds per square inch (psi). This is necessary to ensure that the unit operates effectively and safely during the fuel service process.

During fueling operations with the Beta-Freightliner R-12 Hydrant Servicing unit, the deadman switch must be re-activated every 2 minutes to prevent automatic shutdown.

The gallon capacity of the C-300/C-301 Ground Servicing unit storage tank is 1,200.

The vent valve is the component that allows the tank to breathe during loading and unloading operations. It ensures that air can flow in and out of the tank, preventing any pressure build-up or vacuum formation. This is important for maintaining the integrity and safety of the tank during these operations. The other options, such as the float level sensor, bottom loading interlock, and emergency/bottom loading valve, do not perform this specific function of allowing the tank to breathe.

The correct answer is –58° F. This is the freeze point for JP-8 jet fuel.

The correct answer is AFI 91–302, Air Force Occupational and Environmental Safety, Fire Protection, and Health Standards. This directive requires the establishment of an effective safety program within the fuels flight. It provides guidelines and standards for occupational and environmental safety, fire protection, and health in the Air Force.

The correct answer is 100 gpm. When receiving ground fuel with the C-300/C-301 Ground Servicing unit, the tank fill rate should not exceed 100 gallons per minute (gpm).

Falling is the main source of accidents that cause disabling injuries to office workers. This can include slips, trips, or falls from elevated surfaces such as stairs, ladders, or slippery floors. Falling accidents can result in serious injuries such as broken bones, sprains, or head injuries. It is important for office workers to be aware of their surroundings, use proper safety measures, and report any potential hazards to prevent these accidents from occurring.

The correct answer is 30. It is necessary to wait for 30 minutes after filling the tank before inserting any object, such as a tape and bob, to determine the level of the fuel. This waiting period allows the fuel to settle and stabilize in the tank, ensuring an accurate measurement of the fuel level.

The correct answer is "At the beginning of the hot refueling operation." This is because checking the refuel high-level shutoff valves at the beginning ensures that they are functioning properly before fueling the aircraft. It is important to ensure the valves are in good working condition to prevent any fuel spillage or other safety hazards during the refueling process. Checking the valves before starting the operation allows for any necessary maintenance or repairs to be done before fueling begins.

In the event of a fire or fuel leak during a hot refueling operation, the first action to initiate should be to stop the fuel flow. This is crucial to prevent the further escalation of the fire or leak. Stopping the fuel flow will help minimize the potential danger and allow for a safer environment to address the situation.

When driving a fuel servicing vehicle while approaching a taxiing aircraft at night, it is important to stop the vehicle to ensure the safety of the aircraft and personnel. Turning off the headlights is necessary to prevent any glare or distraction for the pilots and ground crew. This ensures clear visibility for everyone involved and reduces the risk of accidents or mishaps.

Concurrent servicing is the type of special servicing operation that involves simultaneously refueling an aircraft while other maintenance activities take place. This means that the aircraft can be refueled while other tasks, such as inspections or repairs, are being carried out. This allows for efficient use of time and resources, as multiple activities can be performed simultaneously, reducing downtime for the aircraft.

When positioning a refueling vehicle for servicing, it is important to maintain a safe distance from the aircraft to prevent any potential accidents or damage. The correct answer of 10 feet ensures that there is enough space between the vehicle and the aircraft to avoid any potential collisions or fuel spillage. This distance allows for safe maneuverability and accessibility while still maintaining a safe distance to protect the aircraft.

Fuel servicing operations should not be conducted within 300 feet of operating aircraft radar. This is because the radar system emits powerful electromagnetic waves that can interfere with the fueling process and potentially cause a fire or explosion. By maintaining a distance of at least 300 feet, the risk of interference and accidents is minimized, ensuring the safety of both the aircraft and personnel involved in fuel servicing operations.

During in-shelter refueling operations, it is important to limit the operation of the refueling vehicle engine to prevent the accumulation of harmful gases inside the shelter. If the aircraft entry doors are closed, the engine should not be allowed to operate for more than 20 minutes. This ensures that the air quality inside the shelter remains safe and prevents any potential risks or hazards.

The minimum safe distance that should be maintained from the front and sides of jet intakes is 25 feet. This distance is necessary to ensure the safety of individuals and prevent any potential accidents or injuries. Being too close to the jet intakes can be extremely dangerous due to the high velocity of air and the potential for objects to be sucked into the intake. Therefore, it is important to maintain a safe distance to avoid any potential hazards.

The correct answer is single hydrant servicing units equipped with two refueling hoses. This is because the question is asking for the option that does not have multiple refueling source restrictions. The other options, such as MH-2 series hosecarts, R-11 mobile refueling units, and Air Force owned and operated fuel-servicing equipment, may have restrictions on multiple refueling sources. However, single hydrant servicing units equipped with two refueling hoses do not have these restrictions, as they are designed to efficiently refuel aircraft from a single hydrant system.

Fuels quality control personnel are responsible for observing and recording filter separator differential pressure (DP) and flow rates. This task falls under their purview as they are in charge of ensuring the quality and efficiency of fuel systems. Vehicle operators, storage personnel, and the NCOIC of Fuels Compliance may have other responsibilities related to fuel management, but monitoring and recording DP and flow rates is specifically assigned to fuels quality control personnel.

During electrical storms, it is important to prioritize safety and minimize any potential risks. Transfer operations, base service station issues, and commercial pipeline receipts may continue with proper precautions in place. However, fill stand operations involve the use of electrical equipment and can pose a higher risk during electrical storms. Hence, they should not continue when electrical storms are within 5 nautical miles of the servicing area.

When electrical storms are within 5 nautical miles, it is considered safe to continue cryogenic production. This distance allows for a reasonable buffer zone to ensure the safety of personnel and equipment. If the storms are within 1, 3, or 7 nautical miles, the risk of lightning strikes and other hazardous conditions may be too high, necessitating a halt in production.

Bioenvironmental engineering services determine hearing protection requirements for cryogenic operations. This is because cryogenic operations involve working with extremely low temperatures, which can pose a risk to hearing. Bioenvironmental engineering services are responsible for assessing and managing occupational health hazards, including noise exposure, in order to protect the health and safety of personnel.

The correct answer is Automated point of sale device (APOSD). This system is used for collecting aircraft billing information. It is a device that automates the process of recording sales transactions and collecting payment for services or products. It is specifically designed for point of sale transactions and is commonly used in industries such as retail and hospitality.

The minimum fire rating for all interior walls separating the laboratory from other portions of the building is 1 hour. This means that these walls are designed to withstand fire for at least 1 hour, providing a barrier to prevent the spread of fire and protect the laboratory and other areas of the building.

The correct answer is Fuels distribution supervisor. The fuels preventive maintenance supervisor is responsible for the technical supervision of operators' equipment inspection and maintenance. The individual who oversees this role and provides guidance and direction is the fuels distribution supervisor. They are responsible for ensuring that all equipment is properly maintained and inspected, and that any issues are addressed in a timely manner. The fuels distribution supervisor works closely with the preventive maintenance supervisor to ensure the smooth operation of the fuels management system.

When fighting an electrical fire, the first thing you should do is to disable the circuit. This is important because electricity can fuel the fire and make it more dangerous. By cutting off the power source, you can prevent the fire from spreading and reduce the risk of electrocution. Once the circuit is disabled, you can then proceed with other appropriate actions such as using a fire extinguisher or contacting the base interior electric shop for further assistance.

The correct answer is Major command (MAJCOM). Major commands are responsible for directing the maintenance and inspection frequency of war reserve material (WRM). They have the authority and oversight to ensure that the WRM is properly maintained and inspected to meet operational requirements. The MAJCOMs play a crucial role in managing and coordinating the maintenance and inspection efforts for WRM across their respective commands.

The correct answer is the vehicle operator. The walk around inspection is a crucial step to ensure the vehicle's safety and identify any potential issues before it is used. The vehicle operator is responsible for conducting this inspection, which involves checking the tires, lights, brakes, and other important components of the vehicle. By performing this inspection, the vehicle operator can help prevent accidents and ensure that the vehicle is in proper working condition.

To detect pollutant releases, it is recommended to monitor underground storage tanks every 30 days. This frequency allows for regular monitoring and detection of any potential leaks or releases of pollutants. Monitoring at shorter intervals, such as every 15 days, may be too frequent and not necessary in most cases. On the other hand, monitoring at longer intervals, such as every 45 or 60 days, may increase the risk of missing potential releases and allowing pollutants to spread without timely detection. Therefore, monitoring every 30 days strikes a balance between regular monitoring and efficiency.

If a frayed bonding cable is found during the operator maintenance check, the appropriate action to take is to repair the bonding cable. This means fixing the frayed portion of the cable so that it is in proper working condition. This is the most efficient and cost-effective solution as it avoids the need to replace the entire cable or remove the equipment from service. Reporting the finding to refueling maintenance may also be necessary to ensure proper documentation and follow-up actions.

To observe environmental pollution precautions, it is necessary to regularly check dikes for deterioration. Checking them on a daily basis might be too frequent and time-consuming, while checking them on a monthly or semiannual basis might not provide enough oversight to prevent potential pollution incidents. Therefore, checking dikes for deterioration on a weekly basis strikes a balance between ensuring regular maintenance and not being overly burdensome.

The correct answer is "Discrepancies completed from the old form." On a new AF Form 1807, Operator’s Inspection Guide and Trouble Report (Fuel Servicing Vehicles), discrepancies completed from the old form are not recorded. This means that any discrepancies that were previously identified and resolved on the old form do not need to be recorded again on the new form. The purpose of the new form is to track any new defective conditions, overdue inspections, or discrepancies that are still open.

When performing monthly checks using the AF Form 1807, the bottom loading system is checked for leaks and damage and to ensure the dust cover is in place. The bottom loading system is an important component of fuel servicing vehicles, and it is crucial to ensure its proper functioning and maintenance to prevent any leaks or damage that could compromise the safety and efficiency of the vehicle.

The fuels management team (FMT) needs to coordinate with wing safety to obtain equipment needed for entering toxic environments. This is because wing safety is responsible for ensuring the safety and well-being of personnel in hazardous situations, including the provision of necessary equipment and training for working in toxic environments. The spill response team may also be involved in dealing with hazardous materials, but their focus is primarily on responding to and mitigating spills rather than providing equipment. Base civil engineering is responsible for infrastructure and construction projects, while the environmental protection committee is concerned with environmental regulations and compliance.

The R-14C fuel-servicing module is equipped with enough hose to service two fighter aircraft at the same time.

The fuels management team (FMT) should forward their mishap reports to the Major command (MAJCOM). This is because the MAJCOM is responsible for overseeing and coordinating the activities of multiple subordinate units within a specific geographic area or functional area. By sending the mishap reports to the MAJCOM, the FMT ensures that the information reaches the appropriate higher-level authority for review and action.

The joint inventories on individual tool kits are conducted by the technician and the Vehicle Maintenance Flight Materiel Control section annually. This means that the inventories are done once a year.

The correct answer is 100 gallons per minute (gpm). This means that fuel can be pumped through one, 2-inch overwing nozzle on the R-14C fuel-servicing module at a maximum rate of 100 gallons per minute.

The correct answer is Defense Logistics Agency Energy. The Defense Logistics Agency Energy is responsible for providing comprehensive energy support for the Department of Defense (DOD). They ensure that the DOD has access to reliable and secure energy resources, including petroleum, fuel, and other energy-related products. They also manage the distribution and storage of energy resources for the DOD, ensuring that they are readily available when needed. The Air Force Petroleum Agency, General Services Administration (GSA), and Defense Logistics Agency Energy regions may have roles in energy support, but the primary responsibility lies with the Defense Logistics Agency Energy.

The R-22 pumping unit is not authorized to be used alone for direct aircraft servicing because it has no installed filter separator. A filter separator is an essential component in the servicing process as it helps remove contaminants and impurities from the fuel, ensuring that only clean fuel is supplied to the aircraft. Without a filter separator, there is a risk of fuel contamination, which can lead to engine damage or failure. Therefore, it is necessary to have a filter separator installed when using the R-22 pumping unit for aircraft servicing.

The purpose of the float valve on the R-22 trailer-mounted transfer pump assembly is to fill the engine tank. This valve is responsible for regulating the flow of fuel into the engine tank, ensuring that it is filled to the appropriate level. By controlling the fuel supply, the float valve helps to maintain a consistent and reliable fuel source for the engine, ensuring optimal performance and functionality.

The F2 function key is used to enter a home station aircraft request in the FMD logsheet.

To set up the R-22, three sections of 25-foot hose should be used to connect the R-22 trailer-mounted transfer pump assembly to the FFU-15E.

When preparing the R-22 trailer-mounted transfer pump assembly for shipment, it is important to drain all fuel from the R-22 piping, disconnect and drain all hose assemblies, and clean the unit thoroughly to remove dirt and debris. However, draining all oil from the engine is not necessary for shipment preparation.

The Fuels Manager Defense (FMD) window that allows operators to create a tabular list of up to 20 tanks is the Tank Group window. This window allows operators to organize and manage multiple tanks in a group, providing a convenient way to view and manipulate data for those tanks. The Tank Group window is specifically designed for creating and managing groups of tanks, while the other options listed (Graphic, Tank Detail, and Real-Time Reports) do not have this functionality.

The correct answer is when the differential pressure reaches 20 psi or every three years, whichever comes first. This means that the filter elements should be replaced either when the differential pressure reaches 20 psi or after three years of operation, whichever happens first. This ensures that the filter separator continues to function effectively and maintain the desired pressure levels.

When preparing the FFU-15E filter separator for shipment, it is important to complete certain procedures. These include draining all fuel from the unit, installing dust caps on all fittings, and cleaning the unit thoroughly to remove dirt and debris. However, removing the filter elements is not necessary during the shipment preparation process.

When encoding a Vehicle Identification Link (VIL) key for rental vehicles, the Vehicle/Equipment Registration Number block is filled with the vehicle license plate number. This is because the license plate number uniquely identifies each vehicle and is used for registration and identification purposes.

Each servicing clipboard must contain all of the listed items except the Standard Form (SF) 91, Fuel Summary. This means that the SF 91, Fuel Summary, is not required to be included in the servicing clipboard. The other three items, Air Force Form 1232, Bulk Fuel Issue/Defuel Summary, Department of Defense (DD) Form 1898, Fuel Sales Slip, and Air Force Technical Order (TO) Form 422, Differential Pressure Log, must be included in the servicing clipboard.

The correct answer is "controllers." In the context of radio transmission discipline, the term "controllers" refers to the fuels controllers. They are responsible for maintaining discipline and ensuring proper communication over the radio net. The other options, such as the management team, information service center superintendent, and service center noncommissioned officer in charge (NCOIC), are not specifically mentioned in relation to radio transmission discipline.

A drum thief is a sampling device primarily used to obtain samples from barrels for visual examination. It is designed to extract a sample from a barrel without disturbing the contents or introducing any contaminants. The drum thief consists of a long tube with a sharp cutting edge at one end and a handle at the other end. By inserting the cutting edge into the barrel, the user can collect a sample for inspection without compromising the integrity of the remaining contents.

The secondary purpose of the PMU-27M air-transportable trailer-mounted refueling system's pump assembly is to service small aircraft. This means that the pump assembly is designed and used specifically for refueling small aircraft, rather than large aircraft, ground equipment, or emergency generators.

The bacon bomb sampler is the correct answer because it is the only sampling device mentioned that has a projecting stem on a valve rod that opens automatically when the sampler strikes the bottom of a tank. The tube thief, drum thief, and weighted bottle sampler do not have this feature.

The weighted bottle sampler is used for sampling tankers and barges. This device is specifically designed to collect samples from large storage tanks and vessels. The sampler is lowered into the tank or barge and the weighted bottom ensures that it sinks to the desired depth. Once at the desired depth, the sampler is opened, allowing the sample to flow in. This method ensures that a representative sample is collected from different levels of the tank or barge, providing an accurate representation of the contents.

The JFDEK unit type code (UTC) kit is equipped with four 500-gallon sealed drums.

When preparing the PMU-27M air-transportable trailer-mounted refueling system for shipment, all of the mentioned steps should be completed except for removing the filter elements from the filter separator. This step is not necessary as the filter elements should remain in place to ensure proper filtration during transportation.

The correct answer is solvents. Solvents are not considered light hydrocarbon contaminants that may be found in liquid oxygen (LOX). Light hydrocarbon contaminants typically include methane, propane, and acetylene, which can pose a safety hazard when present in LOX. However, solvents are not typically found in LOX and are not considered as common contaminants in this context.

Inert solids such as rust, metal fragments, dust, and fibers are referred to as particulate matter. This term is used to describe solid particles suspended in a gas or liquid. These particles can be of various sizes and originate from different sources. In the context of the question, particulate matter is the most appropriate term to describe these types of contaminants.

The correct answer is 90 days because samples from the liquid oxygen storage tank are taken every 90 days to be analyzed for purity, odor, and minor constituents. This frequency allows for regular monitoring and assessment of the quality and composition of the liquid oxygen over time.

The rated capacity of the filter separator on the aerial delivery and dispensing system (ADDS) is 300 gallons per minute (gpm). This means that the filter separator is designed to handle a flow rate of 300 gpm, ensuring efficient filtration and separation of contaminants from the fuel being delivered and dispensed.

The correct answer is 2 gals. This means that unless there is a specific instruction stating otherwise, all samples of aviation fuels that are sent to off-base laboratories should be a minimum of 2 gallons in quantity. This is likely because a larger sample size is needed for accurate testing and analysis of the fuel properties.

The correct answer is 3 because the aerial delivery and dispensing system's (ADDS) filter separator contains three filter elements.

Fuel bladders are made of single-ply nylon fabric because it is lightweight, durable, and resistant to fuel and chemical exposure. Nylon is a strong synthetic material that can withstand the pressure and stress of holding fuel without tearing or leaking. Additionally, single-ply construction ensures that the bladder remains flexible and easy to handle. Rubber impregnated fabric may not provide the same level of durability and resistance, while double-ply epoxy coated and high impact, multi-weave carbon fiber fabrics are not commonly used for fuel bladders due to their higher cost and specific applications in other industries.

Sealing clamps used for emergency repair of fuel bladders come in various sizes, including 3 inch, 5 inch, and 7½ inch. However, they do not come in the size of 6½ inch.

Turbine engine oil is categorized as a recoverable and waste petroleum product in category 4.

The correct answer is Three. The forward area manifold (FAM) cart is capable of servicing up to three receiver aircraft at one time. This means that the FAM cart has the capacity to provide fuel, hydraulic fluid, or other necessary services to three aircraft simultaneously.

Reclaimed product that has been returned to storage should be filtered a minimum of two times prior to re-issue to aircraft. Filtering the product twice ensures that any contaminants or impurities that may have been introduced during the reclaiming process are removed, reducing the risk of contamination when the product is used again.

The correct answer is 15 to 25 psig. When shipping cryotainers by air, the inner tanks need to be pressurized with dry nitrogen gas at a positive pressure. The range of 15 to 25 pounds per square inch gauge (psig) is the appropriate pressure to maintain the integrity of the cryotainers during air shipment. This pressure range ensures that the tanks are adequately pressurized to prevent any damage or leaks during transportation.

The correct place to take the reading for the American Petroleum Institute (API) gravity test is at the point at which the principal surface of the liquid cuts the hydrometer scale. This is because the API gravity test measures the density or specific gravity of petroleum liquids. The hydrometer is used to determine the API gravity by measuring the buoyancy of the liquid. The point at which the liquid cuts the hydrometer scale indicates the specific gravity of the liquid, which can then be used to calculate the API gravity.

The Tactical Automated Service Station (TASS) is capable of delivering fuel at a rate of 10 gallons per minute (gpm).

The correct answer is 600 gpm. This means that the R-19 filter separator unit can filter fuel individually at a maximum rate of 600 gallons per minute.

In order to obtain meaningful results with a bottle method analysis, the vacuum must read in excess of 20 inches of mercury. This means that the vacuum pressure needs to be higher than 20 inches of mercury in order for the analysis to yield accurate and reliable results.

A metal syringe is used to remove residual fuel from a single filter monitor when conducting a field analysis for solids using the color and particle assessment method. This is because a metal syringe is durable and can withstand the harsh conditions of the field. It is also able to accurately extract the residual fuel without contamination, ensuring accurate results for the analysis.

Weight filters should be placed in a dessicator after drying for 30 minutes. This duration allows the filters to fully dry and reach equilibrium with the surrounding environment, ensuring accurate and consistent measurements. Placing them for a shorter duration may result in residual moisture affecting the weight, while leaving them for longer could lead to over-drying and potential changes in weight due to absorption of moisture from the atmosphere. Therefore, 30 minutes is the recommended time for achieving optimal results.

The correct answer is Sodium fluorescein. Sodium fluorescein is used as the dye for the Aeronautical Engine Laboratory (AEL) detector pad. It is a fluorescent dye that is commonly used in various applications, including in the detection of leaks and cracks in engines. Its fluorescence properties allow for easy detection and visualization of any leaks or defects in the engine, making it an ideal choice for the AEL detector pad.

When obtaining a sample for the Aeronautical Engine Laboratory (AEL) water analysis method, only 300 ml of fuel should pass through the test pad. This amount is specified as the correct answer.

Each R-20 multi-aircraft servicing platform is equipped with 1,500 feet of communications wire.

The question asks about the number of skid-mounted fillstand assemblies included in the fuels operational readiness capability equipment (FORCE) system. The correct answer is "Two." This means that there are two skid-mounted fillstand assemblies included in the system.

The correct answer is when the conductivity meter can be zeroed with the probe attached. This means that if the conductivity meter can be calibrated or reset to zero while the probe is still connected, there is no need to clean the probe before conducting conductivity testing. This implies that the meter can accurately measure conductivity even with the probe attached, eliminating the need for cleaning.

When performing fuel-servicing operations with an R-18 pumping unit, the throttle control should be manually set to 2,250 revolutions per minute (rpm). This specific rpm setting is necessary for the efficient and effective operation of the unit during fuel-servicing tasks.

When preparing the R-20 filter separator unit for shipment, it is necessary to drain all components except the surge suppressors. Surge suppressors are not required to be drained as they do not contain any fluids that could potentially leak or cause damage during transportation. The sump tank, control valves, and micronic filter, on the other hand, need to be drained to prevent any leakage or contamination during shipment.

Refractometers used for fuel systems icing inhibitor (FSII) analysis should be calibrated daily or when changing test water. This is because refractometers measure the refractive index of a substance, which can be affected by various factors such as temperature, impurities, and changes in the composition of the substance being tested. Calibrating the refractometer daily or when changing test water ensures accurate and reliable measurements, allowing for precise analysis of the FSII in fuel systems and preventing potential issues related to icing.