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12 Cards in this Set
- Front
- Back
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What is a BTU?
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British Thermal Unit. Measure of energy. 1 BTU = 1Lb of water to 1°C.
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What is Volatility?
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Vapour forming characteristics of the fuel.
Volatile means will evaporate easily. |
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What is 100/130 Octane?
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100 - Lean
130 - Rich |
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What is vapour locking and what reduces it?
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When fuel vapourises before reaching the carbeurator causing bubbles to form in the fuel lines. The booster pump is designed to reduce this.
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What are the 3 causes of vapour lock?
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High Altitude,
Turbulence and sloshing in tanks, Bends in fuel Lines. |
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Fuel grades above 100 are known as what instead of octane ratings?
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Performance Ratings.
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What colour is AVGAS and JETA1
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AVGAS is Green,
JETA1 is Clear/Straw |
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Should you ever use a lower octane rating?
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NO
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What are the three types of fuel tanks?
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Intergral,
Bladder, Rigid. |
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What is CrossFeed and CrossFlow?
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Crossfeed is fuel tank to engine,
Crossflow is fuel tank to fuel tank. |
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What position must the primer be at when the engine is running?
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LOCKED
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What is a Boost (Auxilary) Pump?
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Supplies extra fuel when:
Emergency situations arise, Purge fuel lines of vapour locks, Provide fuel under pressure, Prime the cylinders. |
