WorkSheet Part 1 20 Question
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 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. | show 🗑
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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. | show 🗑
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| show | c. The mechanical limits in the propeller pitch range
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| show | b. aircraft velocity and propeller speed
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| show | a. Blade back.
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| show | a. dowel pins
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| show | b. decrease from the tip to the shank
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| 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. | show 🗑
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| 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 | show 🗑
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| show | b. Maximum efficiency during level flight
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| 11. How can a steel propeller hub be tested for cracks? -- a. By anodizing. -- b. By magnetic particle inspection. -- c. By etching. | show 🗑
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| show | c. both 1 and 2 are true
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| 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. | show 🗑
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| 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. | show 🗑
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| 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. | show 🗑
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| 16. What would the installation of a propeller governor or feathering system be considered? -- a. Maintenance -- b. Minor repair -- c. Major alteration | show 🗑
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| 17. What are the two ranges of the power level quadrant? -- a. Alpha/Beta -- b. Beta/Delta -- c. Alpha/Charlie -- d. Beta/Charlie | show 🗑
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| show | a. Blade pitch
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| 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. | show 🗑
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| 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. | show 🗑
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Created by:
sampizzuto