1s051 Volume 3 (Edit Code 5)

Electrical resistance gloves are designed to protect the wearer from electrical shock. Over time, the dielectric properties of the gloves can deteriorate, reducing their effectiveness. Therefore, it is important to regularly test the gloves to ensure they are still capable of providing adequate insulation. Dielectric testing every 6 months allows for timely detection of any degradation in the gloves' dielectric properties, ensuring the safety of the wearer.

The statement that is not true concerning vehicle operation on the flight line is option c. A flashing white light at a junction to the flight line does not indicate that it is safe for vehicles to cross. In fact, a flashing white light at a junction indicates that vehicles must stop and yield to aircraft before proceeding. This is an important safety measure to prevent accidents and ensure the smooth operation of the flight line.

The supervisor or designated representative must verify if the electrical system has been deenergized or isolated before starting work. This is important to ensure the safety of the workers and prevent any potential accidents or electrical hazards. The supervisor or designated representative is responsible for overseeing the work and making sure all necessary precautions have been taken before allowing work to proceed on the electrical system.

The given answer, d. self-adjusting, is correct because it states that the machine guard opens when stock is moved into the danger area and returns to a rest position when the stock is removed. This indicates that the guard automatically adjusts itself based on the movement of the stock, ensuring that it provides adequate protection at all times without the need for manual adjustments or interventions.

To limit the attractiveness to wildlife, the grass in aircraft movement areas must be kept short. A grass height of 14 inches or less is recommended to discourage wildlife from gathering in these areas. This helps to reduce the risk of wildlife strikes and ensures the safety of aircraft operations.

The design of the generator must be placed 18 inches above the floor of aircraft hangars to allow for sparking contacts and other potential ignition sources. This height ensures that any sparks or ignition sources are kept at a safe distance from any flammable materials or fuels that may be present in the hangar, reducing the risk of fire or explosions.

Lanyards, D-rings, locking snap-hooks, and all components of a fall arrest system must be capable of sustaining a minimum tensile load of 5,000 pounds. This means that these components need to be able to withstand a force of at least 5,000 pounds without breaking or failing. This is important for ensuring the safety of individuals using the fall arrest system, as it ensures that the system can effectively support their weight and protect them from falling.

The maximum speed that any two maintenance stands may be towed over a smooth, paved surface is 5 miles per hour (mph). This speed limit is likely imposed to ensure the safety of the equipment being towed as well as the surrounding personnel and infrastructure. Higher speeds could increase the risk of accidents, damage to the stands or the surface, and potentially endanger people in the vicinity. Therefore, it is important to adhere to this speed limit to maintain a safe working environment.

Flexible high-pressure lines used around missile systems must be secured to prevent whipping. This is important because the high pressure within the lines can cause them to move violently and unpredictably, posing a safety risk. By securing the lines, they are kept in place and prevented from whipping around, reducing the chance of accidents or damage to the system. Encasing them in a hardened substance or placing them at a certain height may not address the issue of whipping, while leaving them loose on the floor without any cover can lead to tripping hazards or damage to the lines.

A normally harmless shock is felt when the current passing through the body reaches a certain threshold. This threshold is typically around 1 milliampere (mA). Currents below this level are generally not felt, while currents above this level can cause discomfort or injury. Therefore, the correct answer is a. 1 milliampere.

The host unit commander appoints a flight safety officer (FSO) as a safety advisor to the baser aero club. This means that the person in charge of the host unit has the authority to select and designate an FSO to fulfill this role. The FSO's responsibility is to provide guidance and advice on safety matters to the aero club, ensuring that all flight operations are conducted safely and in accordance with regulations.

The correct answer is b. Low-angle fragments. In an explosive storage area, a barricade is used to provide protection against low-angle fragments that may result from an explosion. This means that the barricade is designed to prevent fragments from causing damage or injury by deflecting them away from the surrounding area. It is important to have proper barricades in place to ensure the safety of personnel and the surrounding environment in explosive storage areas.

The first step when inspecting a flightline fire extinguisher is to ensure that the handle is properly pinned and sealed. This is important because if the handle is not secured, the extinguisher may not function properly in case of an emergency. Checking the pressure gauge, ensuring there is no foreign matter in the discharge nozzle, and checking the inspection dates are also important steps in the inspection process, but they come after ensuring the handle is properly pinned and sealed.

Fixed machine guards are preferable to all others because they provide a permanent barrier that cannot be easily removed or bypassed, ensuring maximum protection for workers. Fixed guards are securely attached to the machine or equipment, preventing access to hazardous areas and reducing the risk of accidents or injuries. Unlike adjustable or self-adjusting guards, fixed guards cannot be altered or tampered with, providing a higher level of safety and reliability. Interlock guards may be effective in certain situations, but they can still be overridden or disabled, making fixed guards the most preferable option overall.

The concurrent servicing supervisor (CSS) must ensure that the fire department is notified 15 minutes prior to the start of the concurrent servicing operation (CSO). This is necessary to ensure that the fire department is aware of the operation and can take any necessary precautions or provide assistance if needed. A shorter notification time of 15 minutes allows for a more immediate response in case of any emergencies or safety concerns during the CSO.

The safety device that uses operator wristbands to ensure a worker's hands are automatically withdrawn from the point of operation is called a pull-out device. This device is designed to detect the presence of the operator's hands and if they get too close to the point of operation, the device will automatically retract or pull out the operator's hands to prevent any accidents or injuries.

The range operating agency (ROA) minimizes potential safety hazards associated with weapons employment by conducting risk assessments and establishing mission parameters for range activities. This ensures that all potential risks and hazards are identified and mitigated before any weapons are employed on the range. By setting specific mission parameters, the ROA can control and regulate the activities taking place on the range, further reducing the potential for safety hazards.

In an excavation, trench sides must have additional shoring or bracing if they are undercut more than 6 inches. This is because the stability of the trench walls becomes compromised when they are undercut beyond this depth. The additional shoring or bracing is necessary to prevent cave-ins and ensure the safety of workers in the excavation.

When an aircraft's engines are running, it creates a strong jet blast or propeller wash that can be hazardous to people and vehicles nearby. To ensure safety, it is generally recommended that people and vehicles should not pass closer than 200 feet to the rear of an aircraft with its engines running. This distance allows for sufficient protection against the strong airflow and potential debris that can be propelled by the engines.

The ground controller has the responsibility for policing up the area after the aircraft has taxied. This means that they are in charge of ensuring that the area is clean and free of any debris or hazards that may have been left behind during the aircraft's movement. The ground controller is responsible for maintaining a safe and organized environment on the ground, and this includes cleaning up after the aircraft has taxied.

Transverse motion refers to a motion that occurs perpendicular to the direction of the main motion. In this context, it means that the moving part can move sideways or in a crosswise direction. This type of motion poses a hazard as the worker may be struck or caught in a pinch by the moving part. This can lead to serious injuries or accidents. Therefore, option c is the correct answer as it accurately identifies the hazard commonly associated with transverse motion.

The correct answer is b. Vice wing commander. The Vice Wing Commander chairs the Bird Hazard Working Group (BHWG) meetings. This individual is responsible for leading and overseeing the discussions and decision-making processes within the group regarding bird hazards and safety measures. They play a crucial role in ensuring that appropriate strategies are implemented to mitigate bird hazards and protect the airfield and aircraft operations.

Horizontal sliding hangar doors must be opened wide enough to permit clearance of at least 10 feet at each wing tip. This is necessary to ensure that there is enough space for the wings to safely pass through without any obstructions or damage to the aircraft or the hangar doors. Opening the doors wider than 10 feet would provide even more clearance, but a minimum of 10 feet is required to meet safety standards.

On an outrigger scaffold, the planking must be laid tight and extended to within three inches of the building wall. This is important for the stability and safety of the scaffold. By extending the planking to within three inches of the building wall, it ensures that there is enough support for workers and materials on the scaffold, while also allowing for any necessary movement or adjustments. This distance helps prevent any gaps or instability that could pose a risk to those using the scaffold.

The aircraft maintenance officer is responsible for establishing emergency procedures to remove aircraft from hangars in case of fire. They have the knowledge and expertise to determine the safest and most efficient way to evacuate the aircraft and ensure the safety of personnel. The fire chief may be involved in coordinating firefighting efforts, but it is the aircraft maintenance officer who specifically handles the procedures for removing the aircraft from the hangar. The tow supervisor and ground safety manager may have roles in other aspects of aircraft operations and safety, but they are not directly responsible for establishing emergency procedures in this scenario.

Volts is the unit of measurement used to measure electrical pressure, potential, or electromotive force. It represents the amount of force or energy that pushes electric charges through a circuit. Ohms is the unit for measuring resistance, Amperes is the unit for measuring electric current, and Coulombs is the unit for measuring electric charge. Therefore, the correct answer is a. Volts.

Weapons load personnel can be certified on two types of aircraft. This means that they have the necessary training and qualifications to handle and load weapons on two different aircraft models. This certification ensures that they have the knowledge and skills to perform their duties safely and effectively on these specific types of aircraft.

A skylight screen or grill must be able to withstand a load of at least 200 pounds. This means that the screen or grill should be strong enough to support a weight of 200 pounds without breaking or collapsing. It is important for skylight screens or grills to have this level of strength in order to ensure the safety of individuals and prevent any accidents or injuries that could occur if the screen or grill were to fail under a heavy load.

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The correct answer is d. the wind does not blow fuel towards the intakes of operating aircraft engines. This is important because if the wind blows fuel towards the intakes of operating aircraft engines, it can result in a dangerous situation where the fuel ignites and causes an explosion or fire. By positioning the refueling equipment and aircraft in a way that the wind does not blow fuel towards the intakes, the risk of such incidents is minimized, ensuring the safety of the aircraft and personnel involved in the refueling operations.

The purpose of placing bonding wire between two metal objects is to equalize static charges that may be generated. This helps to prevent the buildup of static electricity in the objects, which can cause damage or interference in electronic systems. By providing a path for the charges to flow, the bonding wire ensures that the static electricity is evenly distributed and neutralized, reducing the risk of any negative effects.

The National Traffic Safety Board (NTSB) has the primary responsibility to investigate mishaps in the US. The NTSB is an independent federal agency that is tasked with investigating transportation accidents, including aviation accidents. They have the authority to conduct thorough investigations and determine the probable cause of accidents. The NTSB's investigations are comprehensive and aim to improve safety by identifying and addressing any issues or factors that may have contributed to the mishap. The other options listed, such as the Major command (MAJCOM), Air Force Safety Center, and Federal Aviation Agency, may have some involvement in investigating aero club mishaps, but the primary responsibility lies with the NTSB.

An explosives license does not apply to explosives operations. This means that individuals or organizations who have an explosives license are not authorized to engage in activities involving the handling, manufacturing, or use of explosives. The license may cover other activities such as storage facilities, pre-positioned mobility explosives, or munitions locations used solely for exercises, but not operations directly related to explosives.

Stairs are designed to carry a load five times the normal live load anticipated. This means that the stairs should be able to support a load that is five times the usual weight that is expected to be on them. However, the load should not be less than 1000 pounds of moving concentrated load. Therefore, the correct answer is c. 1000 pounds.

When ladders are required in trenches, they should be placed so that workers must travel no more than 25 feet in any direction to reach an exit. This is important for the safety of the workers as it ensures that they have easy and quick access to an exit in case of an emergency. Having ladders placed within a reasonable distance reduces the risk of accidents and allows for a prompt evacuation if needed.

When connecting or disconnecting high pressure lines from corrosive liquids or gases, it is important to avoid contaminating the system. This is because corrosive substances can cause damage to the system and compromise its functionality. Contamination can lead to corrosion, blockages, or other issues that can affect the performance and safety of the system. Therefore, special care should be taken to ensure that there is no cross-contamination during these processes.

Fixed industrial stairs are designed to provide safe and easy access to elevated areas in industrial settings. The angle of rise refers to the incline of the stairs, which affects the comfort and safety of users. The given answer, "c. Between 30 to 50 degrees," suggests that the angle of rise for fixed industrial stairs should fall within this range. This range allows for a balance between the steepness of the stairs and the ease of climbing them, ensuring that users can ascend and descend without excessive strain or risk of tripping or falling.

An extension ladder can be extended up to a maximum length of 60 feet. This is the longest length that the ladder can reach when fully extended.

During emergency hot pit refueling procedures, the fire department advises the pilot when to abandon an aircraft. This is because they are responsible for ensuring the safety of the aircraft and its occupants in case of any fire or emergency situation that may arise during refueling. They have the necessary expertise and equipment to handle such situations and make informed decisions regarding evacuation if required.

The severity of an electrical shock to the human body is primarily determined by the amount of current flow. The higher the current flow, the more severe the shock. This is because electric current passing through the body can disrupt the normal functioning of the nervous system and vital organs, leading to injuries such as burns, muscle contractions, and even cardiac arrest. The length of exposure, level of voltage applied, and frequency of the electrical charge can also play a role in the severity of the shock, but the amount of current flow is the most significant factor.

The correct answer is a. The number of refueling vehicles required to service an aircraft at any one time is determined by the quantity of fuel needed and the time required to refuel the aircraft. This means that the more fuel needed and the longer it takes to refuel, the more refueling vehicles will be required. The other options, such as the number of refueling ports, size of the aircraft, and mission priority, do not directly determine the number of refueling vehicles needed.

The correct answer is d. 5 mph. This is because the maximum speed at which any aircraft may be towed at any time is limited to 5 mph. This speed restriction ensures the safety of the aircraft during towing operations, as higher speeds can increase the risk of accidents or damage to the aircraft.

An electrical shock can be fatal if the current passing through the body is within the range of 100 to 300 milliamperes. Currents within this range can cause severe damage to the heart, leading to cardiac arrest and death. Currents below 100 milliamperes may still cause significant harm, but are less likely to be immediately fatal. Currents above 300 milliamperes may also be fatal, but the risk decreases as the current increases beyond this range. Therefore, the correct answer is d. 100 to 300 milliamperes.

When filling the fuel tank of a self-generating nitrogen servicing cart (SGNSC), it is important to never smoke or allow any open flame closer than 25 feet to the unit. This is necessary to prevent any potential ignition of the fuel and ensure the safety of the surroundings.

After turning, the aircraft must be marshaled forward in a straight line for at least 5 feet to relieve the loads on the main landing gear. This is necessary because the turning motion puts stress on the landing gear, and moving forward in a straight line helps distribute the weight evenly and reduce the strain on the gear.

While loading missiles, in addition to grounding the aircraft, it is necessary for the worker to turn off other electrical systems. This is important to ensure the safety of the loading process, as having other electrical systems on could potentially cause interference or accidents. By turning off these systems, the risk of any electrical malfunctions or accidents is minimized, making the loading process safer for both the worker and the aircraft.

The group commander is responsible for ensuring that detailed local operating procedures for hangaring aircraft are prepared and coordinated with installation ground safety and fire department personnel. This includes overseeing the safety precautions for hangaring aircraft and ensuring that all necessary measures are in place to prevent accidents and ensure the safety of personnel and equipment. The group commander has the authority and responsibility to coordinate with different departments and personnel to ensure that all safety protocols are followed.

A service cart must be at least 75 feet away from a fueling operation to ensure safety and prevent any potential accidents or fire hazards. This distance allows for a safe buffer zone to minimize the risk of ignition or combustion of fuel vapors. Being too close to a fueling operation can increase the chances of sparks or heat from the cart igniting the fuel or fuel vapors, leading to a dangerous situation. Therefore, it is important to maintain a distance of 75 feet to ensure the safety of personnel and equipment.

Aircraft with wingspans greater than 110 feet require a minimum wing tip clearance of 25-50 feet. This clearance is necessary to ensure safe maneuverability and prevent collisions between the wings of different aircraft or with other objects on the ground. A larger wingspan requires a greater clearance to allow for safe navigation and avoid potential accidents.

When a hydraulic jack pumping unit is being used inside a hangar, the minimum distance that must be maintained between the pumping unit and the aircraft is 25 feet. This distance is necessary to ensure the safety of the aircraft and prevent any potential damage or accidents. Keeping a sufficient distance allows for proper maneuverability of the pumping unit and reduces the risk of any accidental collisions or interference with the aircraft.