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81 Cards in this Set

  • Front
  • Back

What explosive do we use as the comparison for measuring explosive power?

TNT

What general requirements must material used to manufacture military explosives meet?

Must be cheap, plentiful, and not vital to any other phase of the war

What is the brisance of a military explosive?

The shattering or fragmentation effect

What term describes the tendency of a substance to produce vapors?

Volatility

When a military explosive does not react with the metal that encases it or with another explosive, it is said to have what characteristic?

Compatibility

What is meant by explosive toxicity?

Refers to the poisonous properties of an explosive

What is hygroscopicity?

The moisture absorbing property of an explosive

What is the autocombustuon rate of an explosive?

A few inches per minute to approximately 1,300 ft/sec

What term do we use to describe the tendency of a substance to burn with a rapid and sparkling combustion?

Deflagration

What condition is essential for an explosive to detonate rather than to merely deflagrate?

Confinement

What are the basic components of an explosive train?

Detonator, booster, and bursting charge

What is the relatively small and sensitive initial component that begins the functioning of the explosive train?

Primer

What are the two means by which we can activate a detonator?

Either by a primer or by a non-explosive impulse

What is the purpose of a delay in an explosive train?

It controls the time delay in the functioning of the explosive train

What does an explosive booster do?

It amplifies the detonation received from the detonator

Which effect of a general-purpose bomb does the most damage: blast or fragmentation?

Blast

What effect causes greater penetration of the explosive charge?

The Munroe Effect

What happens when you increase the standoff distance of an explosive?

It would increase the penetrating effect

What are the four factors that control the visibility of pyrotechnics?

Candlepower, color, weather, and light

What type of weather reduces the visibility range of pyrotechnics?

Excessive moisture in the air and rain

How do we classify pyrotechnics?

According to their purpose as illuminants, signals, combinations of signals and illuminants, and simulators

What are the two effects of signals?

Light and smoke

How can you identify pyrotechnic ammunition?

By its nomenclature, lot number, model designation, painting, marking, NSN, or DoD identification number

What is the total burn-time for the AN-MK6 Mod 3 signal?

Approximately 40 minutes

What is the candlepower rating of the AN-MK13 flare?

3,000 candlepower

Which day/night signal is designed to be used with only one hand?

MK124

What is the A/P 25S-5A distress kit designed to do that the A/P 25S-1 is not?

Unlike the A/P 25S-1, the A/P 25S-5A is designed to launch a pyrotechnic signal that will penetrate a heavy foliage canopy and deliver an illuminating display up to a minimum altitude of 700 ft and a maximum of 1,250 ft

What is the candlepower of the M127A1 ground illumination signal?

50,000 candlepower

What are the five main assemblies of the M127A1 ground illumination signal?

Launcher, igniter, delay, parachute, and illuminant composition

What is the M131 signal designed to do?

To produce a distinctive red light above ground fog, haze, or overcast

What safety equipment is required for handling the MK50 Mod 0 flare?

A protective mask and butyl rubber gloves

Which military weapons do we classify as small arms?

Weapons with a bore diameter of .50 inches or less

What terms do we use to describe the measurement of small arms?

"caliber" and "gauge"

Which cartridge is the exception to shotgun gauging?

. 410

What color is the tip of an AP bullet painted?

Black

Ball ammunition is used against what type of target?

Personnel and light material targets

What is the purpose of tracer rounds?

To illuminate a gunners path of the bullets thus helping correct the gunner's aim. It can also be used for incendiary purposes.

What is noncombat ammunition used for?

For testing weapons and for special training

Which type of round do we use for weapons load training?

Dummy rounds

What is a small-arms cartridge?

A complete assembly of all components necessary to fire the weapon once

What causes a bullet to spin?

It's cylindrical shape enables it to engage the rifling and start to spin

What determines the core/filler of a bullet?

It's purpose

What is the term for the recess groove part of the bullet into which the cartridge case is crimped during assembly?

Cannelure

What are the classifications of Air Force grenades?

Service, practice, and training

What can functional hand grenades be used for?

Hand grenades can be placed, thrown, or projected against enemy personnel or equipment to inflict casualties or damage and can also be used for screening and signaling.

What are the tactical classifications of service grenades?

Fragmentation irritant, riot control, screening smoke, signaling smoke, and incendiary

What is the explosive filler for M26-series grenades?

.39 of composition B

Why is the base of the M34 grenade tapered?

So that the grenade can be mounted on a M1A2 grenade projection adapter

What are the uses of the M25-series grenades?

To control riots and disturbances

Which type of grenades are used with the M1A2 grenade projection adapter?

Fragmentation hand grenades

Which type of grenades are used with the M2A1 grenade projection adapter?

Cylindrical, chemical hand grenade

Why must M34 grenades be stored fuze end up?

To avoid possibility of leakage

What are some of the things that you look for in inspecting grenades?

Damage, rust, or poorly marked inner or outer containers

What is the killing agent of the M18A1 antipersonnel mine?

700 steel balls in a fan shaped pattern

What is the effective kill range of the M18A1 mine?

Up to 100 meters

What safety precaution must you observe with the detonation of a claymore mine?

Personnel up to 100 meters to the sides and rear of these mines should take cover for protection

What is the special feature that makes the M14 nondetectable by magnetic mine detectors?

It is practically an all plastic construction

What are the two limitations of 60 mm light mortars?

Shortrange and small explosive charge

What type of mortar can be broken down into several smaller loads for easier carrying?

Medium mortars

What are the tactical classifications of service grenades?

Fragmentation, irritant, riot control, screening smoke, signaling smoke, and incendiary

What are the classifications of Air Force grenades?

Service, practice, and training

What can functional hand grenades be used for?

Can be placed, thrown, or projected against enemy personnel or equipment to inflict casualties of damage


•Can also be used for screening and signaling

What is the explosive filler for M26-series grenades?

.39 of Composition B

Why is the base of the M34 grenade tapered?

So that it can be mounted on a M1A2 grenade projection adapter

What are the uses of the M25-series grenades?

To control riots and disturbances

Which type of grenades are used with the M1A2 grenade projection adapter?

Fragmentation

Which type of grenades are used with the M2A1 grenade projection adapter?

Cylindrical, chemical hand grenade

Why must M34 grenades be stored fuze end up?

To avoid the possibility of leakage

What are some of the things that you look for when inspecting grenades?

Damage, rust, or poorly marked inner or outer containers

What is the killing agent if the M18A1 mine?

700 steel balls in a fan shaped pattern

What is the effective kill range of the M18A1 mine?

Up to 100m

What safety precaution must you observe with the detonation of a claymore mine?

Personnel up to 100m to the sides and rear of these mines should take cover for protection

What is the special feature that makes the M14 nondetectable by magnetic mine detector?

It is practically an all plastic construction

What are the two limitations of 60mm light mortars?

Shortrange and small explosive charge

What type of mortar can be broken down into several smaller loads for easier carrying?

Medium mortars

What is required to move heavy mortars?

Trucks or tracked mortar carriers

What initiation source do we primarily use to detonate high explosives?

Blasting caps

What are two ways in which blasting caps can be fired?

Electrically or non-electrically

What is the purpose of the yellow painted bands covering military safety fuzes?

To facilitate estimates of length for tactical situations

What is the rate of detonation cord?

20,000-21,000 ft/sec

A requiremnt for military explosives is that raw materials must be...

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