Chapters VII, VIII, IX, and X Flashcards
(97 cards)
It is the powder that is used in ammunition in the propulsion of projectile.
Gunpowder
Gunpowder has been replaced by the term ______________ and it is considered the oldest propellant.
propellant
It is a mixture of sulfur, charcoal, and potassium nitrate (saltpeter) with the sulfur and charcoal acting as fuels, while the saltpeter works as an oxidizer.
Gunpowder
He is the unrecognized inventor of gunpowder.
Wu Ching Tsun
He is an English monk and scientist, credited with the invention of gunpowder (blackpowder).
Roger Bacon (1248)
He is a German monk who was credited for the application of gunpowder for propelling missile.
Constantine Anklitzen, also known as Berthold Schwartz (1300)
He invented smokeless gunpowder with nitrocellulose, a single-base propellant called “Poudre B” made from gelatinized guncotton mixed with ether and alcohol.
Paul Marie Eugene Vieille or Paul Vieille (1886)
Paul Marie Eugene Vieille or Paul Vieille (1886) invented smokeless gunpowder with nitrocellulose, a single-base propellant called ____________ made from gelatinized guncotton mixed with ether and alcohol.
“Poudre B”
It is a light volatile flammable liquid. It was passed through rollers to form thin sheets which were cut into flakes of the desired size.
Ether
The propellant today known as ____________ contains less nitrogen than guncotton and less volatile.
pyrocellulose
He developed smokeless gunpowder called “Ballistite,” a double-base propellant.
Alfred E. Nobel (1887)
Alfred E. Nobel (1887) developed smokeless gunpowder called ____________, a double-base propellant.
“Ballistite”
They obtained a patent of modified form of smokeless gunpowder known as “Cordite.” This is another term that is being used for powder charge.
Sir Frederick Abel and James Dewar
Sir Frederick Abel and James Dewar obtained a patent of modified form of smokeless gunpowder known as _________. This is another term that is being used for powder charge.
“Cordite”
Weight of the propellant in a cartridge is expressed in _________ in English speaking countries while countries using metric system expressed the weight of the gunpowder in __________.
“Grains”; “Grams”
This consists of jet black and shiny grains that compose of:
a) Potassium Nitrate (75%);
b) Charcoal (15%); and
c) Sulfur (10%).
Black Powder
This produces small amount of smoke that compose of:
a) Nitrocellulose (60 parts);
b) Nitroglycerine (35 parts); and
c) Vaseline (5 parts).
Smokeless Powder
General Power of Gunpowder
- Long Arms
- Short Arms
These have slow burning gunpowder.
Long Arms
These have fast burning gunpowder.
Short Arms
In this year, the first examination and detection of GSR was done.
1911
In this year, Dr. Gonzalo Iturrioz, a chemist who was the first to use Paraffin Wax to collect propellant residue. Before, it was called “Iturrioz Test” but was popularly called as “Paraffin Test.”
1914
He was a chemist who was the first to use Paraffin Wax to collect propellant residue.
Dr. Gonzalo Iturrioz
Paraffin test was called ___________ before.
“Iturrioz Test”
