✧ Stage 2 Knowledge Statements Flashcards
When hand propping, a ____ ____ must be at the controls in the cockpit.
Competent Pilot
____ ignition provides for ____ performance and safety
Dual, increased
Carburetors operate based on the difference in ____ between the ____ and the ____ inlet.
Pressure, venturi, air
At higher altitudes, the mixture must be ____ to ____ the fuel flow to compensate for ____ air density.
Leaned, decrease, decreased
A descent to a ____ altitude without adjusting the mixture will cause the mixture to become ____.
Lower, leaner
Carburetor ice is possible when ____ air temperatures are between ____F and ____F with visible ____ or ____ humidity.
Outside, 20, 70, moisture, high
The first indication of carb ice on airplanes with a fixed pitch propeller is a loss of ____ ____.
Engine RPM.
Carburetor heat ____ the fuel/air mixture.
Enriches.
Applying ____ decreases engine performance.
Carburetor Heat.
Applying carburetor heat ____ engine performance.
Decreases.
When carburetor heat is applied to eliminate ice, there will be a further ____ in ____ followed by a gradual ____ in ____ as the ice melts.
Decrease, RPM, increase, RPM
Carburetor-equipped engines are ____ susceptible to icing than fuel-injected engines.
More.
After the engine starts, the ____ should be adjusted for proper RPM and the ____ (especially the oil pressure!) should be ____.
Throttle, gauges, checked
If you are running up your engine at a ____-____ airport, you may eliminate engine roughness by ____ the mixture.
High-altitude, leaning
Detonation is caused by using a ____ octane fuel or excessive engine ____
Lower, temperatures
Detonation occurs when the fuel/air mixture ____ instead of ____ ____
Explodes, burning evenly
During climb, lowering the nose will ____ cooling and ____ engine workload.
Increase, decrease
_____ is the uncontrolled firing of the fuel/air charge in advance of the normal spark.
Pre-ignition
An engine is cooled, in part, by ____ ____ through the system to ____ friction and absorb ____ from internal engine parts.
Circulating oil, reduce, heat
Excessively ____ engine temperature either in the air or on the ground will cause loss of power, excessive oil consumption, and excessive wear on internal engine parts.
High.
Excessively high engine temperature either in the air or on the ground will cause ________, ________, and ________ on internal engine parts.
Loss of power, excessive oil consumption, excessive wear.
If the recommended octane is not available for an airplane, the ______ octane aviation gas should be used. This will prevent the possibility of the engine running _____.
Next highest, too hot.
All ____ and ____ should be drained _____ to make sure there is no water in the fuel system.
Fuel strainer drains, fuel tank sumps, before each flight
In an airplane with fuel pumps, the _____ fuel pump is used for engine _____ or in the event the _____.
Auxiliary, priming, engine-driven pump fails.