MOCK BOARD EXAMINATION IN FORENSIC

BALLISTICS

1. It is the science of the dynamics of flight, behavior, and effects of projectiles, as well as the process of designing,
accelerating, and calculating projectiles in order to achieve desirable outcomes. It also involves the study of the
impact of the different conditions on the motion of the projectile.
a. Forensic Ballistics
b. Trajectory
c. Ballistics
d. Cartography
2. This branch of ballistics centers on the study of the different phenomena that occur while the projectile is still
inside the firearm.
a. External Ballistics
b. Terminal Ballistics
c. Internal Ballistics
d. Forensic Ballistics
3. This branch of ballistics focuses on the motion of the projectiles after it exits the gun's barrel and before it hits
the target. In addition, conditions affecting the motion are taken into consideration.
a. External Ballistics
b. Terminal Ballistics
c. Internal Ballistics
d. Forensic Ballistics
4. This branch of ballistics deals with the study of the impact of the projectile upon hitting the target.
a. Internal Ballistics
b. Forensic Ballistics
c. External Ballistics
d. Terminal Ballistics
5. It is the action of the bullet passing through a rifled bore barrel firearm which is either twisted to the left or to
the right.
a. Direct Motion
b. Rotatory Motion
c. Translational Motion
d. Twist Motion
6. It is the rearward reaction of the firearm in relation to the forward movement of the bullet upon firing.
a. Back Fire
b. Recoil
c. Buck shots
d. Ricochet
7. It pertains to the means of ignition of a propellant charge by the mechanical blow against the primer or
percussion cup.
a. Recoil
b. Percussion action
c. Priming mixture
d. Friction
8. It is the stillness or steadiness of the bullet in its flight until it finally reaches the target.
a. Ricochet
 b. Trajectory
c. Gyroscopic action
d. Range
9. It is the actual pattern or curve path of the bullet in flight.
a. Rifling
b. Gyroscopic action
c. Ricochet
d. Trajectory
10. It is the tumbling of the bullet in its flight and hitting the target sideways as a result of not spinning on its axis.
a. Ricochet
b. Misfire
c. Hang fire
d. Key-hole shot
11. It is the bouncing off or deflection of a bullet from its original trajectory.
a. Hang fire
b. Ricochet
c. Key-hole shot
d. Misfire
12. It is the total failure of the cartridge to discharge may be due to poor ammunition or failure of the firing pin
or primer.
a. Hang fire
b. Back fire
c. Key-hole shot
d. Misfire
13. It is the condition of firing whereby the cartridge took several seconds before it discharges.
a. Hang fire
b. Back fire
c. Key-hole shot
d. Misfire
14. It is the farthest distance in which a bullet, when fired, can still be considered lethal.
a. Maximum range
b. Accurate range
c. Maximum effective range
d. Effective range
15. It is the distance at which the gunner has control of the shot.
a. Maximum range
b. Accurate range
c. Maximum effective range
d. Effective range
16. It is the sound generated at the muzzle point due to sudden escape of burned gun powder and its contact with
air.
a. Muzzle noise
b. Muzzle energy
c. Muzzle blast
d. Muzzle velocity
17. It is the speed of the bullet per unit of time expressed in feet per second.
a. Trajectory
 b. Pressure
c. Air resistance
d. Velocity
18. It refers to the size of the bullet grouping on the target.
a. Terminal penetration
b. Terminal trajectory
c. Terminal accuracy
d. Muzzle blast
19. It refers to the depth of entry of the bullet upon hitting the target.
a. Terminal penetration
b. Terminal trajectory
c. Terminal accuracy
d. Muzzle blast
20. It is the term applied to a weapon in which pressure upon the trigger both cocks and releases the hammer.
a. Repeating weapon
b. Single action
c. Double action
d. Automatic
21. It is the term applied to denote a firearm designed for extra power.
a. Double Action
b. Magnum
c. Automatic
d. Dum-dum
22. It is the part of a firearm in which the cartridge is placed when ready to be fired.
a. Chamber
b. Bolt
c. Magazine
d. Cylinder
23. It is the part of a firearm which houses its internal parts.
a. Chamber
b. Casing
c. Housing
d. Frame
24. It is the part of a firearm which causes the firing pin to hit the primer.
a. Trigger
b. Hammer
c. Finger
d. Sear
25. It pertains to the mechanism of a firearm which withdraws the empty shells from the chamber.
a. Ejector
b. Firing pin
c. Extractor
d. Extractor pin
26. It is a type of ammunition that does not have a bullet, usually used in filmmaking.
a. Dummy
b. Blank
c. Drill
 d. Live
27. These have a flange at the base which is larger than the diameter of the body of the cartridge case.
a. Rimmed
b. Rimless
c. Rebated
d. Belted
28. These have an extractor flange which is less than the diameter of the cartridge case.
a. Rimmed
b. Rimless
c. Rebated
d. Belted
29. These have a pronounced raised belt encircling the base of the cartridge. This belt is for additional strength in
high pressure cartridges.
a. Rimmed
b. Rimless
c. Rebated
d. Belted
30. A jacketed bullet approximately has how many percentages of copper?
a. 90%
b. 70%
c. 60%
d. 40%
31. A jacketed bullet approximately has how many percentages of zinc?
a. 90%
b. 70%
c. 60%
d. 10%
32. It is a marking located on the primer of the cartridge case. It is produced when the firing pin strikes the primer.
a. Firing pin marks
b. Breech face marks
c. Chamber marks
d. Shear marks
33. It is a marking striated on the body of the cartridge case. After the combustion of gunpowder, heated gas is
produced and expanded.
a. Firing pin marks
b. Breech face marks
c. Chamber marks
d. Shear marks
34. These marks are impressed on the primer resulting from the collision between the breech face and cartridge
case after it is pulled back by the heated gas.
a. Firing pin marks
b. Breech face marks
c. Chamber marks
d. Shear marks
35. This mark is found on the base of the cartridge case. It results from the contact between the breech face of the
firearm and the base of the cartridge case.
a. Firing pin marks
 b. Breech face marks
c. Chamber marks
d. Shear marks
36. These are found on the rim of the cartridge case. These are produced during the contact between the rim of
the cartridge case and the ejector.
a. Extractor marks
b. Magazine lips marks
c. Ejector marks
d. None of the above
37. These marks are caused by the tool of the firearm called an extractor. By the time the bolt moves backward,
the cartridge case will also be dragged by the extractor backward.
a. Extractor marks
b. Magazine lips marks
c. Ejector marks
d. None of the above
38. These are markings of two parallel lines on the rim or the body of the empty shell.
a. Extractor marks
b. Magazine lips marks
c. Ejector marks
d. None of the above
39. It is created due to the rust formation and deterioration of the gun barrel caused by frequent usage.
a. Landmarks
b. Groove marks
c. Skid marks
d. Slippage marks
40. The bearing surface and groove contact cause this marking, It can be identified by determining the raised
mark on the bullet.
a. Landmarks
b. Groove marks
c. Skid marks
d. Slippage marks
41. This is caused by the rotating resistance of the bullet as it enters a rifled barrel. After the explosion, the bullet's
motion is directed forward and forms a straight pattern while in the chamber.
a. Landmarks
b. Groove marks
c. Skid marks
d. Slippage marks
42. The bearing surface and land contact cause this marking. It can be identified by determining the depressed
mark on the bullet.
a. Landmarks
b. Groove marks
c. Skid marks
d. Slippage marks
43. It pertains to the depressed portions inside the bore of the barrel.
a. Lands
b. Grooves
c. Caliber
d. Individual Characteristics
44. It pertains to the elevated portions inside the bore of the barrel.
a. Lands
b. Grooves
c. Caliber
d. Individual Characteristics
45. This refers to the diameter of the bore which can be determined by measuring the two opposite lands.
a. Lands
b. Grooves
c. Caliber
d. Individual Characteristics
46. It refers to the characteristics that are peculiar to only one firearm. These are the striations, irregularities and
imperfections on the barrel, chamber, breech face, extractor, ejector, and other gun parts.
a. Lands
b. Grooves
c. Caliber
d. Individual Characteristics
47. It refers to the portion of the bullet's trajectory that drops below the critical zone beyond the point-blank range.
This is the portion where the projectile drops to the ground due to the pull of gravity.
a. Air Resistance
b. Yaw
c. Parabola
d. Back curve
48. It refers to the curved or arc pattern formed in the bullet's trajectory from when the bullet departs from the
firearm's barrel until it reaches the back curve.
a. Air Resistance
b. Yaw
c. Parabola
d. Back curve
49. It refers to the condition in which the bullet deviates from its path during its flight.
a. Air Resistance
b. Yaw
c. Parabola
d. Back curve
50. It refers to the force encountered by the bullet during its flight.
a. Air Resistance
b. Yaw
c. Parabola
d. Back curve
51. It is classified as a hard and has a steel core. It is fired against vehicles and armored targets. Generally used
for Mi4 rifle.
a. Armor Piercing Bullet
b. Tracer Bullet
c. Incendiary Bullet
d. Explosive Bullet
52. This bullet contains compounds, usually barium nitrates, at the base. This allows the emission of lights or
smoke. It is commonly used by aircraft and MI6 rifle.
a. Armor Piercing Bullet
 b. Tracer Bullet
c. Incendiary Bullet
d. Explosive Bullet
53. It contains a mixture, such as phosphorous or other materials, that can be set on fire by impact. These are used
on target that will readily burn, such as aircraft or a gasoline depot.
a. Armor Piercing Bullet
b. Tracer Bullet
c. Incendiary Bullet
d. Explosive Bullet
54. It contains a high charge of explosive. Examples include the Russian 7.62 x5AR machine gun ammunition
with an internal charge of tetryl and phosphorus, and later handgun cartridges containing Pyrodex charges, with
or without mercury additives.
a. Armor Piercing Bullet
b. Tracer Bullet
c. Incendiary Bullet
d. Explosive Bullet
55. It includes all soft bullets, split nose bullets, hollow point bullets and jacketed bullets with exposed lead core.
The expanding effects of these bullets have tremendous damage.
a. Fragmentary Bullet
b. Wadcutter Bullet
c. Silver Tip Bullet
d. Dumdum Bullet
56. It is designed to prevent a premature expansion of the jackets and lead while the bullet penetrates the outer
muscles and bones of the body. As a result, this type of bullet will result in severe and lasting damage to the
victim's body.
a. Fragmentary Bullet
b. Wadcutter Bullet
c. Silver Tip Bullet
d. Dumdum Bullet
57. A cylindrical bullet designed with having a sharp shouldered nose intended to cut target paper clearly to
facilitate easy and accurate scoring. Its accuracy is out the same as a conventional pointed bullet. However, its
accuracy is not as good as a pointed bullet beyond 50 yards.
a. Fragmentary Bullet
b. Wadcutter Bullet
c. Silver Tip Bullet
d. Dumdum Bullet
58. This type of bullet contains a jacket that is designed to break into pieces upon impact on the target. This will
create a devastating wound on the body of the person.
a. Fragmentary Bullet
b. Wadcutter Bullet
c. Silver Tip Bullet
d. Dumdum Bullet
59. It is conducted to determine whether or not the individual characteristics of the evidence and test are similar
a. Test Firing
b. Preliminary Examination
c. Confirmation
d. Conclusion
60. The firearm examiner conducts this activity in the laboratory to obtain sample bullets and cartridge cases from
the evidence firearm. It is done with the use of a bullet recovery box.
a. Test Firing
b. Preliminary Examination
c. Confirmation
d. Conclusion