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BALLISTICS > FINALS > Flashcards

FINALS Flashcards

1
Q

Small container or wafer of explosives material used to ignite the gunpowder

A

Primer

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2
Q

Ignition or detonation reaction

A

Percussion

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3
Q

Composition of priming mixture

A

Potassium chlorate
Antimony sulfite
Fulminate mercury

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4
Q

2 types of primers

A

Small primer - caliber 38,40 9mm
Large Primer - cal 45

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5
Q

The first to conceive an idea of using detonating compound

Father of percussion

A

Alexander John Forsyth

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6
Q

1 vent invented by col edward m boxer

A

Boxer primer

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7
Q

2 vent invented by col hiram berdan

A

Berdan primer

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8
Q

3 vent

A

Berdan boxer primer

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9
Q

Early primers

A

Corrosive

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10
Q

Used at present

A

Non-corrosive

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11
Q

Priming mixture is crush by blow from the firing pin

A

Anvil

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12
Q

Highly sensitive mixture of chemical compounds contained in the primer cup

A

Priming mixture

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13
Q

Piece of small paper or disk of tun foil

A

Disc

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14
Q

Container of the anvil, dicsk and priming mixture

A

Primer cup

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15
Q

Set off with a sharp blow

A

Initiator

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16
Q

Gives up its oxygen

A

Oxidizer

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17
Q

Burns the gunpowder in a very high rate

A

Fuel

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18
Q

In order to fire, the gunpowder need to be ignited

A

Igniting the propellant

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19
Q

Earliest fa that used closed tubes

A

Cannons

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20
Q

Small aperture drilled

A

Touchhole

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21
Q

Around the rim

A

Rimfire

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22
Q

External pin

A

Pinfire

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23
Q

Combi of rim and pinfire

A

Peripheral primer

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24
Q

Loc at the center

A

Centerfire

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25
Q

No rim. With a small teat

A

Teat-fire

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26
Q

Used by larger military gun

A

Electric-primmed

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27
Q

Powder charge, propellant, saltpeter, cordite

A

Gunpowder

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28
Q

Powder that is used in ammunition in the propulsion of projectiles

A

Gunpowder

29
Q

A gunpowder in the 19th century

A

Black powder

30
Q

First known chemical explosive

A

Black powder

31
Q

Unrecognized inventor of gunpowder

A

Wu ching tsun

32
Q

English monk and scientist

A

Roger bacon

33
Q

German monk

A

Constantine anklitzen

34
Q

Invented smokeless gunpowder

A

Paul vielle

35
Q

Single basr propellant which was called

A

Poudre b

36
Q

Developed smokeless gunpowder - ballistics

A

Alfred E Nobel

37
Q

Obtained a patent of modifying smokeless gunpowder - cordite

A

Frederick Abel & James Dewar

38
Q

Consists of jet black and shiny grains

A

Black Powder

39
Q

Produces small amount of smoke

A

Smokeless Powder

40
Q

Principal ingredient of smokeless powder

A

Guncotton

41
Q

Slow burning

A

Long arms

42
Q

Fast burning

A

Short arms

43
Q

1st examination and detection of gsr

A

1911

44
Q

Dr. Iturriz, 1st to use paraffin wax to collect gsr

A

1914

45
Q

Theodoro Gonzales performed a modified version of the iturriuz test using molten paraffin wax

A

1931

46
Q

Positive result of paraffin wax

A

Blue color or blue specks

47
Q

As stated by edmond locard. When 2 objects come into contact, exchange of materials take place

A

Locard’s Principle

48
Q

Most common trace evidence

A

Hands

49
Q

Gunpowder residues that exists on all openings of FA after discharge

A

Plumes

50
Q

Use of cotton with 5% nitric acids sol

A

Cotton swabs

51
Q

Used for scanning electron microscope

A

Adhesive stubs

52
Q

NAA

A

Neutron Activation Analysis

53
Q

ICP-MSP

A

Inductively Coupled Plasma - Mass Spectroscopy Plasma

54
Q

GFAAS

A

Graphite Furnace Atomic Absorption Spectroscopy

55
Q

Detects the presence of nitrate and nitrite

A

Diphenylamine Test

56
Q

Detects presence of lead styphnate

A

Sodium Rhodizonate Test

57
Q

Detects presence of nitrate in unburned or partially burned gunpowder

A

Walker Test

58
Q

Detects nitrites

A

Greiss Test

59
Q

Both detects nitrate and nitrite

A

Marshall and Tiwari Test

60
Q

Chemical used to indicate the presence of nitrocellulose

A

Lunge Reagent

61
Q

Unlawful manufacture etc

A

RA 8294 Sec 3

62
Q

Prison mayor to reclusion perpetua and a fine of 50,000

A

Penalty

63
Q

Propellant for guns. Undergo deflagration

A

Low Explosives

64
Q

Double-base powder. Undergo detonation

A

High explosives

65
Q

Extremely sensitive

A

Primary explosive

66
Q

Insensitive to shock

A

Secondary explosive

67
Q

Blasting agents

A

Tertiary Explosive

68
Q

Gunshot shells

A

Battery cup type

69
Q

Father of the percussion ignition

A

Alexander John Forsyth

BALLISTICS (2 decks)

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