1. The science, that deals with the study, comparison, and identification of weapons alleged to have been used in the commission of a crime is referred to as _____.
A. Firearm Study
B. Forensic Gun Study
C. Forensics
Answer: D. Forensic Ballistics
2. The tumbling of the bullet in its flight and hitting the target sideways as a result of not spinning on its axis.
A. Key-hole shot
B. Back shot
C. Mid range trajectory
D. Point Blank
Answer: A. Key-hole shot
3. The power of the bullet that results in the instantaneous death of the victim is called:
A. Zero power
B. Power ranger
C. Shocking power
D. Power range
Answer: C. Shocking power
4. What do you call the depth of entry of the bullet in the target?
A. Terminal Velocity
B. Terminal Penetration
C. Terminal Ballistics
D. Terminal Power
Answer: B. Terminal Penetration
5. Shotgun pellets made from lead especially hardened by the addition of a slight amount of antimony. This refers to:
A. Shot Gun
B. Chilled Shot
C. Shot ballistics
D. All of these
Answer: B. Chilled Shot
6. This is caused by the flame or hot gases not by the hot projectiles as is commonly believed. It is also known as burning or charring.
A. Blackening
B. Tattooing
C. Scorching
D. Pink coloration
Answer: C. Scorching
7. The main advantage of the double-action revolver over the single-action revolver is that
A. it can be fired rapidly
B. it can be fired single shot
C. there is no recoil
D. better fire power
Answer: A. it can be fired rapidly
8. A gigantic bow or catapult which was used to hurl large objects such as stones at a particular distance to deter animals or enemy forces.
A. Catapult
B. Balle
C. Ballein
D. Ballista
Answer: D. Ballista
9. The scientific study of the propulsion and motion of projectiles such as bullets, artillery shells, rockets and guided missiles.
A. Propulsion
B. Expulsion
C. Repulsion
D. Extraction
Answer: A. Propulsion
10. The British engineer Benjamin Robins conducted many experiments in interior ballistics. His findings justly entitle him to be called the.
A. father of modern gunnery
B. father of modern ballistics
C. father of interior ballistics
D. father of forensic ballistics.
Answer: A. father of modern gunnery
11. Late in the 18th century the Anglo-American physicist Benjamin Thompson made the first attempt to measure the pressure generated by gunpowder. The account of his experiments was the most important contribution to:
A. Exterior ballistics
B. Forensic Ballistics
C. Interior ballistics
D. None of these
Answer: C. Interior ballistics
12. An arbitrary index of the quickness that burning propellant changes into gas. It is the rate controlled by the chemical composition, the size and shape of the propellant grains, and the pressure at which the burning takes place.
A. Gas Power
B. Burning Rate
C. Propulsion Rate
D. Bulk Density
Answer: B. Burning Rate
13. It is the equal and opposite reaction of the gun against the forward movement of the bullet during the explosions.
A. Residual Pressure
B. Recoil
C. Backfire
D. Misfire
Answer: B. Recoil
14. The speed per unit of time of the M16 is 3,300 ft/sec. This refers to:
A. Fire power
B. Velocity
C. Energy
D. All of these
Answer: B. Velocity
15. The noise created at the muzzle point of the gun due to the sudden escape of the expanding gas coming in contact with the air in the surrounding atmosphere at the muzzle point.
A. Muzzle Blast
B. Muzzle Energy
C. Range noise
D. Fire power
Answer: A. Muzzle Blast
16. What is the actual curved path of the bullet during its flight from the gun muzzle to the target?
A. Yaw
B. Accuracy
C. Trajectory
D. Velocity
Answer: A. Yaw
17. The means that the bullet may lose its speed very rapidly during its flight the air. This is a number that relates to the effect of air drag on the bullet’s flight and which can be used to later predict a bullet’s trajectory under different circumstances through what are called “drag tables.”
A. Bullet trajectory
B. Critical zone
C. Ballistics Coefficient
D. Down Range
Answer: C. Ballistics Coefficient
18. The mechanism or system of a hand gun that covers manipulating, loading, firing and extracting rounds.
A. Action
B. Breach
C. Chambering
D. Grouping
Answer: A. Action
19. The way the bullet actually flies through the air, including the overall mass, air drag, drop, and wind drift.
A. Internal Ballistics
B. Terminal Ballistics
C. Impact Ballistics
D. External Ballistics
Answer: D. External Ballistics
20. The metal tube on the end of the gun that the bullet is propelled out of.
A. Chamber
B. Cylinder
C. Barrel
D. Muzzle
Answer: C. Barrel
21. A round that contains gunpowder but no bullet.
A. Ammo
B. Blank
C. Cartridge
D. Slug
Answer: B. Blank
22. A specific type of black/blue finish that is applied to the metal parts of handguns.
A. Blacking
B. Bluing
C. Graying
D. Browning
Answer: B. Bluing
23. The empty casing of a round, which is usually made out of brass.
A. Brass
B. Silver
C. Tin
D. Metal
Answer: A. Brass
25. Refers to a specific size of round, usually labelled using the diameter of the bullet.
A. Cartridge
B. Bullet
C. Caliper
D. Caliber
Answer: D. Caliber
26. What is the single projectile package called, that gets loaded into the gun:
A. Slug
B. Caliper
C. Cartridge
D. Round
Answer: A. Slug
27. The empty shell of a round.
A. Cartridge
B. Casing
C. Brass
D. Bullet
Answer: B. Casing
28. A cartridge with its primer located in the center of the base of the case.
A. Firing pin
B. Firing pin block
C. Centerfire
D. Primer
Answer: C. Centerfire
29. 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.
A. Matchlock
B. Wheellock
C. Flintlock
D. Percussion
Answer: C. Flintlock
30. 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.
A. Matchlock
B. Wheellock
C. Flintlock
D. Percussion
Answer: B. Wheellock
31. One of the following is not a characteristic of a muzzle loader gun.
A. 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
Answer: A. Spiral grooves in the bore
32. A German gunsmith who developed a reliable small caliber automatic pistol in 1866.
A. Carl Walther
B. Hiram Maxim
C. Georg Luger
D. Richard Gatling
Answer: A. Carl Walther
33. He designed the 9 mm cartridge introduced in 1902 for the Luger semi-automatic pistol.
A. Carl Walther
B. Hiram Maxim
C. Georg Luger
D. Richard Gatling
Answer: C. Georg Luger
34. An American-born inventor of the Maxim machine gun.
A. Carl Walther
B. Hiram Maxim
C. Georg Luger
D. Richard Gatling
Answer: B. Hiram Maxim
35. An American inventor of the first successful machine gun, named after him.
A. Carl Walther
B. Hiram Maxim
C. Georg Luger
D. Richard Gatling
Answer: D. Richard Gatling
36. He invented the Johnson model 1941 rifle, one of the most innovative rifles during its period.
A. Robert Johnson
B. Albert Johnson
C. Melvin M. Johnson Jr.
D. Calvin M. Johnson
Answer: C. Melvin M. Johnson Jr.
37. He pioneered the making of the first handheld machine gun.
A. Oliver Fischer Winchester
B. John T. Thompson
C. Daniel “Carbine” Williams
D. Daniel B. Wesson.
Answer: B. John T. Thompson
38. He manufactured the Winchester repeating rifle which was a much re-designed descendant of the Volcanic rifle of some years earlier.
A. Oliver Fischer Winchester
B. Daniel Williams
C. John Fischer Winchester
D. Daniel B. Wesson
Answer: A. Oliver Fischer Winchester
39. The Father of modern ballistics. He invented the comparison microscope and helixometer.
A. Col. Calvin Goddard
B. Col. Alvin Goddard
C. Col. Kevin Goddard
D. Col. Darwin Goddard
Answer: A. Col. Calvin Goddard
40. He pioneered the breech loading single shot rifle.
A. John Browning
B. Henry Derringer
C. Samuel Colt
D. Patrick Ferguson
Answer: A. John Browning
41. A Famous 19th century maker of pocket pistol.
A. Patrick Ferguson
B. John Browning
C. Samuel Colt
D. Henry Derringer
Answer: D. Henry Derringer
42. He designed his own rifle which was one of the first breech-loading rifles to be widely tested by the British military.
A. John Browning
B. Samuel Colt
C. Patrick Ferguson
D. Henry Derringer
Answer: C. Patrick Ferguson
43. He was a Scottish Presbyterian clergyman who invented the percussion ignition.
A. John Marlin
B. Daniel Williams
C. Alexander Forsyth
D. Henry Derringer
Answer: C. Alexander Forsyth
44. He invented the Uzi sub-machine gun.
A. John Marlin
B. Daniel Williams
C. Uziel Gamal
D. Uziel Gal
Answer: D. Uziel Gal
45. He is the father of the semi-automatic US rifle cal. 30 M1.
A. John Garand
B. Eliphalet Remington
C. James Garand
D. Daniel Williams
Answer: A. John Garand
46. Russian designer of the the AK-47 assault rifle.
A. Mike Kalashnikov
B. John Marlin
C. Mikhail Kalashnikov
D. Patrick Ferguson
Answer: C. Mikhail Kalashnikov
47. Founder of Marlin Firearms Co.Famous for the Marlin cal. 22 carbine.
A. James Mahon Marlin
B. John Mahon Marlin
C. Jack Marlin
D. Jones Marlin
Answer: B. John Mahon Marlin
48. 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.
A. Benjamin Robins
B. Elisha King Root
C. Eliphalet Remington
D. Roger Bacon
Answer: C. Eliphalet Remington
49. One of the first to state a sound ballistic theories.
A. Elisha King Root
B. Berthold Schwartz
C. Roger Bacon
D. Benjamin Robins
Answer: D. Benjamin Robins
50. Helped Samuel colt synthesize the manufacturing of firearms.
A. Elisha King Root
B. Berthold Schwartz
C. Roger Bacon
D. Benjamin Robins
Answer: A. Elisha King Root
51. He is considered as the first European to describe a mixture containing the essential ingredient of gun powder.
A. Elisha King Root
B. Berthold Schwartz
C. Roger Bacon
D. Benjamin Robins
Answer: C. Roger Bacon
52. Partner of Horace Smith in making revolver.
A. Daniel Wesson
B. Benjamin Wesson
C. Craig Wesson
D. Samuel Wesson
Answer: A. Daniel Wesson
53. He is the maker of the first known carbine firearms.
A. Daniel “Carbine” Williams
B. Darwin “Carbine” Williams
C. John “Carbine” Williams
D. Mike “Carbine” Williams.
Answer: A. Daniel “Carbine” Williams
54. The large ring surrounding the breech end of the barrel which provides a connection between the barrel and the recoil system.
A. Trigger guard
B. Anvil
C. Trigger spring
D. Yoke
Answer: D. Yoke
55. An internal metal component in a boxer primer assembly against which the priming mixture is crushed by the firing pin blow.
A. Shearing
B. Trigger guard
C. Anvil
D. Trigger spring
Answer: C. Anvil
56. A flanged metallic cup used in shot-shell primer assemblies that provides a rigid support for the primer cup and anvil.
A. Paper disc
B. Battery cup
C. Primer mixture
D. Primer cup
Answer: B. Battery cup
57. The controlled expansion of a bullet upon impact with a target.
A. Palm Swell
B. Mushrooming
C. Pedestalled
D. Parkerizing
Answer: A. Palm Swell
58. The cutting of metal from the surface of a bullet due to cylinder misalignment in a revolver.
A. Abrasion marks
B. Shaving
C. Abrasive machining
D.Rolling block
Answer: B. Shaving
59. Form on the bearing surface of bullets as they enter the rifling of the barrel before the bullet engages the rifling.
A. Skid marks
B. Action marks
C. Slide
D. Anvil marks
Answer: A. Skid marks
60. The escaping of gases past a fired bullet while the bullet is still in the barrel.
A. Backspatter
B. Bearing surface
C. Barrel extension
D. Blowby
Answer: D. Blowby
61. The accumulation of lead or bullet jacket material in the bore of a firearm due to the passage of bullets.
A. Leading
B. Ballistite
C. Blowback
D.Frizzen
Answer: A. Leading
62. A piece of cloth used with a rod to clean the bore of a firearm.
A. Fulminate of mercury
B. Nitro wad
C. Patch
D. Press forging
Answer: C. Patch
63. An action requiring the manual cocking of the hammer before sufficient pressure on the trigger releases the firing mechanism.
A. Single-Action
B. Automatic
C. Double-action
D. Semi-automatic
Answer: A. Single-Action
64. An inert cartridge that cannot be fired.
A. Dummy ammunition
B. Disintegrating bullet
C. Conoidal bullet
D. Mushroom bullet
Answer: A. Dummy ammunition
65. The air that is compressed and moves out spherically from a firearm’s muzzle after firing a projectile.
A. Bullet splash
B. Muzzle wave
C. Choke
D. Bunter
Answer: B. Muzzle wave
66. A device at or in the muzzle end of a barrel that uses the emerging gas behind the projectile to reduce recoil.
A. Climb
B. Muzzle Brake
C. Latch
D. Lock plate
Answer: B. Muzzle Brake
67. 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
Answer: D. Controlled expansion
68. A plastic, paper, or fiber disk used to keep ammunition components in place or separated.
A. Card Wad
B. Vent
C. Tumble
D. Wad
Answer: D. Wad
69. A thin card-like disc used in shot-shells as an overshot wad, undershot wad, and over-powder wad.
A. Card wad
B. Filler wad
C. Wad
D. Cup wad
Answer: A. Card wad
70. A plastic or paper inserts surrounding the shot charge in a shot-shell to reduce distortion.
A. Card wad
B. Filler wad
C. Shot collar
D. Cup wad
Answer: C. Shot collar
71. 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
Answer: B. Filler wad
72. A powder and shot separator of a 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
Answer: D. Cup wad
73. 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
Answer: A. Shot protector wad
74. 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
Answer: C. Combination Wad
75. A bullet with a deep base cavity.
A. Hollow base bullet
B. Incendiary bullet
C. Hollow point bullet
D. Jacketed bullet
Answer: A. Hollow base bullet
76. A collection and cataloging of test-fired bullets and cartridge cases from known firearms.
A. Classifying
B. Bullet comparison
C. Known standards
D. Collected standards
Answer: C. Known standards
77. The number, width, and direction of twist of the rifling grooves in a barrel of a given caliber firearm.
A. General Rifling Characteristics
B. Gross forming
C. Groove diameter
D. Intercomparison
Answer: A. General Rifling Characteristics
78. A discipline of forensic science that has as its primary concern to determine if a bullet, cartridge case, or other ammunition component was fired by a particular firearm.
A. Ballistic examination
B. Firearms identification
C. Ballistics
D. Toolmark identification
Answer: B. Firearms identification
79. A discipline of forensic science which has as its primary concern to determine if a toolmark was produced by a particular tool.
A. Ballistic examination
B. Firearms identification
C. Forensic Ballistics
D. Toolmark identification
Answer: D. Toolmark identification
80. Contour variations, generally microscopic, 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.
A. Striations
B. Class characteristics
C. Sub-class characteristics
D. Toolmarks
Answer: A. Striations
81. Discernible surface features of an object which are more restrictive than class characteristics.
A. Striations
B. Class characteristics
C. Sub-class characteristics
D. Toolmarks
Answer: C. Sub-class characteristics
82. Measurable features of a specimen that indicate a restricted group source. They result from design factors and are therefore determined prior to manufacture.
A. Striations
B. Class characteristics
C. Sub-class characteristics
D. Toolmarks
Answer: B. Class characteristics
83. 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, corrosion, or damage.
A. Individual characteristics
B. Class characteristics
C. Sub-class characteristics
D. Toolmarks
Answer: A. Individual characteristics
84. 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.
A. Individual characteristics
B. Toolmarks
C. Microscopic marks
D. Class characteristics
Answer: C. Microscopic marks
85. 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.
A. Pattern matching
B. Land and Groove identification
C. Pattern Identification
D. Toolmark identification
Answer: A. Pattern matching
86. The earliest known toolmark comparison case involving firearms occurred in London in
A. 1835
B. 1837
C. 1836
D. 1838
Answer: A. 1835
87. 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. Monsieur Noilles
88. 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. Musket
89. 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. Ejector
90. The negative impressions on the bearing surface of a bullet caused by the rifling in the barrel from which it was fired.
A. Lapping
B. Land and Groove impressions
C. Obturation
D. Parkerizing
Answer: B. Land and Groove impressions
91. The ignition component of a cartridge.
A. Priming mixture
B. Priming powder
C. Priming Charge
D. Primer
Answer: D. Primer
92. 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. Breechblock
93. 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. Doddard and Fisher
94. Essentially two microscopes are connected to an optical bridge allows the viewer to observe two objects simultaneously with the same degree of magnification.
A. Compound microscope
B. Comparison micoscope
C. Dual microscope
D. Complex microscope
Answer: B. Comparison microscope
95. 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. Calvin H. Goddard
96. The curve taken by the bullet while in flight is called
A. Rifling curves
B. Effective range
C. Drift
D. Maximum distance
Answer: C. Drift
97. A mechanism in a revolver that connects pivot between the frame and cylinder.
A. Trigger spring
B. Trigger guard
C. Yoke
D. Anvil
Answer: C. Yoke
98. Proof Marks – 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. Proof Marks
99. Among the following, which is a long smooth bored firearm that is designed to prepare a single shot?
A. Shotgun
B. Musket
C. Carbine
D. Caliber
Answer: B. Musket
100. It is the soft guiding metal that serves as the container for priming mixture, paper disc and anvil.
A. Primer cup
B. Primer mixture
C. Paper disc
D. Battery cup
Answer: A. Primer cup
101. An automatic weapon that can fire from 400 to 1,600 rounds of ammunition each minute.
A. Armalite
B. Uzi
C. Machine gun
D. Glock
Answer: C. Machine gun
102. Historians considered that the age of gunpowder began with its first use as a propellant for a projectile on
A. 1313
B. 1413
C. 1280
D. 1350
Answer: A. 1313
103. One from Hartford, Connecticut, who produced the first practical revolver and became famous for its .45 caliber.
A. Samuel Colt
B. Carl Walther
C. Oliver Winchester
D. John C. Garand
Answer: A. Samuel Colt
105. It includes rocket launchers and such mounted guns as howitzers, mortars, antiaircraft guns, and naval guns.
A. Gunnery
B. Artillery
C. Musketry
D. Ballistics
Answer: B. Artillery
106. That part of the handgun designed in a metal tube through which the bullet is fired.
A. Grip
B. Frame
C. Barrel
D. Rifling
Answer: C. Barrel
107. The shape metal while hot and plastic by hammering or by a forging process, either by hand or by machine.
A. Forging
B. Casting
C. Blanking
D. Shearing
Answer: A. Forging
108. To cut sheet or bar metal between two blades which pass immediately to each other.
A. Forging
B. Casting
C. Blanking
D. Shearing
Answer: D. Shearing
109. 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, usually a disk.
A. Forging
B. Casting
C. Blanking
D. Shearing
Answer: C. Blanking
110. An object at or near a finished shape which is produced by the solidification of a substance in a mold. Pouring molten metal into a mold to produce an object of the desired shape.
A. Forging
B. Casting
C. Blanking
D. Shearing
Answer: B. Casting
111. To cut out, bend or form with a stamp or die.
A. Extrusion
B. Hammer Forging
C. Drawing
D. Stamping
Answer: D. Stamping
112. 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.
A. Extrusion
B. Hammer Forging
C. Drawing
D. Stamping
Answer: C. Drawing
113. The process of forming the interior and/or exterior shape of the barrel of a firearm by hammering.
A. Extrusion
B. Swagging
C. Drawing
D. Stamping
Answer: B. Swagging
114. 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.
A. Extrusion
B. Swagging
C. Drawing
D. Stamping
Answer: A. Extrusion
115. Cutting holes in metal with a twist drill.
A. Abrasive machining
B. Broaching
C. Reaming
D. Drilling
Answer: D. Drilling
116.To widen the opening of a hole, Countersink: to enlarge or dress out a hole with a reamer, to enlarge the bore of a gun.
A. Abrasive machining
B. Broaching
C. Reaming
D. Drilling
Answer: C. Reaming
117. 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.
A. Abrasive machining
B. Broaching
C. Reaming
D. Drilling
Answer: B. Broaching
118. The use of abrasives rather than high-speed steel or tungsten carbide cutting tools.
A. Abrasive machining
B. Broaching
C. Reaming
D. Drilling
Answer: A. Abrasive machining
119. Metal-cutting machining in which the workpiece 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, discrete, side-ward movements at the end of each pass of the table.
A. Planing
B. Boring
C. Milling
D. Turning
Answer: A. Planing
120. 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, cemented carbide, or diamond or maybe a small grinding wheel.
A. Planing
B. Boring
C. Milling
D. Turning
Answer: B. Boring
121. Cutting metal by feeding against a rotating cutting tool called a milling cutter; milling machines cut flat surfaces, grooves, shoulders, inclined surfaces, dovetails, and T-slots. Various form-tooth cutters are used for cutting concave forms and convex grooves, for rounding corners, and for cutting gear teeth.
A. Planing
B. Boring
C. Milling
D. Turning
Answer: C. Milling
122. Turning operations involve cutting excess metal, in the form of chips, from the external diameter of a work piece and include turning straight or tapered cylindrical shapes, grooves, shoulders, and screw threads, and facing flat surfaces on the ends of cylindrical parts.
A. Planing
B. Boring
C. Milling
D. Turning
Answer: D. Turning
123. Shaping and planning operations involve the machining of flat surfaces, grooves, shoulders, T-slots, and angular surfaces with single-point tools.
A. Planing
B. Boring
C. Milling
D. Shaping
Answers: D. Shaping
