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Blk 1 Final 1
Study Questions
Question | Answer |
---|---|
Name the four forces which act upon an aircraft in flight. | Weight, Lift, Thrust and Drag |
The curvature of the wing is called the | Camber |
The three axis of rotation of an aircraft are | Longitudinal, Lateral, and Vertical |
In a rotor system the blades that are attached to the hub with multiple hinges are called | Fully articulated |
What type of material is used to cover a truss frame | Fabric |
Energy is defined as something that gives us the capacity to perform what | Work |
Rate of change of velocity is defined as | Acceleration |
How many foot pounds of work per second equals 1 horsepower | 550 |
Boyles Law and Charles Law form what Law | General Gas Law |
What is the procedure in the event an aircraft weight and balance record is lost or destroyed. | Reweigh aircraft and create new weight and balance record |
Standard pressure at sea level is | 29.92 hg or 14.7 psi |
Moisture in the air is called | humidity |
If the angle of attack becomes to great, the airflow can separate from the wing. This is called a | Stall |
Flight controls that move the aircraft around its axis are | Ailerons, Elevators and Rudder |
If one wing is lower than the other good _________ stability will bring the wings back to level | Dynamic |
Four different types of flaps are | Plain, Split, Slotted and Fowler |
Airplane faster that Mach 5 is said to be in what type of flight | hypersonic |
The three classifications of main rotor systems are | fully articulated, semi-rigid, and rigid |
Five major stresses to which all aircraft are subjected to are | tension, compression, torsion, shear and bending |
What is the main structure or body of and aircraft called | fuselage |
What does the Law of Conservation state | matter cannot be created or destroyed, but can change its physical shape |
Where is the fulcrum located on a first class lever | between the effort and the resistance |
Force that pulls a spinning object away from the center of rotation is called a _________ force | Centrifugal |
Energy defined as being in motion is what type of energy | Kinetic |
Most common example of a second class lever is | Wheelbarrow |