2. Propellants

Question 1

What is the main ingredient of a Single-Base propellant

Answer 1

Nitrocellulose (NC)

Question 2

What are the advantages of a Double-Base propellant?

Answer 2

Easily ignited
Higher energy rating than Single-Base
Higher flame temperature
Higher burning rate

Question 3

Name some of the Additives used in propellants

Answer 3

Stabilisers
Plasticisers
Coolants
Surface Moderants
Surface Lubricants
Flash inhibitors
De-coppering agents
Anti-wear additives

Question 4

What are the propellant shapes which would produce a constant burn rate?

Answer 4

Tubular
Slotted Tubular
Cogged
Star Centre

Question 5

What is the definition of a propellant?

Answer 5

An explosive which, by controlled burning, provides the gas pressure required to give motion to a projectile or missile

Question 6

Categories of Propellants (2)

Answer 6

Liquid 
           - Mono
           - Bi-propellant
Solid
      Collodial
           - Single base
           - double based
           - Triple based
      Composite