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Sample question
For practice only · not from the expert-reviewed bank
The autopilot ___ the heading for twenty minutes before the crew resumed manual control.
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Sample question
For practice only · not from the expert-reviewed bank
A wind-tunnel report states: "At Reynolds numbers below the transition range, the boundary layer remained laminar over most of the chord, and the measured skin-friction drag was correspondingly lower."
What does the report associate with the laminar boundary layer?
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Sample question
For practice only · not from the expert-reviewed bank
The speed an object needs in order to escape a body's gravitational field without further propulsion is the ___ velocity.
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Sample question
For practice only · not from the expert-reviewed bank
The component of aerodynamic force acting perpendicular to the free-stream direction is called ___.
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Sample question
For practice only · not from the expert-reviewed bank
In a gas-turbine engine, the component that raises the pressure of the incoming air before combustion is the ___.
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Sample question
For practice only · not from the expert-reviewed bank
If the wing area ___ increased, the lift produced at a given speed would also increase.
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Sample question
For practice only · not from the expert-reviewed bank
An engine manual notes: "The nozzle accelerates the exhaust gas, converting available flow energy into directed kinetic energy and so producing thrust."
What function does the manual assign to the nozzle?
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Sample question
For practice only · not from the expert-reviewed bank
A mission summary reads: "Because the spacecraft carried no means of re-ignition, the injection burn had to place it on its final trajectory in a single manoeuvre."
What constraint does the summary describe?
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Sample question
For practice only · not from the expert-reviewed bank
Rotation of an aircraft about its lateral axis is called ___.