Forensic Ballistics Reviewer 8
1.The earliest known toolmark comparison case involving firearms occurred in London in
A. 1835 B. 1837 C. 1836 D. 1838 Answer: A 2. Published the first work describing wounds resulting from small caliber firearms. A. Henry Goddard B. John Sedgwick C. Monsieur Noilles D. Stonewall Jackson Answer: C 3. A firearm with long barrel and for-end or forearm extending nearly to the muzzle. A. Rifle B. Remington rifle C. Whitwoth rifles D. Musket Answer: D 4. A portion of a firearm's mechanism which ejects or expels cartridges or cartridge cases from a firearm. A. Ejector B. breech face C. Extractor D. Firing pin Answer: A 5. The negative impressions on the bearing surface of a bullet caused by the rifling in the barrel from which is was fired. A. Lapping B. Land and Groove impressions C. Obturation D. Parkerizing Answer: B 6. The ignition component of a cartridge. A. Priming mixture B. Priming powder C. Priming Charge D. Primer Answer: D 7. The locking and cartridge head support mechanism of a firearm that does not operate in line with the axis of the bore. A. Frame B. Breechblock C. Mandrel D. Box lock Answer: B 8. Developed the helixometer, a magnifier probe used to examine the interior of firearm barrels and accurately measure the pitch of rifling. A. Goddard and Waite B. Goddard and Gravelle C. Doddard and Fisher D. Waite and Fisher Answer: C 9. Essentially two microscopes connected to an optical bridge which allows the viewer to observe two objects simultaneously with the same degree of magnification. A. Compound microscope B. Comparison microscope C. Dual microscope D. Complex microscope Answer: B 10.He is considered by many firearm examiners to be the "father" of firearm and toolmark identification. A. Calvin H. Goddard B. John H. Fisher C. Colonel H. W. Todhunter D.Philip O. Gravelle Answer: A 11. t is the soft guiding metal that serves as the container of priming mixture, paper disc, and anvil. A. Primer cup B. Primer mixture C. Paper disc D. Battery cup Answer: A 12. It is the examination and testing of firearms by a recognized authority according to certain rules and stamped with a mark to indicate that they are safe for sale and used by the public. A. Provisional Proof B. Proof Marks C. Skid Marks D. Slippage Marks Answer: B 13. When the bullet first starts forward without turning, that before the bullet can begin to turn, it moves forward a small distance and this makes the front of the groove in the bullet wider than the rear part which leaves an impression called A. Provisional Proof B. Proof Marks C. Skid Marks D. Slippage Marks Answer: C 14. A mechanism in a revolver that swivels out and supports the cylinder. A. trigger spring B. trigger guard C. yoke D. anvil Answer: C 15. This refers to the deflection of the bullet from its normal path after striking a resistant surface. A. Misfire B. Mushroom C. Ricochet D. Key hole shot Answer: C Remember the ff: Forensic Ballistics 1. The earliest known toolmark comparison case involving firearms occurred in London in 1835 . 2. Monsieur Noilles - Published the first work describing wounds resulting from small caliber firearms. 3. Musket - A firearm with long barrel and forend or forearm extending nearly to the muzzle. 4. Ejector - A portion of a firearm's mechanism which ejects or expels cartridges or cartridge cases from a firearm. 5. Land and Groove impressions - The negative impressions on the bearing surface of a bullet caused by the rifling in the barrel from which is was fired. 6. Primer - The ignition component of a cartridge. 7. Breechblock - The locking and cartridge head support mechanism of a firearm that does not operate in line with the axis of the bore. 8. Goddard and Fisher - Developed the helixometer, a magnifier probe used to examine the interior of firearm barrels and accurately measure the pitch of rifling. 9. Comparison microscope - Essentially two microscopes connected to an optical bridge which allows the viewer to observe two objects simultaneously with the same degree of magnification. 10.Calvin H. Goddard - He is considered by many firearm examiners to be the "father" of firearm and toolmark identification. Forensic Ballistics Reviewer 9: Next Page
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