38 Questions
What is the muzzle velocity of the .44 mag in the NIJ IIIA standard?
1470 fps
How many panels are tested in the NIJ 0101.06 standard?
28 panels
What is the total number of shots in the test for NIJ 0101.04 (2005IR)?
48 shots
How many template inserts are used in the NIJ 0101.04 (2005IR)?
1 insert
What is the backface deformation requirement for NIJ standards?
44mm
How many ballistic impacts are tested in the NIJ 0101.04 (2005IR) for Hard Armor Level III?
6 ballistic impacts
What is the V50 threat recorded for in the NIJ 0101.06 standard?
Both calibers listed in NIJ threat matrix
What is the number of shots per panel for NIJ 0101.06 Hard Armor Level IV?
1 shot per panel
What is the main concern with bolts in ballistic head protection?
They can cause secondary fragments and penetrate the human skull
What is the advantage of a uniform protection system in ballistic head protection?
It provides 360-degree protection without any weak areas
What is the primary cause of injury in blast threats?
Shrapnel and fragments propelled toward the soldier's head
What is the problem with drilling holes in ballistic material for bolt installation?
It causes the material to lose its ballistic properties
What is a disadvantage of using metal parts in ballistic head protection?
They can cause secondary fragments and increase the risk of injury
What is the benefit of a modular padding suspension system in ballistic head protection?
It helps to distribute the force of impact more evenly
What is the primary purpose of the viewport in a shield?
To offer varying levels of protection and visibility
What feature enables the shield to be used in low-light environments?
Integrated lighting systems
What is the primary function of the mounts/weapon cutouts in a shield?
To allow the user to insert or seat a firearm without being fully exposed
What is the purpose of the exoskeleton carrying system in a shield?
To distribute the load of the shield more evenly
What is the primary benefit of the handles and straps in a shield?
To provide better control and maneuverability of the shield
What type of testing does a shield undergo to evaluate its resistance to impact?
Impact testing
What is the primary purpose of the camera with recording facility in a shield?
To record footage during nighttime operations
What feature of the shield allows for the placement of batteries, magazine pouches, and other equipment?
Provision for utilities and equipment at the back of the shield
What is a key feature of the ballistic modularity option?
It enables increasing the ballistic level to a higher protection level
What is a benefit of combining multiple shields?
Greater coverage area
What determines the overall weight of a shield?
The additional accessories selected by the user
What type of shield offers quick and easy installation?
Trolley-mounted shield
What is a characteristic of individual shields in a modular setup?
They are light and maneuverable
What is a key advantage of using multiple shields in a modular setup?
Greater coverage area
What determines the protection level of a shield?
The test standard used for the shield
What type of shield is ideal for holding a position or pausing before further advance?
Modular shield
What is the primary concern related to the use of lead in bullet cores?
The environmental impact of lead
What type of steel is used in MSC bullets?
Mild steel
What is the main purpose of the jacket in FMJ bullets?
To improve the bullet's aerodynamics
What type of ammunition typically uses mild steel core bullets?
Armor-piercing rounds
What is the primary difference between HSC and MSC bullets?
The hardness of the core
What is the main advantage of using copper or steel instead of lead in bullet cores?
Improved environmental sustainability
What is the primary characteristic of mild steel that makes it suitable for use in bullet cores?
Its relative softness
What is the core of FMJ bullets typically made of?
Lead
Study Notes
Ballistic Shields
- Types of shields: soft shields, handheld shields, and trolley-mounted shields
- Modular design allows for customization and combination of shields for increased protection
Modularity Options
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- Ballistic modularity: adding shields to increase protection level
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- Shield wall modularity: combining shields for greater coverage
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- NIJ IIIA protection level: 9mm and .357 mag capable, with 1205 fps and 1470 fps velocities
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- Lighting systems: integrated lighting for low-light environments
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- Camera with recording facility: under development for surveillance
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- Mounts/weapon cutouts: custom mounts for stand-alone mode
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- Provision for utilities and equipment: customization for user requirements
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- Exoskeleton carrying system: for heavy shields, with weight distribution and comfort
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- Handles and straps: multiple options for user comfort and maneuverability
Testing Process
- Ballistic testing: evaluating shield's ability to withstand bullets
- Impact testing: evaluating shield's resistance to projectiles or blunt objects
Bullet Types
- MSC (Mild Steel Core) bullets: soft steel core, used in armor-piercing rounds
- HSC (Hard Steel Core) bullets: hardened steel core, used in armor-piercing ammunition
- FMJ (Full Metal Jacket) bullets: soft metal core encased in harder metal jacket
Test your knowledge of ballistic shields, ammunition, and related properties. This quiz covers various aspects of ballistic shields, including materials, testing, and performance.
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