← All CLS Flashcard Decks

CLS Lubricant Storage, Handling & Contamination Control Flashcards

6 cards from real CLS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 CLS Lubricant Storage, Handling & Contamination Control flashcards as text
  1. What is the recommended maximum storage temperature for most mineral-based lubricants to prevent accelerated oxidation?

    Answer: Below 40°C (104°F)

    Storing lubricants below 40°C prevents thermal stress that accelerates oxidation and additive degradation in storage.

  2. The best practice for outdoor drum storage is to position horizontal drums with the bungs at which orientation?

    Answer: 3 o'clock and 9 o'clock (horizontal, side bungs submerged)

    Positioning bungs at the 3 and 9 o'clock positions keeps them submerged in oil, preventing moisture ingress through the seals during temperature cycling.

  3. Which contamination control device is recommended on lubricant storage tank vent lines to prevent particulate and moisture ingress?

    Answer: Desiccant breather

    Desiccant breathers filter particulates and absorb moisture from air entering storage tanks during thermal breathing cycles.

  4. What is the primary reason dedicated, color-coded dispensing equipment is recommended in lubrication programs?

    Answer: To prevent cross-contamination between different lubricant types

    Color-coded equipment ensures each lubricant has dedicated dispensing tools, preventing inadvertent mixing of incompatible products.

  5. According to best lubrication practices, what is the maximum recommended shelf life for a lithium complex grease stored under ideal conditions?

    Answer: 2 years

    Most lubricating greases, including lithium complex, have a recommended shelf life of approximately 2 years when stored correctly.

  6. The 'first-in, first-out' (FIFO) inventory practice in lubricant storage rooms is primarily intended to:

    Answer: Prevent using expired or degraded lubricants

    FIFO ensures that lubricants with the earliest purchase or fill dates are used first, preventing inventory from exceeding shelf life.