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Question

1. Why is the pulley stop screw on a propeller governor adjustable? -

a. To limit the maximum engine speed during takeoff. -
b. To maintain the proper blade angle for cruising. -
c. To limit the maximum propeller pitch for takeoff.
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2. What is the primary purpose of the metal tipping which covers the blade tips and extends along the leading edge of each wood propeller blade? --

a. To increase the lateral strength of the blade. --
b. To prevent impact damage to the tip and leading edge of the blade. c. To increase the longitudinal strength of the blade.
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WorkSheet Part 1 20 Question

QuestionAnswer
1. Why is the pulley stop screw on a propeller governor adjustable? - a. To limit the maximum engine speed during takeoff. - b. To maintain the proper blade angle for cruising. - c. To limit the maximum propeller pitch for takeoff. a. To limit the maximum engine speed during takeoff.
2. What is the primary purpose of the metal tipping which covers the blade tips and extends along the leading edge of each wood propeller blade? -- a. To increase the lateral strength of the blade. -- b. To prevent impact damage to the tip and leading edge of the blade. c. To increase the longitudinal strength of the blade. b. To prevent impact damage to the tip and leading edge of the blade.
3. What controls the constant speed range of a constant speed propeller? -- a. Engine RPM -- b. Angle of climb and decent with accompanying changes in airspeed -- c. The mechanical limits in the propeller pitch range c. The mechanical limits in the propeller pitch range
4. The Angle of Attack is defined as the difference of the blade chord line and the relative wind. What two elements make up (define) relative wind? -- a. propeller blade angle and propeller RPM -- b. aircraft velocity and propeller speed -- c. aircraft velocity and propeller blade angle b. aircraft velocity and propeller speed
5. Which of the following is identified as the cambered or curved side of a propeller blade, corresponding to the upper surface of a wing airfoil section? -- a. Blade back. -- b. Blade chord. -- c. Blade face. a. Blade back.
6. What is used to ensure that a propeller is installed in one position on some engine drive shafts? -- a. dowel pins -- b. indexing mark -- c. a universal propeller protractor a. dowel pins
7. Blade angles of a propeller -- a. Increase from the tip to the shank -- b. decrease from the tip to the shank -- c. are proportional throughout the length of the blade b. decrease from the tip to the shank
8. Blade angle is an angle formed by a line perpendicular to the crankshaft and a line formed by the -- a. relative wind. -- b. chord of the blade. -- c. blade face. b. chord of the blade.
9. Propeller aerodynamic (thrust) imbalance can be largely eliminated by -- a. Correct blade·contouring and angle setting -- b. Keeping the propeller blades within the same plane of rotation -- c. Static balancing -- d. Prevented maintenance on the propeller blades a. Correct blade·contouring and angle setting
10. How is the blade angle chosen for a fixed-pitch wooden propeller? -- a. The most cost effective choice -- b. Maximum efficiency during level flight -- c. Maximum thrust production capabilities b. Maximum efficiency during level flight
11. How can a steel propeller hub be tested for cracks? -- a. By anodizing. -- b. By magnetic particle inspection. -- c. By etching. b. By magnetic particle inspection.
12. Why are propellers speed limited? -- 1. Excessive speed increases centrifugal and aerodynamic stress -- 2. Excessive speed reduces thrust capabilities as the blades transonic speeds -- a. 2. is true -- b. 1. is true -- c. both 1 and 2 are true c. both 1 and 2 are true
13. Propeller blade tracking is the process of determining -- a. the plane of rotation of the propeller with respect to the aircraft longitudinal axis. -- b. that the blade angles are within the specified tolerance of each other. -- c. the positions of the tips of the propeller blades relative to each other. c. the positions of the tips of the propeller blades relative to each other.
14. How is the speed of a constant-speed propeller changed in flight? -- a. By varying the output of the governor booster pump. -- b. By advancing or retarding the throttle. -- c. By changing the load tension against the flyweights in the governor. c. By changing the load tension against the flyweights in the governor.
15. Surface treatment to counter the effects of dye-penetrant inspection on a propeller is accomplished by -- a. washing off with solvent. -- b. wiping with alcohol. -- c. rinse the blade in alodine solution. c. rinse the blade in alodine solution.
16. What would the installation of a propeller governor or feathering system be considered? -- a. Maintenance -- b. Minor repair -- c. Major alteration c. Major alteration
17. What are the two ranges of the power level quadrant? -- a. Alpha/Beta -- b. Beta/Delta -- c. Alpha/Charlie -- d. Beta/Charlie b. Beta/Delta
18. The theoretical distance that a propeller advances longitudinally in one revolution is determined by: -- a. Blade pitch -- b. Blade back -- c. Bade tip -- d. Slip a. Blade pitch
19. It is important that nicks in aluminum alloy propeller blades be repaired as soon as possible in order to -- a. maintain equal aerodynamic characteristics between the blades. -- b. eliminate stress concentration points. -- c. equalize the centrifugal loads between the blades. b. eliminate stress concentration points.
20. Inspection of propeller blades by dye-penetrant inspection is accomplished to detect -- a. cracks or other defects. -- b. corrosion at the blade tip. -- c. torsional stress. a. cracks or other defects.
Created by: sampizzuto
 

 



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