Criminalistics part 3,2

19問 • 3年前

問題一覧

It is the term used to describe the release of high temperature, high pressure gases expelled from the muzzle of a firearm when it is discharged.

Muzzle Blast

it is the kinetic energy of a bullet as it is expelled from the muzzle of a firearm. It is often used as a rough indication of the destructive potential of a given firearm or load.

Muzzle Energy

It is the path that a moving object follows through space as a function of time. A can be described mathematically either by the geometry of the path, or as the position of the object over time.

Trajectory

It is the speed in a given direction. Speed describes only how fast an object is moving, whereas velocity gives both the speed and direction of the bullet’s motion.

Velocity

The word comes from the Latin gravis, meaning “heavy.” These are objects that have mass pull on each other, and this is called “_________.”

pull of gravity

This refers to the depth of an entry of the bullet on the target. It is a logarithmic function of initial velocity, and decrement in velocity is an exponential function of penetratio

Penetration

it is the forensic process of examining the characteristics of firearms or bullets left behind at a crime scene.

Firearm identification

it is the most common reagent used for this. Examiners can also look for fingerprints on the weapon and cartridges.

Nitric acid (HNO3)

are an instrument used for the propulsion of projection by means of the expansive force of gases coming from burning gunpowder.

Firearms

are those that land and grooves or rifling inside the gun barrel; examples are cannons, mortars, ad bazookas.

rifle-bore firearms

are those types projectiles more than one inch in diameter, and small arms, are those types that propel projectiles less than one inch in diameter, and this type of weapon can be handled, moved and operated by one man.

artillery

it is a type of weapon which fire or is designed to fire, automatically of semi-automatically or more than one shot, without manual reloading by a simple press of the trigger.

Machine guns

those types of firearms that are normally fired from the shoulder; examples are rifles and shotguns.

Shoulder arms

Unusual or Miscellaneous Type are those types that are unique in mechanism and construction, such as homemade firearms, known as “______.

paltik

are defined as the intentional or design characteristics that would be common to a particular group or family of items.

Class characteristics

are marks produced by the random imperfections or irregularities of tool surface of the firearms, and these random imperfections or irregularities are produced incidental to manufacture and/or caused by use, corrosion, or damage.

Individual characteristics

Fingerprint Recovery. Fingerprint recovery from the surface of firearms is done with cyanoacrylate, more commonly known as _________

superglue, or fuming.

are placed in a specially designed fume hood designed to evenly distribute fumes instead of removing them.

Firearms

__________ it is placed in a container and heated until it is in a gaseous state.

Liquid superglue

Lea set A

Christian Jay Santos · 53問 · 3年前

Lea set A