Forensic Ballistics Reviewer 6
1.When the first chamber of a jacketed bullet expands and the rear chamber holds together for penetration.
A.Convex B. Correlations C. Cordite D. Controlled expansion 2. A plastic,paper,or fiber disk used to keep ammunition components in place or separated. A. Card Wad B. Vent C. Tumble D. Wad 3.Marks produced by the random imperfections or irregularities of tool surfaces. A. Inter-comparison B. Individual characteristics C. Impressions D.Headstamp 4. A thin card-like disc used in shot-shells as overshot wad, undershot wad and over-powder wad. A. Card wad B. Filler wad C. Wad D.Cup wad 5. A plastic or paper insert surrounding the shot charge in a shot-shell to reduce distortion. A. Card wad B. Filler wad C. Shot collar D. Cup wad 6.Circular disc of various thicknesses used to adjust the volume of the contents of a shot-shell. A. Card wad B. Filler wad C. Vent D. Cup wad 7. A powder and shot separator of very shallow cup design, which when loaded with lips down acts to help seal powder gases and so protect the rear of the shot column. A. Card wad B. Filler wad C. Wad D. Cup wad 8. Various designs of shot cups made of plastic and designed to reduce pellet deformation during barrel travel A. Shot protector wad B. Filler wad C. Combination Wad D. Cup wad 9.One piece of multi-piece plastic wad which may combine the following items: shot protector, filler wad, and over-powder wad. A. Shot protector wad B. Filler wad C. Combination Wad D. Cup wad 10. A bullet with a deep base cavity. A. Hollow base bullet B. Incendiary bullet C. Hollow point bullet D.Jacketed bullet 11. The science dealing with the motion of a projectile and the conditions governing that motion. A. Ballistics B. Forensic Ballistics C. Terminal Ballistics D. External Ballistics Answer: A Remember the following: Forensic ballistics 1. Controlled expansion - When the first chamber of a jacketed bullet expands and the rear chamber holds together for penetration. 2.Wad - A plastic,paper,or fiber disk used to keep ammunition components in place or separated. 3.Individual characteristics - Marks produced by the random imperfections or irregularities of tool surfaces. 4. Card wad - A thin card-like disc used in shotshells as Overshot wad,Undershot wad and over powder wad. 5.Shot collar - A plastic or paper insert surrounding the shot charge in a shotshell to reduce distortion. 6.Filler wad - Circular disc of various thicknesses used to adjust the volume of the contents of a shotshell. 7.Cup wad - A powder and shot separator of very shallow cup design,which when loaded with lips down acts to help seal powder gases and so protect the rear of the shot column. 8.Shot protector wad - Various designs of shot cups made of plastic and designed to reduce pellet deformation during barrel travel. 9.Combination wad - One piece of multi-piece plastic wad which may combine the following items: shot protector, filler wad, and over-powder wad. 10. Hollow base bullet - a bullet with a deep base cavity. Answers: Forensic Ballistics
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