MOCK EXAM: Aerodynamics Welcome, You are about to take up the MOCK EXAM: Aerodynamics. Please take note of the following before you take the assessment. This assessment is timed for 120 Mins and auto submit. Scores and correct answer will be displayed after taking up the assessment. You can only take the assessment twice so make sure you have a strong internet connection. All questions are required to have an answer. This assessment is composed of 30 items multiple choice type of question. Always remember: THINK, CHECK AND SUBMIT. If you have any concern, please feel free to contact us. E-mail Address: assessment@flightwingsaviation.com Facebook Page: www.facebook.com/flightwingsaviation GOODLUCK! Email Adress LMS USERNAME FULL NAME CLASS SECTION/SCHEDULE (FRI-AM, FRI-PM, SAT-AM, SAT-PM, SUN-AM, SUN-PM, ONLINE) 1. Yaw is defined as the movement of the longitudinal axis about which axis? A. LateralB. LongitudinalC. VerticalD. Horizon A B C D 2. Aerodynamic forces and moments exerted on a body moving through a fluid stem from two sources: A. Pressure distribution and Shear stress distributionB. Lift and Drag DistributionC. Thrust and weight DistributionD. Thermal and Age distribution A B C D 3. The net aerodynamic forces can be resolved into what two component forces? A. Lift and dragB. Weight and dragC. Thrust and dragD. Dynamic and static pressure A B C D 4. What must you do to remain in formation as your aircraft takes on fuel (increasing weight) from the tanker that is maintaining a constant altitude and true airspeed? A. Maintain a constant AOA and TASB. Decrease AOA and increase TASC. Increase AOA and maintain constant TASD. Increase AOA and TAS A B C D 5. High density altitude will: A. Decrease the power produced by an engine and increase the thrust produced by the propeller or jetB. Increase the power produced by an engine and increase the thrust produced by the propeller or jetC. Decrease the power produced by an engine and decrease the thrust produced by a propeller or jetD. Increase the power produced by an engine and decrease the thrust produced by the propeller or jet A B C D 6. All motion or changes in aircraft attitude occurs about which position? A. Aerodynamic centerB. Center of pressureC. Center of gravityD. The cockpit A B C D 7. For a given altitude, what are the properties of the input provided by the static pressure port in the pitot-static system? A. The static pressure value will vary with changes in aircraft true airspeed (TAS)B. The static pressure value will vary with changes in aircraft angle of attack (AOA)C. The static pressure value will vary with changes in aircraft weight D. The static pressure value will vary with changes in atmospheric ambient static pressure and altitude A B C D 8. Two planes leave manila for southern city, a distance of 900 km. plane A travels at a ground speed of 90 kph faster than the plane B. Plane A arrives in their destination 2 hours and 15 minutes ahead of plane B. what is the ground speed of plane A? A. 205 KPHB. 315 KPHC. 240 KPHD. 287 KPH A B C D 9. When the value on the aircraft indicated airspeed (IAS) indicator equal the aircraft true airspeed (TAS) A. When static pressure at aircraft altitude is less than static pressure at sea level, on a standard dayB. When static pressure at aircraft altitude is greater than static pressure at aircraft sea level, on a standard dayC. When static pressure at aircraft altitude equals static pressure at sea level, on a standard dayD. When static pressure at aircraft altitude equals density at sea level, on standard sea level A B C D 10. An aircraft is climbing at a constant 350 KIAS. What change occurs in Mach number as altitude increases? A. Mach number increasesB. Mach number decreases C. Mach number remains constantD. There is no Mach number at this speed A B C D 11. Due to friction along the connections of engine components such as gears, lobes, shafts and any mechanical transmission would tend to A. Reduce the power being transmittedB. Increase the power being transmittedC. Multiply the power being transmittedD. Nothing happen to the power being transmitted A B C D 12. Minimum Thrust Required is achieved when A. Max Aerodynamic EfficiencyB. Min Aerodynamic EfficiencyC. Minimum Power RequiredD. Maximum Power Available A B C D 13. The altitude at which the max R/C = 100 ft/min is the A. Service ceilingB. Landing runC. Take-off runD. Absolute ceiling A B C D 14. In order to ensure a margin of safety during take-off, the lift-off velocity is typically ___ higher than the stalling velocity A. 20%B. 25%C. 30%D. 35% A B C D 15. For the maneuvering performance of airplanes, it is advantageous to have the smallest r and the smallest ω obtainable by A. Have the highest Load factor and The lowest possible velocityB. Have the lowest Load factor and The highest possible velocityC. Have the highest Load factor and The highest possible velocityD. Have the lowest Load factor and The lowest possible velocity A B C D 16. A. Range of a reciprocating engine powered airplaneB. Endurance of a reciprocating engine powered airplaneC. Range of a jet engine powered airplaneD. Endurance of a jet engine powered airplane A B C D 17. The speed of sound: A. Is dependent upon the True Air Speed and the Mach number of the aircraftB. Is inversely proportional to the absolute temperatureC. Is proportional to the square root of the absolute temperature of the airD. Is directly proportional to the True Air Speed of the aircraft A B C D 18. Lift on a wing is most properly defined as the: A. Differential pressure acting perpendicular to the chord of the wingB. Force acting perpendicular to the relative windC. Reduced pressure resulting from a laminar flow over the upper camber of an airfoil,which acts perpendicular to the mean camberD. Force acting parallel with the relative wind and in the opposite direction A B C D 19. If the same angle of attack is maintained in ground effect as when out of ground effect, lift will: A. Increase, and induced drag will increaseB. Increase, and induced drag will decreaseC. Decrease, and induced drag will increaseD. Decrease, and induced drag will decrease A B C D 20. At higher elevation airports the pilot should know that indicated airspeed: A. Will be unchanged, but ground speed will be fasterB. Will be higher, but ground speed will be unchangedC. Should be increased to compensate for the thinner airD. Should be higher to obtain a higher landing speed A B C D 21. On a wing, the force of lift acts perpendicular to, and the force of drag acts parallel to the: A. Camber lineB. Longitudinal axisC. Chord lineD. Flight path A B C D 22. An airfoil section is designed to produced lift resulting from a difference in the: A. Negative air pressure below and a vacuum above the surfaceB. Vacuum below the surface and greater air pressure above the surfaceC. Higher air pressure below the surface and lower air pressure above the surfaceD. Higher air pressure at the leading edge than at the trailing edge A B C D 23. When the angle of attack of a symmetrical airfoil is increased, the center of pressure will: A. Have very limited movementB. Move aft along the airfoil surfaceC. Remain unaffectedD. Move forward to the leading edge A B C D 24. Why does increasing speed also increase lift? A. The increased impact of the relative wind on an airfoils lower surface creates a greateramount of air being deflected downwardB. The increased speed of the air passing over an airfoils upper surface decrease the staticpressure, thus creating a greater pressure differential between the upper and lowersurfaceC. The increased velocity of the relative wind overcomes the increased dragD. Increasing speed decreases drag A B C D 25. The point on an airfoil section through which lift acts is the: A. midpoint of the chordB. center of gravityC. center of pressureD. Aerodynamic center A B C D 26. A line drawn from the leading edge to the trailing edge of an airfoil section and equidistant at all points from the upper and lower contours s called the: A. Chord lineB. CamberC. Mean camber lineD. Longitudinal axis A B C D 27. When considering an airfoil section at a constant angle of attack, which of the following statements is true: A. If the static pressure on one side is reduced more than on the other side, a pressuredifferential will exist.B. If dynamic pressure is increased, the pressure differential will decreaseC. The pressure differential will increase if the dynamic pressure is decreasedD. Dynamic pressure and pressure differential are not related A B C D 28. At zero angle of attack, the pressure along the upper surface of a symmetrical airfoil section would be: A. Greater than atmospheric pressureB. Equal to atmospheric pressureC. Less than atmospheric pressureD. Non existent A B C D 29. What is the effect on total drag of an aircraft if the airspeed decreases in level flight below that speed for maximum L/D? A. Drag increases because of increased induced dragB. Drag decreased because of lower induced dragC. Drag decreases because of increased parasite dragD. Drag decreases because of lower parasite drag A B C D 30. By changing the angle of attack of a wing, the pilot can control the airplane’s: A. Lift and airspeed, but not dragB. Lift, gross weight, and dragC. Lift, airspeed, and dragD. Lift and drag, but not airspeed A B C D 1 out of 3