How can we measure the mechanical stability of a lubricant? Give some important properties of explosives. What is the main difference between detonators and propellants? What is the main component...

How can we measure the mechanical stability of a lubricant? Give some important properties of explosives. What is the main difference between detonators and propellants? What is the main component present in the binary explosives? Give some examples. Define rocket propellants and give their classification.