2w051 Set B Vol 2 Self Test Questions with complete solutions

What explosive do we use as the comparison for measuring explosive power? CORRECT ANSWERS: TNT What general requirements must material used to manufacture military explosives meet? CORRECT ANSWERS: Must be cheap, plentiful, and not vital to any other phase of the war effort. What is the brisance of a military explosive? CORRECT ANSWERS: The shattering or fragmentation effect What term describes the tendency of a substance to produce vapors? CORRECT ANSWERS: 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? CORRECT ANSWERS: A natural compatibility What is meant by explosive toxicity? CORRECT ANSWERS: An explosive's poisonous characteristics What is hygroscopicity? CORRECT ANSWERS: The moisture-absorbing property of an explosive What is the autocombustion rate of low explosives? CORRECT ANSWERS: A few inches per minute to 1,300 feet per second What term do we use to describe the tendency of a substance to burn with a rapid and sparkling combustion? CORRECT ANSWERS: Deflagration What condition is essential for an explosive to detonate rather than to merely deflagrate? CORRECT ANSWERS: It must be confined What are the basic components of an explosive train? CORRECT ANSWERS: Detonator, booster, and bursting charge. What is the relatively small and sensitive initial component that begins the functioning of the explosive train? CORRECT ANSWERS: Primer. What are the two means by which we can activate a detonator? CORRECT ANSWERS: The action of a primer or by a non-explosive impulse What is the purpose of a delay in an explosive train? CORRECT ANSWERS: A delay controls the timed delay in the functioning of the train