Basic Corrections Officer: Certification Study Guide

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Which of the following is classified as a secondary high explosive?

  1. Lead Styphnate

  2. Mercury Fulminate

  3. RDX

  4. Black Powder

The correct answer is: RDX

RDX, or Research Department Explosive, is classified as a secondary high explosive due to its characteristics and usage. Secondary explosives are typically more stable and require a significant initiation force, such as that provided by a detonator, to detonate. RDX is known for its high sensitivity to initiation and its ability to produce a powerful explosion, making it suitable for military and industrial applications. In contrast, the other substances listed differ in their classifications. Lead Styphnate is primarily used as a primary explosive in detonators, while Mercury Fulminate is also a primary explosive, known for its sensitivity and use in percussion caps. Black Powder, on the other hand, is classified as a low explosive, as it burns rather than detonates, producing much lower velocities compared to high explosives. Understanding the classifications of explosives is crucial for safety and handling in various applications, particularly in a corrections environment where explosive materials may be a concern.