M15 Gas Turbine Engine Sub-Module No 9 (Quiz :1)

Lubricants and Fuels

Quiz

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1. Gas turbine engine oil must have a…………. For good load-carrying ability ?
   1.   Normal viscosity
   2.   High viscosity
   3.   Low viscosity
2. Oil analysis programs identify and measure wear metals in………... By weight ?
   1.   Parts per milligram (pgm)
   2.   Parts per millimeter (ppm)
   3.   Parts per million (ppm)
3. Diethylene glycol solutions that works in a fuel as ?
   1.   Antifreeze
   2.   Add freeze
   3.   Antimicrobe
4. Jet fuel Color is ------ ?
   1.   Red
   2.   Pink
   3.   Colorless
5. This is a blend of jet a and gasoline, has higher volatility with a vapor pressure between 2 and 3 psi ?
   1.   Jet c
   2.   Jet 8
   3.   Jet b
6. It is desirable to use a fuel that is………..In volatility to resist vapor lock and evaporation ?
   1.   Low
   2.   High
   3.   No effect
7. Turbine engine fuels typically have a ……... Sulfur content than gasoline ?
   1.   Lower
   2.   Higher
   3.   Same
8. Viscosity and temperature relationship is ?
   1.   Directly proportional
   2.   Inversely proportional
   3.   Constant proportional
9. Dynamic viscosity also termed as ?
   1.   Absolute viscosity
   2.   Absolute density
   3.   Absolute temperature
10. Mil-l-7808, which is a military specification for turbine oil, was ……...Turbine oil ?
    1.   Type III
    2.   Type II
    3.   Type I