ballistics

Question 1

ballistics

Answer 1

the scientific study of a projectile in flight

Question 2

4 areas of ballistics

Answer 2

interior ballistics
exterior ballistics
terminal ballistics
wound ballistics

Question 3

interior ballistics -

Answer 3

study of projectiles in weapons

Question 4

external ballistics

Answer 4

study of projectiles in the air

Question 5

terminal ballistics

Answer 5

study of projectile penetration of solids

Question 6

wound ballistics

Answer 6

study of projectile penetration of tissues

Question 7

wounding effect

Answer 7

produced by transfer of kinetic energy from the projectile to the tissues

Question 8

what increases if the kinetic energy increases

Answer 8

wounding potential

Question 9

firearm

Answer 9

a lethal barrelled weapon of any description from which any shot, bullet or other missile can be discharged

Question 10

role of a firearm

Answer 10

discharge a projectile with sufficient energy to kill
ensure the projectile travels in the required direction
ensure that a bullet, as distinct from shotgun pellets, arrives at its target nose first

Question 11

small arms

Answer 11

include explosive-operated small arms of every description, adapted for the discharge of shot, bullet or other projectile

Question 12

examples of small arms

Answer 12

shotguns
rifles
pistols
revolvers
cattle killers

Question 13

proof of shotguns and small arms

Answer 13

the compulsory and statutory testing of every new shotgun or other small arm before sale, to ensure so far as it is practicable, its safety in the hands of the user

Question 14

reproof of shotguns

Answer 14

the similar testing of a small arm which has previously been proved

Question 15

proof acts

Answer 15

lay down that no small arm may be sold, exchanged or exported, exposed or kept for sale/exchange until it has been proved and duly marked
maximum penalty of 1k for each offence

Question 16

aummunition

Answer 16

what is or may be fired from a gun
comprises the cartridge case, primer, propellant & bullet

Question 17

bullet

Answer 17

the part of the ammunition that is projected from the firearm

Question 18

cartridge

Answer 18

metal or plastic casing which contains the primer and propellant, and forms a gas tight seal with the bullet

Question 19

propellant

Answer 19

a compound such as nitrocellulose, which will burn explosively to produce a large volume of gas within the cartridge

Question 20

rim

Answer 20

extraction feature
contains headstamp - details of calibre & manufacturer

Question 21

primer

Answer 21

mixture of compounds that explode when compressed, igniting the propellant

Question 22

what is involved in firearm analysis

Answer 22

evidence recovery at the crime scene
trace evidence recovery from clothing, hands etc
ballistics

Question 23

firearm identification

Answer 23

any discipline of forensic science which has its primary concern to determine if a
bullet
cartridge case / other ammunition component
was discharged by a particular firearm

Question 24

forensic evidence on a semi-automatic pistol

Answer 24

firing pin mark
rifling marks
gsr
gun oil traces
dna
fingerprints

Question 25

headstamps

Answer 25

a series of letters, numbers, symbols and trade names

Question 26

rifling

Answer 26

extending the barrel to increase stability of the trajectory to improve range and accuracy

Question 27

purpose of the choke

Answer 27

condenses the shot as it comes out of the barrel, allowing a tighter pattern of shot to travel a longer distance

Question 28

what is determined from bullets from a crime scene?

Answer 28

calibre individual characteristics

Question 29

what can be identified on a bullet under a microscope?

Answer 29

rifling impression striations number of striations and their spacing can identify the manufacturer

Question 30

NABIS

Answer 30

national ballistics intelligence service

Question 31

IBIS

Answer 31

integrated ballistics identification system

Question 32

IBIN

Answer 32

Interpol ballistic information network

Question 33

FDR/GSR analysis

Answer 33

smoke from the combustion of the gunpowder surrounds the hand of the shooter composed of organic (propellant) and inorganic (bullet / primer )