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If the grade of fuel used in an aircraft engine is lower than specified for the engine, it will most likely cause...
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Detonation. Boom, baby. It could also cause loss of power, excessive heat, burned spark plugs, burned and sticky valves, and high oil consumption.
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Detonation may occur at high power settings when...
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The fuel mixture ignites instantaneously instead of burning progressively and evenly.
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Detonation occurs in a reciprocating aircraft engine when...
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The unburned charge in the cylinder explodes instead of burning normally.
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The uncontrolled firing of the fuel/air charge in advance of normal spark ignition is known as...
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Pre-ignition.
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What type of fuel can be substituted for an aircraft if the recommended octane is not available?
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The next higher octane aviation gas. But this not desirable.
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Filling the fuel tanks after the last flight of the day is considered a good operation procedure because this will...
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Prevent moisture condensation by eliminating airspace in the tanks.
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The properly purge water from the fuel system of an aircraft equipped with fuel tank sumps and a fuel strainer quick drain, it is necessary to drain fuel from the...
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Fuel strainer drain and fuel tank sumps.
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