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Quiz: Can You Answer These 7 Aircraft Systems Questions?

How well do you know aircraft systems?


  1. 1) You pitch up in an airplane that has a balance tab on its elevator. Which way does the tab move?

    A balance tab moves in the opposite direction of the elevator, making control loads lighter.

    A balance tab moves in the opposite direction of the elevator, making control loads lighter.

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  2. 2) What is the purpose of differential ailerons?
    davedehetre

    Differential ailerons move up more than they move down, which helps prevent adverse yaw.

    Differential ailerons move up more than they move down, which helps prevent adverse yaw.

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  3. 3) You're flying a Piper Cherokee. If your alternator fails in cruise flight, will your engine continue running?
    Drewski2112

    The ignition system is run by magnetos, which are completely separate from your alternator. 

    The ignition system is run by magnetos, which are completely separate from your alternator. 

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  4. 4) What are these things on top of the wing?
    Armchair Aviator

    These are vortex generators, and they help pull high energy air into the boundary layer.

    These are vortex generators, and they help pull high energy air into the boundary layer.

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  5. 5) You're preflighting a Cessna 172 and you see this hole on the side of the cowl. What is it?
    Bin im Garten

    This is a static port, used for instruments like your altimeter, VSI, and airspeed indicator.

    This is a static port, used for instruments like your altimeter, VSI, and airspeed indicator.

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  6. 6) What changes the prop's pitch on this constant speed propeller hub?
    MKFI

    The prop hub is actuated by using oil. By pumping oil into (and out of) the prop hub, the pitch of the propeller changes.

    The prop hub is actuated by using oil. By pumping oil into (and out of) the prop hub, the pitch of the propeller changes.

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  7. 7) What happens to air temperature as it passes through the Venturi of a carburetor?
    Wikipedia

    As air passes through a Venturi, it speeds up, decreases in pressure, and decreases in temperature.

    As air passes through a Venturi, it speeds up, decreases in pressure, and decreases in temperature.

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Hey, not bad...just keep studying your systems.

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You're getting there...

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Your systems knowledge: Expert

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Colin Cutler

Colin is a Boldmethod co-founder, pilot and graphic artist. He's been a flight instructor at the University of North Dakota, an airline pilot on the CRJ-200, and has directed development of numerous commercial and military training systems. You can reach him at colin@boldmethod.com.

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