CDC 2w051b, Volume 2 Ure Questions

When loading a rocket into a launcher, you can stand on either side of the launcher. This is because the loading process typically involves attaching the rocket to the launcher from the sides, ensuring stability and proper alignment. Standing on either side allows for easier access and maneuverability during the loading process. Additionally, it ensures that you are clear of any potential hazards or obstructions that may be present at the front or rear of the launcher.

Static electricity can cause the electric primer in 20mm ammunition to be fired accidentally. When there is a buildup of static electricity, such as through friction or contact with certain materials, it can discharge and create a spark. If this spark comes into contact with the electric primer, it can ignite and cause the ammunition to be fired unintentionally. Therefore, static electricity is a potential cause of accidental firing in 20mm ammunition.

Deflagration refers to the tendency of a substance to burn rapidly and sparkle during combustion. It is characterized by a subsonic flame front that propagates through the substance, releasing heat and light. Unlike detonation, which involves a supersonic shockwave, deflagration occurs at a slower rate. Disposition refers to a person's inherent qualities or tendencies, while decomposition refers to the breakdown of a substance into simpler components. Therefore, deflagration is the correct answer in this context.

Proximity is a type of fuze action that is triggered by the presence or close proximity of a target. This type of fuze is designed to detect the target using sensors such as radar or infrared, and then initiate the explosion when the target is within a certain range. Proximity fuzes are commonly used in anti-aircraft and anti-missile systems, as well as in artillery shells and torpedoes. They provide an effective way to target and destroy moving objects without the need for direct impact or precise timing.

The correct answer is "Cartridge Case, primer, bullet, and propellant." In a typical small-arms cartridge, the cartridge case holds all the other components together and provides a seal to prevent gas leakage. The primer is a small explosive charge that ignites the propellant when struck by the firing pin. The propellant is a chemical substance that generates gas when ignited, creating pressure to propel the bullet out of the barrel. Finally, the bullet is the projectile that is fired from the firearm.

The requirement for military explosives is that the raw materials must be cheap. This is because military explosives are often produced in large quantities and used extensively in warfare, so it is crucial to keep the cost of production as low as possible. By using inexpensive raw materials, the military can maximize their resources and allocate funds to other important aspects of their operations.

Countermeasure flares are designed to divert enemy aircraft infrared/heat-seeking missiles from friendly aircraft. These flares emit a strong heat signature that attracts the missiles away from the targeted aircraft, increasing the chances of survival for the friendly aircraft. By diverting the missiles, countermeasure flares provide a defensive measure against heat-seeking threats, protecting the aircraft and its crew from potential harm.

A shaped charge is used to produce an explosive penetration of a solid object. It is designed in a way that focuses the explosive energy into a specific direction, creating a high-velocity jet of metal that can penetrate armored vehicles, bunkers, or other fortified structures. This makes it a valuable tool in military operations, as it can effectively neutralize enemy targets by breaching their defenses. Additionally, shaped charges can also be used in controlled demolitions to bring down walls and collapse roofs.

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A proximity fuze is placed on the nose of a bomb. This is because the nose of the bomb is the most effective location for detecting and reacting to the proximity of a target. By placing the fuze on the nose, it can accurately detect the distance between the bomb and the target, allowing for precise detonation at the optimal moment to maximize the destructive impact. Placing the fuze on the tail or between the lugs would not provide the same level of accuracy and effectiveness.

The two types of effects of signals are light and smoke. Signals are used to convey information or warnings, and light signals are commonly used in various contexts such as traffic lights or emergency beacons. Light signals are easily visible and can quickly grab attention. Smoke signals, on the other hand, are used in situations where visibility is limited, such as in emergency situations or to communicate over long distances. The smoke acts as a visual signal, indicating a specific message or alert.

The largest caliber ammunition that is classified as "small arms" is Caliber .50. This caliber refers to the diameter of the bullet or the internal diameter of the barrel of the firearm. Caliber .50 ammunition is commonly used in heavy machine guns and sniper rifles. It is larger than Caliber .38, 5.56 millimeter, and 7.62 millimeter, which are typically used in handguns and rifles.

Increasing the standoff distance can increase the penetration effect of a shaped charge. Standoff distance refers to the distance between the shaped charge and the target. By increasing this distance, the shaped charge has more time to focus and concentrate its explosive force before reaching the target. This allows for a more effective and powerful penetration, as the shaped charge can form a more concentrated and focused jet of explosive energy.

A heavy mortar requires a truck or tracked mortar carriers to move them. Heavy mortars are larger and heavier in size compared to other types of mortars. Due to their weight and size, they cannot be easily transported by individuals or carried manually. Therefore, the use of trucks or tracked mortar carriers is necessary to transport heavy mortars to different locations.

With electrical fuzes, a battery-firing device is used in place of arming wire. This device is responsible for providing the necessary electrical current to initiate the explosive charge or detonator. Unlike traditional arming wire, which physically connects the fuze to the power source, a battery-firing device uses electrical signals to activate the explosive mechanism. This allows for more precise and controlled detonation, as well as remote arming capabilities.

The air-inflatable retarder used on the MK84 bomb is the BSU-50.

The visibility of pyrotechnics is controlled by various factors, including candlepower, color, weather, and light. Light plays a crucial role in determining how visible the pyrotechnics will be. The intensity and direction of light can significantly affect the visibility of the pyrotechnics display. Different lighting conditions, such as daylight or darkness, can also impact how well the pyrotechnics are seen. Therefore, light is an important factor to consider when assessing the visibility of pyrotechnics.

Using blank ammunition can be hazardous because the wad, which is a small piece of material that separates the propellant from the projectile, can cause injury. When the blank is fired, the wad is expelled from the barrel along with the gases. If someone is in close proximity to the firearm, they can be hit by the wad and sustain injuries. Therefore, it is important to handle blank ammunition with caution to prevent any potential harm.

The correct answer is 3,200 and 28,000 feet per second. This is because the rate of transformation for high explosives falls within this range. The given options provide different ranges of speeds, but only the range of 3,200 to 28,000 feet per second is within the correct range.

Cotter pins are designed to prevent movement of the arming heads, arming stems, and strikers while the fuze is being handled. They are inserted through a hole in the component and secured with a split pin or wire, ensuring that the parts remain in place and do not accidentally activate the fuze. This safety feature is crucial in preventing accidental detonation during transportation or handling of the fuze.

An adapter booster is used to adapt a nose fuze for an M-series bomb. This device is specifically designed to enhance the performance and functionality of the fuze by boosting its capabilities. It allows for seamless integration between the fuze and the bomb, ensuring proper functioning and accuracy during deployment.

The BLU-109/B is a 2,000-pound penetrator bomb. This means that it is a bomb weighing 2,000 pounds specifically designed to penetrate and destroy hardened targets such as bunkers or underground facilities. The weight of the bomb is an important factor in determining its penetrating capability, with heavier bombs generally being more effective at penetrating fortified structures.

The M129 bomb is not used to persuade the enemy to surrender. It is actually used to destroy hardened aircraft shelters, penetrate and destroy runway surfaces, or destroy columns of armored vehicles.

The blast effect of a specific bomb causes more damage than the fragmentation effect. When a bomb detonates, it releases a powerful shockwave that rapidly expands in all directions. This shockwave creates a high-pressure zone that can cause destruction by collapsing buildings, damaging infrastructure, and injuring or killing people within its range. While fragmentation refers to the shrapnel and debris propelled by the explosion, the blast effect itself is responsible for the majority of the damage and casualties.

Electric squibs are designed similar to blasting caps. Blasting caps are small explosive devices used to initiate larger explosions. Similarly, electric squibs are small devices that contain an explosive material and are used to initiate or trigger a larger reaction or event. Both blasting caps and electric squibs are designed to provide a controlled and reliable ignition source, making them similar in design and function.

Initiators are designed to supply gas pressure to operate other cartridge-activated devices. This means that initiators are responsible for providing the necessary gas pressure to activate and operate other devices that are triggered by cartridges. These devices could include mechanisms for removing aircraft canopies, ejecting external stores, or even ejecting seats. Initiators play a crucial role in ensuring the proper functioning of these devices by supplying the required gas pressure to activate them effectively.

The correct answer is CBU-89 does not have canted fins. Canted fins are angled fins that provide stability and control to a bomb during its descent. The absence of canted fins in the CBU-89 means that this particular bomb does not have this feature. The CBU-87, on the other hand, may have canted fins or some other type of fin design.

Deflagration under confinement refers to the rapid combustion of a substance in a confined space. The final effect of this process is detonation. Detonation occurs when the combustion front moves through the substance at a supersonic speed, causing a highly destructive and explosive reaction. Unlike deflagration, which is a slower and less intense burning process, detonation releases a shockwave that can cause significant damage and destruction. Therefore, the correct answer is detonation.

The lock ring holds the ball rotor of the 30mm fuze in an unarmed position until it is fired. This means that the lock ring prevents the ball rotor from moving or rotating before the fuze is activated. It ensures the safety of the fuze by keeping it securely in place until it is ready to be fired.

Green is the most common color of military safety wire because it provides high visibility and contrast against most backgrounds. This makes it easier to identify and inspect the wire for any signs of damage or tampering. Additionally, green is a commonly used color in military applications for its ability to blend in with natural environments, making it an ideal choice for safety wire in outdoor settings.

Blasting caps are used to detonate high explosives. They are small devices that contain a small amount of explosive material, which can be ignited by a spark or electrical current. When the blasting cap is triggered, it initiates a chain reaction that leads to the detonation of the main explosive material. Blasting caps are commonly used in mining, construction, and military operations to safely and efficiently detonate high explosives.

The M505 point-detonating fuze is used with the high-explosive incendiary 20mm round. This type of round is designed to explode upon impact, causing both explosive and incendiary effects. The M505 fuze ensures that the round detonates upon contact with the target, maximizing its destructive capabilities.

Impulse cartridges are initiated electrically. This means that they are activated or triggered through an electrical mechanism or device. This could involve the use of an electrical current or circuit to generate the necessary energy or spark to initiate the impulse cartridge. The electrical initiation ensures a controlled and precise activation of the cartridge, making it a reliable and efficient method of initiation.

A light mortar is a type of mortar that has a short range and a small explosive charge. Unlike heavy or medium mortars, which are designed for long-range and heavy firepower, a light mortar is typically used for close-quarters combat or to provide support in urban environments. Its smaller size and reduced explosive charge make it more maneuverable and easier to transport, making it suitable for infantry units operating in tight spaces or on the move.

To achieve an airburst with a general-purpose bomb, one can use a time action HE train. This means that the bomb is equipped with a time fuse that is set to detonate at a specific altitude or time after release. When the bomb reaches the predetermined point, the time fuse triggers the explosion, causing the bomb to burst in the air rather than upon impact with the ground. This allows for a wider area of effect and can be particularly useful in targeting enemy troops or structures.

The AN-MK13 signal produces a pyrotechnic effect of smoke and flare. This means that when the signal is ignited, it will release both smoke and a bright flare. The smoke can be used for signaling or obscuring visibility, while the flare can provide illumination or attract attention.

Hexachlorothane is the correct answer because it is the chemical filler used in the AN-M8 smoke grenade. Hexachlorothane is a white crystalline solid that produces a dense white smoke when ignited. It is commonly used in smoke grenades for military purposes, providing a visual screening and obscuring the vision of the enemy. Chloroacetophenone is a tear gas agent, white phosphorus is used in incendiary devices, and Comp B is a high explosive composition, none of which are used as fillers in the AN-M8 smoke grenade.

In an M904 mechanically timed nose fuze, the firing delay times can be set by changing the delay element. This means that by replacing the delay element with a different one, the desired delay time can be achieved. This allows for flexibility and customization in the fuze's functioning, as different delay times may be required for different situations or targets.

The FZU-48/B initiator provides the electrical power needed to operate the FMU-139A/B fuze.

The correct answer is CBU-87 cluster bomb. The question states that the CBU-89 is physically the same as another bomb. Among the given options, the only bomb that matches this description is the CBU-87 cluster bomb. Therefore, the CBU-87 cluster bomb is the correct answer.

A booster detonates the main charge. Boosters are explosive components that are used to initiate the detonation of a larger explosive charge. They are designed to provide a high-energy output to ensure that the main charge detonates effectively. Boosters transmit energy from one detonating component to the next, ultimately leading to the detonation of the main charge.

Each BLU-108/B submunition contains four projectiles.

The arming delay distance for the M505 fuze is 10-35 feet. This means that once the fuze is armed, it will take a distance of 10-35 feet for it to become fully functional and ready to detonate.

The cartridge case plays a crucial role in firearm operation. When the weapon is fired, the cartridge case expands to create a tight seal in the chamber, preventing the escape of gases to the rear. This containment of gases ensures that the energy generated by the propellant is directed towards propelling the bullet forward, maximizing the efficiency and power of the firearm. Additionally, the cartridge case also holds the bullet in place until it is loaded into the firing chamber, contributing to the overall functionality and safety of the weapon.

The three classifications of Air Force grenades are service, practice, and training. Service grenades are used in actual combat situations. Practice grenades are used for simulated training exercises. Training grenades are used for instructional purposes to teach proper handling and usage of grenades.

The FZU-39/B is a sensor that is used with the SUU-64/B and SUU-65/B dispensers. It is a radio-frequency radar ranging system, which means it uses radar technology to determine the distance between objects. This sensor is specifically designed for use with these dispensers, suggesting that it is the correct answer for the question.

The M26 fragmentation grenade contains Comp B as its explosive filler. Comp B is a mixture of TNT (Trinitrotoluene) and RDX (Research Department Explosive), which are both powerful explosives. Comp B is commonly used in military applications due to its high explosive power and stability. It is known for its effectiveness in creating fragmentation and causing damage to the target area.

Rockets can be classified based on various factors, including their purpose and warhead filler. The warhead filler refers to the substance or material that fills the warhead of a rocket. Different types of fillers can be used, such as explosives, chemicals, or even non-explosive materials. The choice of warhead filler can greatly impact the rocket's effectiveness and intended use, such as for anti-personnel, anti-vehicle, or anti-structure purposes. Therefore, warhead filler is an important criterion used to classify rockets.

The correct answer is BSU-49/B. The BSU-49/B is an air-inflatable retarder that is used on the MK82 bomb. It is designed to slow down the bomb's descent and improve its accuracy by reducing its forward speed. This retarder is commonly used by the military to increase the effectiveness of aerial bombings.

30mm ammunition is identified through a combination of color coding, part number, lot number, and model number. Color coding is used to visually distinguish different types or variants of ammunition. The part number is a unique identifier assigned to each specific component or part of the ammunition. The lot number indicates the batch or production run from which the ammunition originated. The model number provides further specification and categorization of the ammunition. By considering all these factors together, the identification of 30mm ammunition can be accurately determined.