What is the purpose of the Muffle Jacket?

• A. Insulate
• B. Absorb Sound
• C. Barrier Heat
• D. Conduct Heat

Answer: (B)

Absorbing sound is the purpose. A Muffle Jacket is designed to dampen noise by letting sound waves move into a porous or fibrous layer where the energy is scattered and dissipated, turning some of it into heat. This reduces the sound that escapes the equipment, which is exactly what muffling aims to achieve. Insulating focuses on limiting heat transfer, not quieting, and conducting heat would actually move heat rather than dampen sound, so those options don’t fit the goal of reducing noise.