1. What is 'O' level maintenance?
    • Organizational
    • O-level maintenance normally consists of inspecting, servicing, lubricating, adjusting, and replacing parts, minor assemblies, and subassemblies.
  2. What is 'I' level maintenance?
    • Interpediate
    • I-level maintenance normally consists of calibration, repair, or replacement of damaged or unserviceable parts, components, or assemblies; the emergency manufacture of unavailable parts; and the provision of technical assistance to using organizations.
  3. What is 'D' level maintenance?
    • Depot
    • D-level maintenance employs more extensive shop facilities, equipment, and personnel of higher technical skill than are available at the lower levels of maintenance. It normally consists of inspection, test, repair, modification, alteration, modernization, conversion, overhaul, reclamation, or rebuilding of parts, assemblies, subassemblies, components, equipment end items, and defense systems; the manufacture of critical unavailable parts; and technical assistance to intermediate maintenance organizations and other activities.
  4. What should temperatures remain between and what humidity should not be exceeded (when possible) should be maintained by 2M standard?
    • 65-80 F
    • 70%
  5. Members are required to wear hearing protection where operations generate sound levels greater than __ for an 8-hour time weighted average.
    84 dB
  6. What is the max PSI and % of moisture allowed in compressed air in a 2M shop?
    • 10 PSI
    • 0.25%
  7. Solder should melt on the tip of a iron between _ and _ seconds.
    2 and 3
  8. What is the tribolectric effect?
    Generation of static electricity by rubbing or separating materials.
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