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Engine Maintenance

Engine Maintenance. Chapter 9 - Quiz. 1. All boats are steered: a. from the bow similar to an automobile. b. by deflecting the flow of water. c. by the thrust of an inboard marine engine. d. only with the use of a rudder. 2.

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Engine Maintenance

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  1. Engine Maintenance Chapter 9 - Quiz

  2. 1. All boats are steered: • a. from the bow similar to an automobile. • b. by deflecting the flow of water. • c. by the thrust of an inboard marine engine. • d. only with the use of a rudder. 2

  3. 2. In the stern-mounted rudder and tiller system the gudgeon is a: • a. rudder stop that prevents loss of the rudder. • b. part attached to the tiller. • c. lever used to turn the rudder. • d. socket that a pintle fits into. 3

  4. 3. Steering gear stuffing boxes: • a. are fixtures holding oil for lubrication of steering systems. • b. require frequent inspection to check for leakage. • c. are best to repack when the boat is in the water. • d. should be adjusted to prevent the packing from rubbing on the shaft. 4

  5. 4. What is an important safety step to take with a tiller-mounted rudder on a small sail boat? • a. Add weights to the rudder so it won't float out of the gudgeon. • b. Install rudder stops to prevent the rudder from acting as a water brake. • c. Use a rudder with metal edges to prevent rocks from damaging the rudder edges. • d. Install a cotter pin in the pintle to prevent the rudder from floating out of the gudgeon. 5

  6. 5. The two basic, self enclosed, mechanical steering systems in use today are: • a. rudder and tiller. • b. rack and pinion and rotary. • c. pintle and gudgeon. • d. drum and cable. 6

  7. 6. In a push-pull cable steering system the rudder is moved by a: • a. drum and cable. • b. tiller or rod. • c. rack and pinion activated by a wheel. • d. hydraulic pump. 7

  8. 7. The advantage of the "no feedback" (NFB) steering system is it: • a. isolates the engine's torque from the driver. • b. is always under tension without loss of motion. • c. has the fastest gear ratio. • d. provides heavier helm pressure.

  9. 8. Pedestal steering maintenance: • a. is not necessary because of the modern materials used. • b. should not include testing under a heavy load. • c. includes teflon grease on the pedestal shaft bearings. • d. includes periodic flushing with water to remove scum. 9

  10. 9. What is the most important feature of worm-gear steering? • a. Mechanical advantage. • b. Easy maintenance. • c. Non-reversing action. • d. Control flexibility. 10

  11. 10. In a hydraulic steering system the fluid reservoir is pressurized to about __________. • a. 150 psi 1000 kPa • b. 75 psi 500 kPa • c. 30 psi 200 kPa • d. 10 psi 67 kPa 11

  12. 11. Hydraulic steering: • a. eliminates kick back from the rudder. • b. prevents the use of automatic pilots. • c. eliminates the need for fixed stops. • d. requires no maintenance. 12

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