Week 1 - Aircraft Systems - Engines
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11 Terms
When the air density increases while descending, which is the correct course of action?
Push the mixture control forward, enrich the mixture, to increase fuel flow
As the air thins while ascending, what is the correct course of action?
Pull the mixture control back, lean the mixture, to decrease fuel flow.
Turboprop
Turbine engine driving a propeller
Turbofan
Turbine engine driving a fan (jet look)
Reciprocating engine
Engine powered by pistons moving in cylinders
Compression ratio
Ratio of cylinder volume at BDC vs TDC
Octane rating
fuel’s ability to resist self ignition
Detonation
Uncontrolled, combustive fuel explosion in engine
Pre-igniton
Ignition of mixture before the spark plug fires
Lean Mixture
Less air, more fuel
Rich Mixture
More fuel, less air
Note 
Flashcards (59)