Chapter9a

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Author:
Alira03
ID:
163549
Filename:
Chapter9a
Updated:
2012-07-22 22:21:23
Tags:
back book
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Description:
Powerplant
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  1. Five functions of the oil in an engine lubrication system are?
    • Reduce friction
    • Provide cooling
    • seal and cushion
    • protect against corrosion
    • clean
  2. The resistance of an oil to flow is known as its ______.
    Viscosity
  3. Oil that flows freely has a _____ viscosity
    Low
  4. the oil used in reciprocating engines has a relatively ____ viscosity.
    High
  5. The measure of the change in viscosity of oil with a given change in temperature is known as the _____ ____.
    Viscosity Index
  6. An engine lubricating oil whose viscosity changes very little for a given change in temperature has a _____ viscosity index.
    High
  7. The point at which a liquid will begin to give off ignitable vapors is known as the _____ point.
    Flash
  8. Aviation 80 engine oil has the same viscosity as SAE ____.
    40
  9. The use of straight mineral oil in an aircraft reciprocating engine is associated with what conditions?
    • New/Overhauled Engines
    • Older Engines
  10. The lubricating properties of straight mineral oil _____ as good as those of ashless disperant oil
    Is Not
  11. Synthetic lubricating oils are ____ viscosity oils
    Multi-
  12. If incompatible oil has been added to a turbine engine, it is often necessary to ____ and ____ the oil system before refilling with the proper oil.
    Flush, Refill
  13. Turbine engine oils __ ___ use a standard identification system.
    do not
  14. SAE numbers ____ ____ used to identify turbine oils.
    are not

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