Basic Helicopter Design and Aircraft Structures Assessment Welcome, You are about to take up the Basic Helicopter Design and Aircraft Structures Assessment. Please take note of the following before you take the assessment. This assessment is timed for 60 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 15 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. It is the surface of the propeller blade that corresponds to the lower surface of an airfoil or flat side A. Blade BackB. Blade FaceC. Leading EdgeD. Mean Camber A B C D 2. It is the curved surface of the airfoil. A. Blade BackB. Blade FaceC. Leading EdgeD. Mean Camber A B C D 3. It is formed between the face of an element and the plane of rotation. The blade angle throughout the length of the blade is not the same. A. Blade BackB. Blade FaceC. Blade AngleD. Angle of Attack A B C D 4. It is the angle at which this air (relative wind) strikes the propeller blade A. Blade BackB. Blade FaceC. Blade AngleD. Angle of Attack A B C D 5. It is a physical force that tends to throw the rotating propeller blades away from the hub. A. Centrifugal forceB. Torque bending forceC. Thrust bending forceD. Aerodynamic twisting force A B C D 6. It is in the form of air resistance, tends to bend the propeller blades in the direction opposite that of rotation. A. Centrifugal forceB. Torque bending forceC. Thrust bending forceD. Aerodynamic twisting force A B C D 7. It is the thrust load that tends to bend propeller blades forward as the aircraft is pulled through the air. A. Centrifugal forceB. Torque bending forceC. Thrust bending forceD. Aerodynamic twisting force A B C D 8. It tends to turn the blades to a high blade angle. A. Centrifugal forceB. Torque bending forceC. Thrust bending forceD. Aerodynamic twisting force A B C D 9. This type of propeller has no controls and require no adjustment in flight A. Rigid PropellerB. Semi Rigid PropellerC. Fixed Pitch PropellerD. Constant Speed Propeller A B C D 10. This type of propeller has a propeller control in the center pedestal between the throttle and the mixture control. A. Rigid PropellerB. Semi Rigid PropellerC. Fixed Pitch PropellerD. Constant Speed Propeller A B C D 11. This type of propeller configuration has the propeller mounted on the downstream end of a drive shaft behind the supporting structure. A. Tractor PropellerB. Pusher PropellerC. Fixed Pitch PropellerD. Semi Rigid Propeller A B C D 12. This type of propeller configuration are those mounted on the upstream end of a drive shaft in front of the supporting structure. A. Tractor PropellerB. Pusher PropellerC. Fixed Pitch PropellerD. Semi Rigid Propeller A B C D 13. This is used to test and break in reciprocating engines A. Tractor PropellerB. Pusher PropellerC. Fixed Pitch PropellerD. Test Club Propeller A B C D 14. This type of propeller must be used on multi-engine aircraft to reduce propeller drag to a minimum under one or more engine failure conditions. A. Tractor PropellerB. Pusher PropellerC. Fixed Pitch PropellerD. Feathering Propeller A B C D 15. This type of propeller is a controllable propeller in which the blade angles can be changed to a negative value during operation. A. Tractor PropellerB. Reverse Pitch PropellerC. Fixed Pitch PropellerD. Feathering Propeller A B C D 1 out of 2
