Explosive And Propellents

Question 1

What colour produces red smoke?

Answer 1

Strontium nitrate

Question 2

what are the ingredients of Greek fire?

Answer 2

sulfur, pitch, Naphtha

Question 3

what does Ballisite consist of ?

Answer 3

capmhor, nitro glycerin, nitro cellulose

Question 4

what are the 4 types of of modern smokeless propellants?

Answer 4

single, double triple based and composite

Question 5

What components make up gun cotton?

Answer 5

NC, Nitric Acid and cotton fibers

Question 6

what was added to the picric acid explosives to increase there effectiveness

Answer 6

Tetryl (boer war, yellow mist,)

Question 7

what are the pyrotechnic groups

Answer 7

Illum, smoke, signal, delay, tracer, priming, simulators and pyromechanisms

Question 8

what are the effects of pyrotechniques?

Answer 8

heat, light, smoke, noise

Question 9

what is added to make the colours?

Answer 9

Red - strontium nitrate
yellow - sodium nitrate
White - barium and potassium mixture
blue - copper carbonate
Green - barium nitrate
Orange - calcium nitrate

Question 10

what are the characteristics of primer compositions?

Answer 10

easily ignited
generates high heat
not burn to quickly or violently
produce some solid products of combustion 
be compatible with the mixture used

Question 11

primary explosive defintion

Answer 11

a substance or mixture of substances used to initiate a detonation or a burning reaction

Question 12

what are the types of explosive intiators

Answer 12

detonators and igniters

Question 13

what are the types of intiators

Answer 13

exploding bridge wire,

Question 14

What are the types of initiators?

Answer 14

Stab ignitors
Percussion ignitors
Hot bridge wire ignitors 
Conducting composition  ignitors
Exploding bridge wire ignitors
Pro technique ignitors

Question 15

What are some low explosives

Answer 15

Gunpowder
Pyro
Propellant

Question 16

What are some high explosives

Answer 16

Tetryl
Comp b
RDX
CE

Question 17

What is comp b %

Answer 17

RDX 59.5
Tnt 39.5
Wax 1%

Question 18

What do additives do to high explosives

Answer 18

Decrease sensitivity
Increase maldobility 
Increase sensitivity
Improve stability
Increase blast effect

Question 19

What is a desensitized in high explosives

Answer 19

TNT
WAX
ALLUMINIUM

Question 20

Caps or primiers contain three primary components what are they?

Answer 20

The primery explosice
The oxidiser
The sensitiser

Question 21

What is the purpose of a dark ignitor tracer

Answer 21

To prevent dazzling

To minimise the enemies ability to pin point filter position.

Question 22

What are the design requirements for illumination

Answer 22

Withstand firing forces
Enough luminosity
Burn for correct time

Question 23

What are the ideal properties for smoke

Answer 23

Immediate effect
Unaffected as much as possible by weather 
Persistent
Non anti personal
Non incendiary

Question 24

What are armies smoke requirments

Answer 24

Screening and signalling

Question 25

Definition of ignitor composition

Answer 25

A pyrotechnic composition used to ignite propellant explosive systems giving off hot flames, usually accompanied by sparks and hot gasses for relatively short times.

Question 26

Metals useful in incindery

Answer 26

Magnesium and alluminum

Question 27

Delay definition

Answer 27

A device which provides a time delay for a burning train of inflammable composition between events. A pyro delay between two igniting or exploding events

Question 28

Definition propellants

Answer 28

Propellants are an explosive which by controlled burning provides gas pressure required to give motion to a projectile or missile.

Question 29

What are the types of propellants

Answer 29

Single base Double Triple Composite

Question 30

Advantages of single based propellant

Answer 30

Cooler burning Generates considerable less erosive Ballistics less effected by change in tempreture

Question 31

Advantages of double based propellant

Answer 31

Easily ignited Higher energy rating than single based Higher flame temp Higher burning rate

Question 32

What are the propellant additives

Answer 32

``` Stabilizers plasticisers Coolant surface moderants Surface lubricants Flash inhibitor Decoppering agentsanti Antiwear additives ```

Question 33

What are the main chemicals used as a Dr competing agent

Answer 33

Tin lead Bismuth (not tought)

Question 34

How are the rates of burn controlled

Answer 34

Size shape composition

Question 35

What are the types of burning

Answer 35

Progressive Regressive Neatrual

Question 36

Name the propellant shapes the do a constant burn

Answer 36

Tubular Cogged Star center Slotted tubular

Question 37

What is a carbomite

Answer 37

Plastiser Stabilizer Coolant Moderant