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R Notes > Fmt > Flashcards

Fmt Flashcards

1
Q

Parts of gun and mechanism?

A

Stock
Breach
Barrel

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2
Q

Which are the 5 Classifications of bullet?

A

Number of barrel
Loading
Repetitive / single
Action
Inner surface

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3
Q

Study of inner surface of gun is done using??

A

Helixometer

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4
Q

Examples of rifled and smooth gun?

A

Pistol, revolver, military rifle
Shot gun (scatter/pepper)

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5
Q

How rifling improve rifled gun? What about smooth gun?

A

Spin bullet, increase stability, long range and good precision.
Shot- dispersion
Short range and precision

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6
Q

What is chocking of bullet? Grades?

A

Terminal 5-7 cm of smooth bored gun is constricted. To reduce dispersion.
Unchoked
Quarter
Half
Full.

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7
Q

Paradox gun?

A

Smooth bore+ rifled

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8
Q

What is calibre?
Indirect method in smooth bore gun?

A

Distance b/ w opposite lands. Number of spherical ball from 1 pound of lead.

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9
Q

Ammunition in shot gun and rifled gun??

A

Shot gun cartridge :
Primer, gunpowder, WAD, lead shots
wad : separation, lubrication, obturation, piston.
Rifle bullet: cannulare

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10
Q

Brain of cartridge?

A

Primer

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11
Q

3 types of propellent and constituents of each

A

Black gp
Potassium nitrate
Charcoal
Sulphur

Smokeless gp
Nitrocellulose
Nitroglycerin
Nitroguanidine

Semismoke less gp

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12
Q

Types of smokeless gp

A

Single base ( nitrocellulose )
Double “
Tripple “

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13
Q

Components used as primer?

A

BLAST

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14
Q

Types of lead shots

A

Soft, hard, steel
Dust, bird, buck, single

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15
Q

What is tandem cartridge/ duplex cartridge?

A

2 bullets placed back to back in a
cartridge.

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16
Q

Marshal’s triad??

A

Abrasion + contu+lacerations in flying
Missiles ( secondary blast wave injury )

17
Q

Sledged hammer effect

A

Super heated,repelled, expanded air blow b4 the current.

18
Q

Filigree burns

A

Branching pattern
20-30%
Upto 48 hr
Rbc lysis
Not along the bv

19
Q

Metallisation

A
20
Q

Current pearl

A
21
Q

Flash and spark burn

A
22
Q

Ligaments in whiplash injury

A
23
Q

Flexion distraction injury?

A
24
Q

Berlin edema

A

Concussion of retina

R Notes (10 decks)

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