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Forensic Ballistic Reviewer

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Description

criminology board exam reviewer Forensic Ballistics Forensic ballistics

It involves analysis of bullets and bullets impact to determine information of use to a court or other part of legal system

Separately from the ballistics information,

firearm and tool mark examinations also involves analyzing firearm,

ammunition and tool mark evidence in order to establish whether a certain firearm or tool was used in the commission of crime

Ballistics

behavior and effects of projectiles especially bullet,

Ballistic missile

only guided during the relative brief initial powered phase of flight whose course is subsequently governed by the laws of classical mechanics

aerostatically using buoyancy or by ballistic movement without any direct solid mechanical support from the ground

Firearms identification

cartridge cases or other ammunition components as having been fired from a specific firearm

Rifling

This spin stabilize the projectile,

improving its stability and accuracy

Projectile

Trajectory

Firearm

Ballistic fingerprinting

ammunition and tool mark evidence in order to establish whether a certain firearm or tool was used in the commission of a crime

Gun ballistic

Four categories of gun ballistics 1

Internal/interior ballistic

Transition/intermediate ballistic

External/exterior ballistic

most commonly the earths atmosphere

Terminal ballistic

Colonel Calvin Hooker Goddard

Some Factors to be Considered in designing a Firearm 1

speed of firing Characteristics of a Muzzle Loader Firearm 1

powder and bullet loaded from top of the barrel 2

smooth bore with a round lead ball

limited range and accuracy Accuracy is Increased 1

by longer bore or length of metal tube 2

putting spiral grooves in the bore (riffling) Breech loading firearm

Sir Hiram Maxim

Richard Gatling

a machine gun with a six barrel capable of firing 200 rounds per minute at the earliest stages of development

Gatling Gun

crank operated multi barrel machine gun

note: velocities of bullets are increased with the use of a jacket of a metal

such as copper or copper alloys that covers a lead core and allow the bullet to glide down the barrel more easily than exposed lead

Such bullets are less likely to fragment on impact and are more likely to traverse through a target while imparting less energy

Fouling

What is the indispensable tool of the firearm examiner

Firearms Terminology 1

Includes lever action,pump action,

bolt action,and semi-automatic

The first three are found in weapons that fire a single shot

Firearms that can shoot multiple rounds "repeaters" include all these types of actions but only the semiautomatic does not require manual operation between rounds

A truly automatic action is found on a machine gun

Black Powder

Bullets

They are shaped or composed differently for a variety of purposes

Jacketed

that allows the bullet to penetrate a target more easily

Butt or Buttstock

Caliber

usually expressed in hundredths of an inch (

Cartridge

propellant and primer into a single unit within a containing metallic case that is precisely made to fit within the firing chamber of a firearm

Parts of a cartridge a

Centerfire

Chamber

Double Action

Double Barrel

Ignition

Old muzzle loading weapons used flintlock or percussion caps

Modern guns use primers that are rimfire or centerfire

Lands and Grooves

Magazine

an improved version of a standard cartridge which uses the same caliber and bullets,but has more powder,

giving the fired bullet more energy

For shotgun loads,magnum shells have more powder and may have increased length with more shot pellets

and leaves little residue when ignited

For centuries black powder was used and was quite volatile (ignited at low temperature or shock),was composed of irregularly sized grains,and left a heavy residue after ignition,requiring frequent cleaning of bore

Rimfire cartridges

Centerfire cartridges

Revolver

The cylinder revolves to bring the cartridge into position to be fired

This is a single action when the hammer must be cocked before the trigger can fire the weapon

It is double action when pulling the trigger both cock and fires the gun

Riffling

The metal between the grooves is called a land

Rimfire

Shotgun

Smoothbore weapons

Most handguns and rifles have riflings

Silencer

Most work by baffling the escape of gases

Single Action

Smokeless Powder

Not really smokeless but much less so than black powder

Composition of Gunpowder 1

Sulfur 2

Charcoal 3

Saltpeter (potassium nitrate)

Different Firing Mechanisms of Firearm 1

Matchlock

The powder in the pan then ignited,

sending flame through a small hole into the barrel chamber of the weapon,

igniting a larger powder charge in the chamber and sending the projectile (bullet) forward

improvement included the wheellock mechanism in which a spinning wheel against a metal plate showered sparks into the pan holding the priming powder

Flintlock

flint is released by the trigger mechanism that strikes a steel plate to shower sparks into the pan filled with powder

Percussion

consisted of a hammer that was locked and when released,

struck a cap containing a volatile "primer" that ignites on impact,

sending a flame through a small tube into the barrel chamber

- next,

inventors combined the individual components including the bullet,

powder charge and primer all in a single cartridge which could be introduced directly into the chamber

Forensic Ballistics Reviewer 1 1

The science of mechanics that deals with the flight,behavior and effects of projectiles

Ballistics B

Forensic Ballistics C

Ballistic missile D

Ballistic Fingerprinting 2

It involves the analysis of bullet impacts to determine information of use to a court or other part of the legal system

Ballistics B

Forensic Ballistics C

Ballistic missile D

Ballistic Fingerprinting 3

It involves analyzing firearm,ammunition,and toolmark evidence in order to establish whether a certain firearm or tool was used in the commission of crime

Ballistics B

Forensic Ballistics

Ballistic Missile D

Ballistic Fingerprinting 4

It is a missile guided only during the relative brief initial powered phase of flight whose course is subsequently governed by the laws of classical mechanics

Ballistics B

Forensic Ballistics C

Ballistic Missile D

Ballistic Fingerprinting 5

The study of the processes originally accelerating the projectile

Internal Ballistic B

Transition Ballistic C

External Ballistic D

Terminal Ballistic 6

The study of the passage of the projectile through a medium

Internal Ballistic B

Transition Ballistic C

External Ballistic D

Terminal ballistic 7

The study of the projectiles behavior when it leaves the barrel and the pressure behind the projectile is equalized

Internal Ballistics B

Transition Ballistics C

External Ballistics D

Terminal Ballistics 8

It is also called a round

Bullet B

Shell C

Primer D

Cartridge 9

Employed a burning wick on a spring that was locked back and released into a pan of powder upon pulling a trigger

Matchlock B

Wheellock C

Flintlock D

Percussion 10

Consists of a hammer that was locked and when released,

struck a cup containing a volatile primer that ignited on impact sending a flame through a small tube into the barrel chamber

Matchlock

Wheellock C

Flintlock D

Percussion Remember the following definition of terms: 1

Ballistics

Forensic Ballistics

Ballistic Fingerprinting

ammunition and toolmark evidence in order to establish whether a certain firearm or tool was used in the commission of crime

Ballistic Missile

Internal Ballistic

External Ballistic

Transition Ballistics

Cartridge

Matchlock

Percussion

struck a cup containing a volatile primer that ignited on impact sending a flame through a small tube into the barrel chamber

Answers: Forensic Ballistics 1

A B D'C A

C B D'A D

Forensic Ballistics Reviewer 2 1

Developed in the early 11th century,

flint is released by the trigger mechanism that strikes a steel plate to shower sparks into the pan filled with powder

Matchlock B

Wheellock C

Flintlock D

Percussion 2

In the early 16th century,

improvement included the wheellock mechanism in which a spinning wheel against a metal plate showered sparks into the pan holding priming powder

Matchlock B

Wheellock C

Flintlock D

Percussion 3

One of the following is not a characteristics of a muzzle loader gun

Spiral grooves in the bore B

Powder and bullet loaded from top of the barrel C

Smooth bore with a round lead ball D

Limited range and accuracy 4

A German gunsmith who developed a reliable small caliber automatic pistol in 1866

Carl Walther B

Hiram Maxim C

Georg Luger D

Richard Gatling 5

He designed the 9 mm cartridge introduced in 1902 for the Luger semi-automatic pistol

Carl Walther B

Hiram Maxim C

Georg Luger D

Richard Gatling 6

An American born inventor of the Maxim machine gun

Carl Walther B

Hiram Maxim

Georg Luger D

Richard Gatling 7

An American inventor after him

Carl Walther B

Hiram Maxim C

Georg Luger D

Richard Gatling

of the first successful machine gun,

He invented the Johnson model 1941 rifle,

one of the most innovative rifle during its period

Robert Johnson B

Albert Johnson C

Melvin M

Johnson Jr

Calvin M

Johnson 9

He pioneered the making of the first handheld machine gun

Oliver Fischer Winchester B

Thompson C

Daniel "Carbine" Williams D

Daniel B

He manufactured the Winchester repeating rifle which was a much re-designed descendant of the Volcanic rifle of some years earlier

Oliver Fischer Winchester B

Daniel Williams C

John Fischer Winchester D

Daniel B

Wesson Remember the following: Forensic Ballistics 1

Flintlock

flint is released by the trigger mechanism that strikes a steel plate to shower sparks into the pan filled with powder

Wheellock

improvement included the wheellock mechanism in which a spinning wheel against a metal plate showered sparks into the pan holding priming powder

Characteristics of a muzzle loader gun a

Powder and bullet loaded from top of the barrel b

Smooth bore with a round lead ball c

Limited range and accuracy 4

Carl Walther

Georg Luger

Hiram Maxim

Richard Gatling

Melvin M

Johnson Jr

one of the most innovative rifle during its period

Thompson

Oliver Fischer Winchester

Answers: Forensic Ballistics 1

C B A A C B D'C B A

Forensic Ballistics Reviewer 3 1

The Father of modern ballistics

He invented the comparison microscope and helixometer

Calvin Goddard B

Alvin Goddard C

Kevin Goddard D

Darwin Goddard 2

He pioneered the breech loading single shot rifle

John Browning B

Henry Derringer C

Samuel Colt

Patrick Ferguson 3

A Famous 19th century maker of pocket pistol

Patrick Ferguson B

John Browning C

Samuel Colt D

Henry Derringer 4

He designed his own rifle which was one of the first breech loading rifles to be widely tested by the British military

John Browning B

Samuel Colt C

Patrick Ferguson D

Henry Derringer 5

He was a Scottish Presbyterian clergyman who invented the percussion ignition

John Marlin B

Daniel Williams C

Alexander Forsyth D

Henry Derringer 6

He invented the Uzi sub-machine gun

John Marlin B

Daniel Williams C

Uziel Gamal D

Uziel Gal 7

He is the father of the semi automatic US rifle cal

John Garand B

Eliphalet Remington C

James Garand D

Daniel Williams 8

Russian designer of the the AK-47 assault rifle

Mike Kalashnikov B

John Marlin C

Mikhail Kalashnikov D

Patrick Ferguson 9

Founder of Marlin Firearms Co

Famous for the Marlin cal

22 carbine

James Mahon Marlin B

John Mahon Marlin C

Jack Marlin D

Jones Marlin 10

He is one of the first rifle makers

He is a blacksmith who made a

revolutionary sporting rifle using a firing mechanism bought from a dealer producing the barrel himself

Benjamin Robins B

Elisha King Root C

Eliphalet Remington D

Roger Bacon

Remember the following: Forensic Ballistics 1

Calvin Goddard

He invented the comparison microscope and helixometer

John Browning

Henry Derringer

Patrick Ferguson

Alexander Forsyth

Uziel Gal

John Garand

Mikhail Kalashnikov

John Mahon Marlin

Famous for the Marlin cal

22 carbine

Eliphalet Remington

He is a blacksmith who made a revolutionary sporting rifle using a firing mechanism bought from a dealer producing the barrel himself

Answers: Forensic Ballistics 1

A A D'C C D

A C B C

Forensic Ballistics Reviewer 4 1

One of the first to state a sound ballistic theories

Elisha King Root B

Berthold Schwartz C

Roger Bacon D

Benjamin Robins 2

Helped Samuel colt synthesize the manufacturing of firearms

Elisha King Root B

Berthold Schwartz C

Roger Bacon D

Benjamin Robins 3

He is considered as the first European to describe a mixture containing the essential ingredient of gun powder

Elisha King Root B

Berthold Schwartz C

Roger Bacon D

Benjamin Robins 4

Partner of Horace Smith in making revolver

Daniel Wesson B

Benjamin Wesson C

Craig Wesson D

Samuel Wesson 5

He is the maker of the first known carbine firearms

Daniel "Carbine" Williams B

Darwin "Carbine" Williams C

John "Carbine" Williams D

Mike "Carbine" Williams

The large ring surrounding the breech end of the barrel which provides a connection between the barrel and the recoil system

Trigger guard B

Anvil C

Trigger spring D

Form on the bearing surface of bullets as they enter the rifling of the barrel before the bullet engages the rifling

Shearing B

Proof marks C

Provisional proof D

Slippage mark 8

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

Shearing B

Provisional proof C

Proof marks D

Slippage mark 9

An internal metal component in a boxer primer assembly against which the priming mixture is crushed by the firing pin blow

Shearing B

Trigger guard C

Anvil D

Trigger spring 10

A flanged metallic cup used in shot-shell primer assemblies that provides a rigid support for the primer cup and anvil

Paper disc B

Battery cup C

Primer mixture D

Primer cup

Remember the following: 1

Benjamin Robins

for the first time introducing Newtonian science to military men,

was an early enthusiast for rifled gun barrels

Elisha King Root

Roger Bacon

Daniel Wesson

Daniel "Carbine" Williams

which provides a connection between the barrel and the recoil system

Slippage mark

Proof marks

Battery cup

Also called battery pocket

Answers: Forensic Ballistics 1

D A C A A D'D C C B

Forensic Ballistics Reviewer 5 1

The controlled expansion of a bullet upon impact with a target

Palm Swell B

Mushrooming C

Pedestalled D

Parkerizing 2

The cutting of metal from the surface of a bullet due to cylinder misalignment in a revolver

Abrasion marks

Shaving C

Abrasive machining D

Rolling block 3

Form on the bearing surface of bullets as they enter the rifling of the barrel before the bullet engages the rifling

Skidmarks B

Action marks C

Slide D

Anvil marks 4

The escaping of gases past a fired bullet while the bullet is still in the barrel

Backspatter B

Bearing surface C

Barrel extention D

Blowby 5

The accumulation of lead or bullet jacket material in the bore of a firearm due to the passage of bullets

Leading B

Ballistite C

Blowback D

Frizzen 6

A piece of cloth used with a rod to clean the bore of a firearm

Fulminate of mercury B

Nitro wad C

Patch D

Press forging 7

An action requiring the manual cocking of the hammer before sufficient pressure on the trigger releases the firing mechanism

Single-Action B

Automatic C

Double-action D

Semi-automatic 8

An inert cartridge which cannot be fired

Dummy ammunition B

Disintegrating bullet C

Conoidal bullet D

Mushroom bullet 9

The air that is compressed and moves out spherically from a firearm’s muzzle after firing a projectile

Bullet splash

Muzzle wave C

Choke D

Bunter 10

A device at or in the muzzle end of a barrel that uses the emerging gas behind the projectile to reduce recoil

Climb B

Muzzle Brake C

Latch D

Lock plate

Remember the ff: Forensic Ballistics 1

Mushrooming

Shaving

Skidmarks

Skid marks are typically produced by revolvers and have the appearance of widening the land impressions at the nose of the bullet

Leading

Single-Action

Dummy ammunition

Muzzle wave

Muzzle Brake

Answers: Forensic ballistics

B B A D'A C A A B B

Forensic Ballistics Reviewer 6 1

When the first chamber of a jacketed bullet expands and the rear chamber holds together for penetration

Convex B

Correlations C

Cordite D

Controlled expansion 2

A plastic,paper,or fiber disk used to keep ammunition components in place or separated

Card Wad B

Tumble D

Marks produced by the random imperfections or irregularities of tool surfaces

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

Card wad B

Filler wad C

Cup wad

A plastic or paper insert surrounding the shot charge in a shot-shell to reduce distortion

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

Card wad B

Filler wad C

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

Card wad B

Filler wad C

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,

Shot protector wad B

Filler wad C

Combination Wad D

Cup wad 10

A bullet with a deep base cavity

Hollow base bullet B

Incendiary bullet C

Hollow point bullet D

Jacketed bullet Remember the following: Forensic ballistics 1

Controlled expansion

Individual characteristics

Card wad

Shot collar

Filler wad

Cup wad

Shot protector wad

Combination wad

Hollow base bullet

Answers: Forensic Ballistics 1

D D'B A C B D'A C A

Forensic Ballistics Reviewer 7 1

A collection and cataloging of test-fired bullets and cartridge cases

Classifying B

Bullet comparison C

Known standards D

Collected standards 2

The number,

and direction of twist of the rifling grooves in a barrel of a given caliber firearm

General Rifling Characteristics B

Gross forming C

Groove diameter D

Intercomparison 3

A discipline of forensic science which has as its primary concern to determine if a bullet,

or other ammunition0 component was fired by a particular firearm

Ballistic examination B

Firearms identification C

Ballistics D

Toolmark identification 4

A discipline of forensic science which has as its primary concern to determine if a toolmark was produced by a particular tool

Ballistic examination B

Firearms identification C

Forensic Ballistics D

Toolmark identification 5

Contour variations,

on the surface of an object caused by a combination of force and motion where the motion is approximately parallel to the plane being marked

Striations B

Class characteristics C

Sub-class characteristics D

Discernible surface features of an object which are more restrictive than class characteristics

Striations B

Class characteristics C

Sub-class characteristics D

Toolmarks 7

Measurable features of a specimen which indicate a restricted group source

They result from design factors,

and are therefore determined prior to manufacture

Striations

Class characteristics C

Sub-class charateristics D

Toolmarks 8

Marks produced by the random imperfections or irregularities of tool surfaces

These random imperfections or irregularities are produced incidental to manufacture and/or caused by use,

Individual characteristics B

Class characteristics C

Sub-class characteristics D

Toolmarks 9

Striae or patterns of minute lines or grooves in an object

In firearm and toolmark identification these marks are characteristic of the object which produced them and are the basis for identification

Individual characteristics B

Toolmarks C

Microscopic marks D

Class characteristics 10

The process of determining whether or not the details of striated marks or impressions on two objects correspond,

such as fired and unfired cartridge cases and shot-shell cases

Pattern matching B

Land and Groove identification C

Pattern Identification D

Toolmark identification

Remember the ff: Forensic Ballistics 1

Known standards

Also known as Fired standards

General Rifling Characteristics

and direction of twist of the rifling grooves in a barrel of a given caliber firearm

Firearms identification

or other ammunition component was fired by a particular firearm

Toolmark identification

as its primary concern to determine if a toolmark was produced by a particular tool

Striations

on the surface of an object caused by a combination of force and motion where the motion is approximately parallel to the plane being marked

Subclass characteristics

Class characteristics

They result from design factors,

and are therefore determined prior to manufacture

Individual characteristics

These random imperfections or irregularities are produced incidental to manufacture and/or caused by use,

Microscopic marks

In firearm and toolmark identification these marks are characteristic of the object which produced them and are the basis for identification

Pattern matching

Answers: Forensic Ballistics 1

C A B D'A C B A C A

Forensic Ballistics Reviewer 8 1

The earliest known toolmark comparison case involving firearms occurred in London in

Published the first work describing wounds resulting from small caliber firearms

Henry Goddard B

John Sedgwick C

Monsieur Noilles D

Stonewall Jackson 3

A firearm with long barrel and for-end or forearm extending nearly to the muzzle

Rifle B

Remington rifle C

Whitwoth rifles D

Musket 4

A portion of a firearm's mechanism which ejects or expels cartridges or cartridge cases from a firearm

Ejector B

Extractor D

Firing pin 5

The negative impressions on the bearing surface of a bullet caused by the rifling in the barrel from which is was fired

Lapping B

Land and Groove impressions C

Obturation D

Parkerizing 6

The ignition component of a cartridge

Priming mixture B

Priming powder C

Priming Charge D

Primer 7

The locking and cartridge head support mechanism of a firearm that does not operate in line with the axis of the bore

Frame B

Breechblock C

Mandrel D

Box lock 8

Developed the helixometer,

a magnifier probe used to examine

the interior of firearm barrels and accurately measure the pitch of rifling

Goddard and Waite B

Goddard and Gravelle C

Goddard and Fisher D

Waite and Fisher 9

Essentially two microscopes connected to an optical bridge which allows the viewer to observe two objects simultaneously with the same degree of magnification

Compound microscope B

Comparison micoscope C

Dual microscope D

Complex microscope 10

He is considered by many firearm examiners to be the "father" of firearm and toolmark identification

Calvin H

Goddard B

Fisher C

Colonel H

Todhunter D

Philip O

Gravelle

Remember the ff: Forensic Ballistics 1

The earliest known toolmark comparison case involving firearms occurred in London in 1835

Monsieur Noilles

Ejector

Land and Groove impressions

Breechblock

Goddard and Fisher

a magnifier probe used to examine the interior of firearm barrels and accurately measure the pitch of rifling

Comparison microscope

Calvin H

Goddard

Answers: Forensic Ballistics 1

A C D'A B D'B C B A

Forensic Ballistics Reviewer 9 1

The curve taken by the bullet while in flight is called A

A mechanism in a revolver that connects pivot between the frame and cylinder

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

Provisional Proof B

Proof Marks C

Skid Marks D

Slippage Marks

Among the following,

which is a long smooth bored firearm that is designed to prepare a single shot

Shotgun B

Musket C

Carbine D

Caliber 5

It is the soft guiding metal which serves as the container of priming mixture,

Primer cup B

Primer mixture C

Paper disc D

Battery cup 6

An automatic weapon that can fire from 400 to 1,600 rounds of ammunition each minute

Armalite B

Machine gun D

Glock 7

Historians considered that the age of gunpowder began with its first use as a propellant for a projectile on A

One from Hartford,

Connecticut,

who produced the first practical revolver and became famous for its

45 caliber

Samuel Colt B

Carl Walther C

Oliver Winchester D

Garand 9

It includes rocket launchers and such mounted guns as howitzers,

Gunnery B

Artillery C

Musketry D

Ballistics 10

That part of the handgun designed in a metal tube through which the bullet is fired

Barrel D

Rifling Answers: Forensic Ballistics Reviewer 9 1

C Forensic Ballistics Reviewer 10 1

The shape metal while hot and plastic by hammering or by a forging process,either by hand or by machine

Forging B

Casting C

Blanking D

Shearing 2

To cut sheet or bar metal between two blades which pass immediately to each other

Forging B

Casting C

Blanking D

Shearing 3

Cutting or pressing a piece of metal from a sheet

In ammunition manufacture,

the usable part of a blanking operation is the material removed from the hole,

Forging B

Casting C

Blanking D

Shearing 4

An object at or near finished shape which is produced by solidification of a substance in a mold

Pouring molten metal into a mold to produce an object of desired shape

Forging B

Casting C

Blanking D

Shearing

To cut out,

bend or form with a stamp or die

Extrusion B

Hammer Forging C

Drawing D

Stamping 6

A process using dies and punches to simultaneously reduce the diameter and extend the length of a cup-shaped metal part

Used for both cartridge cases and bullet jackets

Extrusion B

Hammer Forging C

Drawing D

Stamping 7

The process of forming the interior and/or exterior shape of the barrel of a firearm by hammering

Extrusion B

Swagging C

Drawing D

Stamping 8

The slow forcing of material under high pressure through a die reduce its diameter

This process is generally performed in a hydraulic press

Lead wire used in bullet making is extruded

Impact extrusion can be used to make bullet jackets and cartridge cases

Extrusion B

Swagging C

Drawing D

Stamping 9

Cutting holes in metal with a twist drill

Abrasive machining B

Broaching C

Reaming D

Drilling 10

To widen the opening of a hole,

Countersink: to enlarge or dress out a hole with a reamer,

Abrasive machining B

Broaching C

Reaming D

Drilling 11

Finishing surfaces by drawing or pushing a cutter

called a broach entirely over and past the surface

A broach has a series of cutting teeth arranged in a row or rows,

graduated in height from the teeth that cut first to those that cut last

Abrasive machining B

Broaching C

Reaming D

Drilling 12

The use of abrasives rather than high-speed steel or tungsten carbide cutting tools

Abrasive machining B

Broaching C

Reaming D

Drilling 13

Metal-cutting machining in which the work piece is firmly attached to a horizontal table that moves back and forth under a single-point cutting tool

The tool-holding device is mounted on a cross-rail so that the tool can be fed (moved) across the table in small,

side-ward movements at the end of each pass of the table

Planing B

Boring C

Milling D

Turning 14

Producing smooth and accurate holes in a work piece by enlarging existing holes with a bore,

which may bear a single cutting tip of steel,

or diamond or may be a small grinding wheel

Planing B

Boring C

Milling D

Turning 15

Cutting metal by feeding against a rotating cutting tool called a milling cutter

milling machines cut flat surfaces,

Various form-tooth cutters are used for cutting concave forms and convex grooves,

Planing B

Boring C

Milling D

Turning 16

Turning operations involve cutting excess metal,

from the external diameter of a work piece and include turning straight or tapered cylindrical shapes,

and facing flat surfaces on the ends of cylindrical parts

Planing B

Boring C

Milling D

Turning 17

Shaping and planing operations involve the machining of flat surfaces,

T-slots,

and angular surfaces with single-point tools

Planing B

Boring C

Milling D

Shaping Answers: Forensic Ballistics 1

A D'C B D'C B A D'C B A A B C D'D