Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Firearms and Toolmarks > Final > Flashcards

Final Flashcards

1
Q

Who was the first to testify using firearm identification?

A

Goddard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In what landmark case was there evidence tampering?

A

Sacco and Venzetti

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following was the first to resemble modern rifles?

A

Matchlock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What gun was invented in response to the need for lightweight, handheld machine guns?

A

Browning Automatic Rifle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following guns used the same cartridge as the Winchester rifle?

A

Colt Peacemaker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the first known source of gross metal casting?

A

Sand molds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What type of fine forming leaves a concentric circle?

A

Turning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which potential issue in test firing is caused by limp wristing?
When the cartridge fails to eject after firing?

A

Stovepipe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which breechface pattern in usually associated with Glock?

A

Parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is both a pinching and a gripping tool?

A

Lineman’s pliers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What type of visual analysis is associated with combinations of gas and smoke?

A

Carabonaceous material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the following is used for magnetic surfaces in serial number restoration?

A

(Name) reagent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What type of obliteration is created by a round edge hit into the metal?

A

Hammer peening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Which rifle was the U.S. response to the Mauser rifle in the Spanish-American war?

A

Krag rifle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which was the first person to create a database of firearms?

A

Charles E. Waite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which firearm mechanism used a nitrate soaked cord lit on fire to ignite the primer?

A

Matchlock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Who wrote the first documentation that firearms leave individual marks?

A

Victor Balthazard

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

When producing cartridge cases the ____ stage adds height to the cartridge case.

A

Drawing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which stage in the cycle of fire doesn’t leave any marks?

A

Extraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Which is a passive safety?

A

Hammer block

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What occurs after the obturation?

A

Unlock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Firing pin shape is not found on centerfire?

A

Rectangular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

1st magazine fed rifle

A

Henry Rifle: tube magazine (lever action, breech loading)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

How did the Winchester 1866 rifle correct the Henry rifle?

A

Winchester had a loading port and wood forestock, Henry had an easily jammed tube and made of iron (hot to hold)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Winchester 1873

A

centerfire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Colt Peacemaker

A

45 cal, same cartridge as Winchester rifle

27
Q

first bolt action rifle, first true magazine (not tube) fed rifle

A

Mauser Rifle 1888, had stripper clip

28
Q

Springfield rifle

A

almost identical to Mauser, with stripper clip, 30 cal, invented 1903

29
Q

Browning 1911

A

originally 38, then 45, manufactured by Colt

30
Q

1918, response to need for lightweight, handheld machine guns, trench warfare, Korean War and WWII

A

Browning Automatic Rifle (BAR)

31
Q

Tommy Gun

A

1919: shot 45 auto instead of rifle

32
Q

M1-Garand

A

1919-1932, semiauto, accurate + high rate of fire

33
Q

1941, close combat rifle, small cartridge

A

M1 Carbine

34
Q

MP44

A

1941, German response to M1 Carbine, 7.62X39 mm, first “assault rifle” via Hitler

35
Q

AK 47

A

Russian, 7.62x39 mm, invented by Kalashnikov

36
Q

1962, American assault rifle invented by Stoner, 5.56x45 mm, first to utilize plastics/polymers

A

M16

37
Q

Mauser rifle

A

stripper clip, box magazine

38
Q

Purposes of annealing

A

Refining the grain, Improving electrical and magnetic properties, Inducing softness, improve machinability

39
Q

most semiautomatic pistols are ___ and ____

A

Blowback, short recoil

40
Q

CNC

A

Computerized numerical control

41
Q

Safety found on all pistols (?)

A

Slide disconnect

42
Q

Chamber marks are most commonly found on ____

A

Small caliber bullets

43
Q

Welding

A

Cannot usually restore SN

44
Q

Brownsville 1906

A

Nixon overturns case because cartridges brought to police by citizens identified to a Krag or Springfield rifle. Conspiracy of silence.

45
Q

Phelps/Wolcott 1915

A

Charlie Stielow, neighbor, lied about having a 22. Dr. Hamilton examines cases, Stielow put on death row, King and O’Connell confess to the murders, faulty firearms testimony. Class characterstics didn’t match.

46
Q

Sacco/Vanzetti 1920

A

Were executed in 1927 for death of 2 guards and $15,000. Hamilton says bullets don’t match, Charles says they do.

47
Q

EDM

A

Electrical discharge machining

48
Q

St. Valentine’s Day Massacre

A

Goddard able to eliminate every cop’s gone. Al Capone responsible.

49
Q

Constable Gutteridge 1927

A

fired CC found in stolen vehicle ID’d to firearm found on Kennedy/Browne.

50
Q

lead/barium nitrate

A

The oxidizer

51
Q

Ground borosilicate glass

A

adds friction, increases sensitivity

52
Q

gum arabic/gum tragacanth

A

the binder

53
Q

Sidewall thickness

A

CF thinner than RF

54
Q

trimming

A

Cutting to correct dimensions, determines height, but not necessarily end height

55
Q

Mouth annealing

A

CF

56
Q

Relief annealing

A

RF

57
Q

Annealing, pickling, washing

A

Done twice for RF

58
Q

spinner bit

A

Needed in rimfire priming mixture

59
Q

CF primer

A

Primer mix + foil disc + shellac and alcohol (to seal) + anvil (for fp to strike)

60
Q

Primer seated too low

A

Primer may not ignite

61
Q

Primer seated too high

A

Powder may not ignite, CC may bulge

62
Q

Knurled cannelure

A

Found on revolver/rifle bullets b/c lubricant.

63
Q

Crimped cannelure

A

On cartridge case to keep it all together.

Firearms and Toolmarks (1 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions