Hafb 2f051 Edit Code 5
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Questions and Answers
- 1.
Which technical order is issued to correct unsafe conditions that could cause a severe or fatal injury?
- A.
Time compliance.
- B.
Safety
- C.
Abbreviated.
- D.
Methods and procedures
Correct Answer
A. Time compliance.Explanation
The correct answer is "Time compliance" because a technical order issued to correct unsafe conditions that could cause severe or fatal injuries would typically include instructions on when the corrections need to be implemented. This indicates that there is a specific timeframe or deadline for addressing the unsafe conditions, hence the term "time compliance."Rate this question:
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- 2.
A technical order (TO) that lists all of the TOs applicable to a specific military system is
- A.
Technical order index
- B.
Technical order catalog
- C.
List of applicable publications (LOAP).
- D.
Numerical index and requirements tables (NI&RT).
Correct Answer
A. Technical order indexExplanation
A technical order index is a comprehensive list of all the technical orders (TOs) that are applicable to a specific military system. It serves as a reference guide for locating and accessing the necessary TOs for maintenance, operation, and repair of the system. The index provides a systematic and organized approach to managing the TOs, ensuring that all relevant information is easily accessible to the users.Rate this question:
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- 3.
The technical order (TO) that explains the procedures for reporting improvements in TOs is
- A.
TO 00–5–1, AF Technical Order System.
- B.
TO 00–5–15, AF Time Compliance Technical Order Process.
- C.
TO 00–5–18. Methods and Procedures AF Technical Order Numbering System.
- D.
TO 00–5–3, Methods and Procedures AF Technical Order Life cycle Management.
Correct Answer
A. TO 00–5–1, AF Technical Order System.Explanation
The correct answer is TO 00-5-1, AF Technical Order System because it is the technical order that specifically explains the procedures for reporting improvements in TOs. The other options either do not mention reporting improvements or are related to different aspects of the technical order system.Rate this question:
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- 4.
Which technical order (TO) improvement recommendation suggests improvements involving a potentially hazardous condition?
- A.
Critical hazard.
- B.
Emergency.
- C.
Routine.
- D.
Urgent.
Correct Answer
D. Urgent.Explanation
The TO improvement recommendation that suggests improvements involving a potentially hazardous condition is "Urgent." Urgent recommendations are given when there is a need for immediate action to address a hazardous situation. This implies that the condition has the potential to cause harm or danger if not addressed promptly.Rate this question:
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- 5.
These are considered specialized publications
- A.
Journals.
- B.
Staff digests.
- C.
Technical orders.
- D.
Narrative summaries.
Correct Answer
C. Technical orders.Explanation
Technical orders are considered specialized publications because they provide detailed instructions and information on specific technical procedures, maintenance, and operations. They are typically used in industries such as aviation, military, and engineering, where precise and standardized procedures are crucial. Journals, staff digests, and narrative summaries may contain specialized information as well, but technical orders are specifically designed to provide detailed instructions and guidance in a technical field.Rate this question:
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- 6.
How many minutes must pass after filling a tank before inserting any object, such as a tape and bob to determine the level of the fuel?
- A.
15.
- B.
20.
- C.
30.
- D.
35.
Correct Answer
C. 30.Explanation
The question is asking for the amount of time that must pass after filling a tank before inserting any object to determine the level of the fuel. The correct answer is 30 minutes. This implies that it takes approximately 30 minutes for the fuel to settle and stabilize in the tank after it has been filled.Rate this question:
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- 7.
Fuel servicing operations should not be conducted within this many feet of operating aircraft radar.
- A.
100.
- B.
200
- C.
150.
- D.
300
Correct Answer
D. 300Explanation
Fuel servicing operations should not be conducted within 300 feet of operating aircraft radar. This is because the radar system emits electromagnetic waves, and fuel operations within close proximity can potentially interfere with the radar's functioning. To ensure safety and prevent any disruptions to radar operations, a distance of 300 feet is recommended.Rate this question:
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- 8.
A fuel spill less than 2 feet in any direction is classified in this spill category.
- A.
Class IV
- B.
Class II.
- C.
Class I.
- D.
Class III
Correct Answer
C. Class I.Explanation
A fuel spill less than 2 feet in any direction is classified as Class I. This category is used to classify small spills that are contained and can be easily cleaned up. Class I spills pose minimal risk to the environment and do not require extensive cleanup efforts.Rate this question:
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- 9.
Operating aircraft can produce noise levels in these decibel ranges.
- A.
40 to 90
- B.
80 to 100
- C.
110 to 130.
- D.
90 to 110
Correct Answer
C. 110 to 130.Explanation
The correct answer is 110 to 130 because this range represents the noise levels produced by operating aircraft. The other ranges are either too low or too high to accurately reflect the noise levels of aircraft.Rate this question:
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- 10.
When color-coding piping systems, what color is used as a primary warning for all flammable gases and liquids?
- A.
Yellow
- B.
Green
- C.
Red
- D.
Black
Correct Answer
A. YellowExplanation
Yellow is used as a primary warning color for all flammable gases and liquids when color-coding piping systems. This is because yellow is commonly associated with caution and warning signs, making it an effective choice to alert individuals to the potential danger of flammable substances. The use of yellow helps to ensure that people working with or around these piping systems are aware of the presence of flammable materials and can take appropriate precautions to prevent accidents or mishaps.Rate this question:
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- 11.
Joint inventories on individual tool kits are conducted by the technician and the Vehicle Maintenance Flight Materiel Control section.
- A.
Monthly
- B.
Annually
- C.
Semiannually
- D.
Daily
Correct Answer
B. AnnuallyExplanation
The joint inventories on individual tool kits are conducted annually by the technician and the Vehicle Maintenance Flight Materiel Control section. This means that once a year, both the technician and the Materiel Control section come together to count and assess the tool kits. Conducting joint inventories on an annual basis allows for a thorough and comprehensive review of the tool kits, ensuring that all necessary items are accounted for and any discrepancies are identified and addressed in a timely manner.Rate this question:
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- 12.
To which outside agency should the fuels management team (FMT) forward their mishap reports?
- A.
MAJCOM
- B.
DLA-Energy
- C.
AFPA
- D.
HQ USAF
Correct Answer
B. DLA-EnergyExplanation
The fuels management team (FMT) should forward their mishap reports to DLA-Energy. DLA-Energy is responsible for managing and providing energy support to the Department of Defense, including the Air Force. By forwarding their mishap reports to DLA-Energy, the FMT ensures that the relevant agency is informed of any accidents or incidents related to fuel management. This allows DLA-Energy to assess the situation, take appropriate action, and potentially make changes to prevent similar mishaps in the future.Rate this question:
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- 13.
What is the proper treatment for someone who has been splashed with cryogenic liquid?
- A.
Rewarm the body part as soon as possible.
- B.
Wrap the exposed area in a cotton blanket.
- C.
Watch closely and treat for shock.
- D.
Give the victim plenty of liquids.
Correct Answer
B. Wrap the exposed area in a cotton blanket.Explanation
When someone is splashed with cryogenic liquid, wrapping the exposed area in a cotton blanket is the proper treatment. Cryogenic liquids are extremely cold and can cause frostbite or burns upon contact with the skin. By wrapping the exposed area in a cotton blanket, it helps to insulate and protect the affected area from further damage. This can also help to prevent the cold from spreading to other parts of the body. It is important to seek medical attention as soon as possible after the incident.Rate this question:
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- 14.
What is the minimum capacity for aboveground storage tanks that would require a dike area?
- A.
661 barrels.
- B.
561 barrels.
- C.
561 gallons.
- D.
661 gallons.
Correct Answer
D. 661 gallons.Explanation
The minimum capacity for aboveground storage tanks that would require a dike area is 661 gallons. This means that any tank with a capacity equal to or greater than 661 gallons would need to have a dike area. A dike area is a containment system designed to prevent spills and leaks from spreading and causing environmental damage.Rate this question:
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- 15.
Much time and expense are involved in investigating and
- A.
Solving accidents.
- B.
Reporting accidents.
- C.
Validating accidents.
- D.
Discovering accidents.
Correct Answer
B. Reporting accidents.Explanation
Investigating and solving accidents require a significant amount of time and resources. This involves gathering information, conducting interviews, analyzing evidence, and determining the causes and contributing factors of the accidents. Additionally, reporting accidents is essential for legal and insurance purposes, as well as for identifying trends and implementing preventive measures to avoid similar accidents in the future. Therefore, reporting accidents is a crucial step in the process, ensuring that the necessary actions are taken to prevent future incidents and promote safety.Rate this question:
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- 16.
What is the minimum operating oil pressure for the R–14C fuel-servicing module at normal operating speed?
- A.
10 pounds per square inch (psi).
- B.
20 psi.
- C.
30 psi.
- D.
40 psi.
Correct Answer
D. 40 psi.Explanation
The minimum operating oil pressure for the R-14C fuel-servicing module at normal operating speed is 40 psi. This means that the module requires a minimum oil pressure of 40 pounds per square inch to function properly during fuel servicing operations.Rate this question:
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- 17.
The purpose of the float valve on the R–22 trailer-mounted transfer pump assembly is to
- A.
Fill the engine tank.
- B.
Pump fuel from the drums.
- C.
Fill the pump’s priming unit.
- D.
Pump fuel from the operating tanks
Correct Answer
A. Fill the engine tank.Explanation
The purpose of the float valve on the R-22 trailer-mounted transfer pump assembly is to automatically regulate the flow of fuel into the engine tank. The float valve is designed to maintain a consistent fuel level in the tank by opening and closing as needed. This ensures that the engine always has a sufficient fuel supply for proper operation.Rate this question:
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- 18.
How many fighter aircraft is the R–14C fuel-servicing module equipped with enough hose to service at the same time?
- A.
Six.
- B.
Three.
- C.
Two.
- D.
Four.
Correct Answer
C. Two.Explanation
The R-14C fuel-servicing module is equipped with enough hose to service two fighter aircraft at the same time.Rate this question:
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- 19.
How often should the filter elements in the FFU–15E filter separator be replaced?
- A.
After 2,000 hours of operation.
- B.
After 3,000 hours of operation.
- C.
When the differential pressure reaches 15 pounds per square inch (psi) or every two years, whichever comes first.
- D.
When the differential pressure reaches 20 psi or every three years, whichever comes first.
Correct Answer
D. When the differential pressure reaches 20 psi or every three years, whichever comes first.Explanation
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 every three years, whichever happens earlier. This ensures that the filter separator continues to operate efficiently and effectively in removing contaminants from the system.Rate this question:
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- 20.
You must wear hearing protection when working within this many feet of an R–14C fuel- servicing module operation.
- A.
25.
- B.
100.
- C.
75.
- D.
50
Correct Answer
D. 50Explanation
According to the question, hearing protection must be worn when working within a certain distance of an R-14C fuel-servicing module operation. The correct answer is 50, which means that hearing protection is required when working within 50 feet of the operation.Rate this question:
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- 21.
How many feet from the parking apron must the tanks be placed if the aerial bulk fuel delivery system (ABFDS) is used to resupply the R–14C fuel-servicing module?
- A.
75
- B.
100
- C.
125
- D.
150
Correct Answer
B. 100Explanation
The tanks must be placed 100 feet from the parking apron if the aerial bulk fuel delivery system (ABFDS) is used to resupply the R-14C fuel-servicing module.Rate this question:
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- 22.
The R–22 pumping unit is not authorized to be used alone for direct aircraft servicing because it has no installed
- A.
Meter
- B.
Filter Separator
- C.
Pressure Gauge
- D.
Sampling connection
Correct Answer
B. Filter SeparatorExplanation
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 aircraft servicing as it helps remove water, dirt, and other contaminants from the fuel. Without a filter separator, there is a risk of these contaminants entering the aircraft's fuel system, which can lead to engine damage or failure. Therefore, it is necessary to have a filter separator installed to ensure the fuel being pumped into the aircraft is clean and free from impurities.Rate this question:
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- 23.
How many elements are installed in the FFU–15E filter separator?
- A.
12
- B.
15
- C.
6
- D.
30
Correct Answer
C. 6Explanation
The FFU-15E filter separator has a total of 6 elements installed.Rate this question:
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- 24.
The canisters in the FFU–15E filter separator are constructed of
- A.
Steel
- B.
Cooper
- C.
Aluminum
- D.
Bronze
Correct Answer
C. AluminumExplanation
The canisters in the FFU-15E filter separator are constructed of aluminum. Aluminum is a lightweight and durable material that is resistant to corrosion, making it suitable for use in filter separators. It is also a good conductor of heat, allowing for efficient filtration and separation of particles from the fluid. Additionally, aluminum is easy to work with and can be formed into various shapes and sizes, making it a practical choice for constructing the canisters in the FFU-15E filter separator.Rate this question:
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- 25.
Which type hoses on the aerial bulk fuel delivery system (ABFDS) are connected by unisex couplings?
- A.
Discharge.
- B.
Vapor eliminator
- C.
Suction.
- D.
Delivery
Correct Answer
A. Discharge.Explanation
Discharge hoses on the aerial bulk fuel delivery system (ABFDS) are connected by unisex couplings. This means that the couplings used on the discharge hoses are designed to be compatible with both male and female connections, allowing for easy and efficient connection and disconnection during fuel delivery operations.Rate this question:
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- 26.
What is the rated capacity of the filter separator on the aerial delivery and dispensing system (ADDS)?
- A.
200 gallons per minute (gpm).
- B.
300 gpm.
- C.
400 gpm.
- D.
600 gpm
Correct Answer
B. 300 gpm.Explanation
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 maximum flow rate of 300 gpm, which is the amount of liquid that can pass through the system in one minute.Rate this question:
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- 27.
Fuel bladders are made of this type fabric
- A.
Single-ply nylon.
- B.
Rubber impregnated.
- C.
High impact, multi-weave carbon fiber.
- D.
Double-ply epoxy coated.
Correct Answer
A. Single-ply nylon.Explanation
Fuel bladders are made of single-ply nylon fabric because it is lightweight, durable, and resistant to fuel and chemical substances. Nylon fabric has high tensile strength, which makes it suitable for containing and storing fuel without any leakage or damage. Additionally, single-ply nylon is flexible and can be easily folded or rolled up, making it convenient for transportation and storage. Overall, single-ply nylon fabric is the ideal choice for fuel bladders due to its strength, durability, and compatibility with fuel storage requirements.Rate this question:
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- 28.
Sealing clamps used for emergency repair of fuel bladders come in all sizes except
- A.
3 inch.
- B.
7½ inch
- C.
6½ inch.
- D.
5 inch
Correct Answer
C. 6½ inch.Explanation
The given question is asking for the size of sealing clamps used for emergency repair of fuel bladders. The answer "6½ inch" is the correct one because it states a size that is not available among the options given. The other options (3 inch, 7½ inch, and 5 inch) are mentioned as sizes that the sealing clamps come in, indicating that they are available options. Therefore, the correct answer is the one that is not mentioned as an available size, which is 6½ inch.Rate this question:
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- 29.
How many feet should you locate the Tactical Automated Service Station (TASS) from the fuel supply?
- A.
100
- B.
65
- C.
75
- D.
60
Correct Answer
D. 60Explanation
The correct answer is 60 because locating the Tactical Automated Service Station (TASS) 60 feet away from the fuel supply ensures a safe distance and minimizes the risk of any accidents or hazards. This distance allows for easy access to the fuel supply while maintaining a safe environment for operations.Rate this question:
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- 30.
For air shipment, the inner tanks of empty cryotainers are pressurized with dry nitrogen gas at a positive pressure of
- A.
25 to 30 psig.
- B.
30 to 40 psig.
- C.
15 to 25 psig.
- D.
10 to 15 pounds per square inch gauge (psig).
Correct Answer
C. 15 to 25 psig.Explanation
The correct answer is 15 to 25 psig. In air shipment, the inner tanks of empty cryotainers need to be pressurized with dry nitrogen gas to ensure their safety and integrity during transportation. The pressure range of 15 to 25 psig is considered optimal for this purpose. It helps to maintain a positive pressure inside the cryotainers, which prevents the risk of implosion or collapse due to external pressure changes. This pressure range also allows for some flexibility to accommodate potential temperature variations and other factors that may affect the internal pressure of the cryotainers.Rate this question:
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- 31.
The forward area manifold (FAM) cart is capable of servicing up to how many receiver aircraft at one time?
- A.
Three.
- B.
Two
- C.
Six.
- D.
Four.
Correct Answer
A. Three.Explanation
The forward area manifold (FAM) cart is designed to service multiple receiver aircraft simultaneously. The correct answer is "Three," indicating that the FAM cart is capable of servicing up to three receiver aircraft at one time.Rate this question:
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- 32.
How many R–18 pumping units are included in a fuels operational readiness capability equipment (FORCE) module?
- A.
Three
- B.
One
- C.
Four
- D.
Five
Correct Answer
D. FiveExplanation
The correct answer is five because the question asks about the number of R-18 pumping units included in a FORCE module. Since the question does not provide any additional information or context, we can assume that a FORCE module includes five R-18 pumping units.Rate this question:
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- 33.
At what rate is an R–20 multi-aircraft servicing platform capable of supplying fuel through two hoses at the same time?
- A.
600 gpm.
- B.
300 gallons per minute (gpm).
- C.
900 gpm.
- D.
1200 gpm
Correct Answer
C. 900 gpm.Explanation
The correct answer is 900 gpm. This means that the R–20 multi-aircraft servicing platform is capable of supplying fuel at a rate of 900 gallons per minute through two hoses simultaneously.Rate this question:
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- 34.
When preparing fuels operational readiness capability equipment (FORCE) for shipment, dispose of all drained fuel in accordance with
- A.
Local environmental regulations.
- B.
Local and federal environmental regulations.
- C.
Federal environmental regulations
- D.
Local, federal, and international environmental regulations
Correct Answer
D. Local, federal, and international environmental regulationsExplanation
The correct answer is local, federal, and international environmental regulations. When preparing fuels operational readiness capability equipment (FORCE) for shipment, it is important to dispose of all drained fuel in accordance with these regulations to ensure compliance with environmental standards at various levels. This ensures that the disposal process is carried out in a manner that minimizes harm to the local environment, follows federal guidelines, and also adheres to any international agreements or regulations in place.Rate this question:
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- 35.
When preparing the R–20 filter separator unit for shipment, drain all of the following components except the
- A.
Sump tank
- B.
Micronic filter.
- C.
Control valves.
- D.
Surge suppressors.
Correct Answer
D. Surge suppressors.Explanation
When preparing the R-20 filter separator unit for shipment, it is necessary to drain all components except for the surge suppressors. This is because surge suppressors are not designed to hold or collect any fluids or contaminants. The sump tank, micronic filter, and control valves, on the other hand, may contain residual fluids or contaminants that need to be drained before shipment to avoid any potential damage or leakage during transportation.Rate this question:
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- 36.
Who is responsible for working with the major command (MAJCOM) to determine fuel requirements at a deployed location?
- A.
Shift Supervisor.
- B.
Senior Fuels member.
- C.
Logistics Readiness Squadron Commander
- D.
Wing Commander
Correct Answer
B. Senior Fuels member.Explanation
The Senior Fuels member is responsible for working with the major command (MAJCOM) to determine fuel requirements at a deployed location. They have the expertise and knowledge in fuel management to assess the needs and coordinate with the MAJCOM to ensure an adequate supply of fuel is available for operations. The Shift Supervisor may oversee the day-to-day operations but may not have the authority or responsibility to determine fuel requirements. The Logistics Readiness Squadron Commander and Wing Commander may have oversight but are not directly responsible for determining fuel requirements.Rate this question:
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- 37.
What is the gallon capacity of the Oshkosh R-11 storage tank?
- A.
4500
- B.
5000
- C.
6000
- D.
5500
Correct Answer
C. 6000Explanation
The correct answer is 6000 because it is stated in the question that the gallon capacity of the Oshkosh R-11 storage tank is being asked. Among the given options, 6000 is the only one that matches the specified capacity.Rate this question:
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- 38.
- The single point nozzle on the Oshkosh R-11 Refueler is equipped with a vacuum breaker that allows the
- A.
Nozzle to be removed from the hose without any spillage
- B.
Hose reel and piping to be defueled
- C.
Air into the hose to prevent vapor lock
- D.
Easy removal of nozzle from the aircraft receptacle
Correct Answer
C. Air into the hose to prevent vapor lockExplanation
The correct answer is "air into the hose to prevent vapor lock". The vacuum breaker on the single point nozzle of the Oshkosh R-11 Refueler allows air to enter the hose, preventing the formation of vapor lock. Vapor lock occurs when fuel vaporizes in the hose, blocking the flow of fuel. By introducing air into the hose, the vacuum breaker helps to maintain a continuous flow of fuel and prevents any disruption or blockage during refueling.Rate this question:
- 39.
Which of the following is not a position on the Oshkosh R-11 Refueler pumping mode selector valve?
- A.
Defuel
- B.
Low-flow
- C.
High-flow
- D.
Single-point
Correct Answer
D. Single-pointExplanation
The correct answer is "single-point." The other options mentioned, such as defuel, low-flow, and high-flow, are all positions on the Oshkosh R-11 Refueler pumping mode selector valve. However, "single-point" is not a position on this valve.Rate this question:
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- 40.
How many forward speeds are there on the transmission gear selector of the Kovatch-series R-11 Refueler?
- A.
6
- B.
5
- C.
4
- D.
3
Correct Answer
B. 5Explanation
The Kovatch-series R-11 Refueler has 5 forward speeds on its transmission gear selector.Rate this question:
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- 41.
What percent of additional expansion space is built into the Kovatch-series R-11 Refueler's fuel tank?
- A.
6
- B.
5
- C.
3
- D.
1
Correct Answer
C. 3Explanation
The Kovatch-series R-11 Refueler's fuel tank has 3% of additional expansion space built into it.Rate this question:
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- 42.
At what GPM maximum rate can you fill the tank on the Kovatch-series R-11 Refueler using the bottom loading system?
- A.
300
- B.
450
- C.
600
- D.
750
Correct Answer
C. 600Explanation
The maximum rate at which you can fill the tank on the Kovatch-series R-11 Refueler using the bottom loading system is 600 gallons per minute (GPM).Rate this question:
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- 43.
What precharge pounds per square inch (psi) pressure reading should be indicated on the Kovatch R-12 Hydrant Servicing unit surge suppressor pressure gauges while the surge suppressor service valves are open?
- A.
50
- B.
55+-5
- C.
90+-5
- D.
50+-5
Correct Answer
C. 90+-5Explanation
The surge suppressor pressure gauges should indicate a precharge pressure reading of 90+-5 pounds per square inch (psi) when the surge suppressor service valves are open.Rate this question:
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- 44.
The primary air pressure gauge on the Beta-Freightliner R-12 Hydrant Service Unit indicates the
- A.
Air pressure supplied to the type III hydrant outlet.
- B.
Pressure of the fuel at the pump outlet.
- C.
Combined precharge pressure within the surge suppressors.
- D.
Fuel pressure entering the unit through the hydrant coupler.
Correct Answer
A. Air pressure supplied to the type III hydrant outlet.Explanation
The primary air pressure gauge on the Beta-Freightliner R-12 Hydrant Service Unit indicates the air pressure supplied to the type III hydrant outlet. This means that the gauge is used to measure the pressure of the air that is being supplied to the hydrant outlet. This information is important for ensuring that the correct amount of air pressure is being delivered to the hydrant, as it can affect the efficiency and effectiveness of the hydrant system.Rate this question:
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- 45.
The sump tank full indicator on the Beta-Freightliner R-12 Hydrant Servicing unit will illuminate when the sump tank is approximately this full.
- A.
80 percent.
- B.
75 percent.
- C.
70 percent.
- D.
65 percent.
Correct Answer
B. 75 percent.Explanation
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, it is considered to be full and requires attention or action. The indicator serves as a visual cue for operators to know when the tank is reaching its capacity and needs to be emptied or maintained.Rate this question:
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- 46.
Check to ensure the sump tank on the Beta International R-12 Hydrant Servicing unit is below ⅔ full prior to performing a defueling operation to
- A.
Prevent the sump tank from overfilling.
- B.
Obtain an accurate gallon count of the defuel.
- C.
Prevent water from being pumped from the sump tank.
- D.
Ensure the float control will not stop the defueling operation.
Correct Answer
A. Prevent the sump tank from overfilling.Explanation
Checking to ensure that the sump tank on the Beta International R-12 Hydrant Servicing unit is below ⅔ full prior to performing a defueling operation is necessary to prevent the sump tank from overfilling. If the sump tank is already more than ⅔ full, adding more fuel during the defueling operation could cause the tank to overflow, leading to potential safety hazards and fuel wastage. Therefore, it is important to monitor the level of the sump tank to prevent overfilling.Rate this question:
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- 47.
What is the maximum allowable pounds per square inch (psi) of fueling nozzle pressure used with the Beta-International R-12 Hydrant Servicing unit?
- A.
15
- B.
35
- C.
90
- D.
55
Correct Answer
D. 55Explanation
The maximum allowable pounds per square inch (psi) of fueling nozzle pressure used with the Beta-International R-12 Hydrant Servicing unit is 55.Rate this question:
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- 48.
Prior to fuel service using the Kovatch R-12 Hydrant Servicing unit, ensure that the truck’s air pressure is above this pounds per square inch (psi).
- A.
45
- B.
90
- C.
55
- D.
75
Correct Answer
B. 90Explanation
Before using the Kovatch R-12 Hydrant Servicing unit to fuel, it is important to ensure that the truck's air pressure is above 90 pounds per square inch (psi). This is necessary to ensure proper functioning and efficiency of the unit during the fuel service.Rate this question:
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- 49.
What component on the C-300/C-301 Ground Servicing unit component allows the tank to breathe during loading and unloading operations?
- A.
Emergency/bottom loading valve.
- B.
Float level sensor.
- C.
Bottom loading interlock.
- D.
Vent valve.
Correct Answer
D. Vent valve.Explanation
The vent valve is the component on the C-300/C-301 Ground Servicing unit that allows the tank to breathe during loading and unloading operations. This valve ensures that air can escape from the tank as it is being filled and allows air to enter the tank as it is being emptied. It helps to maintain proper pressure within the tank and prevents any potential damage or malfunction during the loading and unloading process.Rate this question:
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- 50.
What type of special servicing operation involves transferring fuel out of the fuel tanks of an aircraft with one or more engines operating?
- A.
Hot defueling.
- B.
Rapid defueling.
- C.
In-shelter refueling.
- D.
Concurrent servicing.
Correct Answer
A. Hot defueling.Explanation
Hot defueling is the correct answer because it involves transferring fuel out of the fuel tanks of an aircraft while one or more engines are still operating. This operation is typically performed when the aircraft needs to be refueled quickly or when there is a need to reduce the weight of the aircraft for maintenance or other purposes. It requires careful coordination and adherence to safety protocols to prevent any accidents or fuel spills.Rate this question:
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