Study Questions Chapter 02

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(No Transcript)
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Question. 1, Page 2-11

• What is the proper way to block up a hull?
• Weight of boat to rest on keel supported by
  blocks spaced every 5 feet.

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Question. 2, Page 2-11

• Why shouldn't you allow the weight of the boat to
  rest on the shoring?
• Could damage hull

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Question. 3, Page 2-11

• List the lay-up chores that must be done after
  the the boat is hauled out.
• 1. Proper blocking of the hull.
• 2. The weight of the boat should rest on the keel
  which should rest on blocks to allow
  ventilation of the bottom of the keel.
• 3. The blocks should be high enough so you can
  get to the bottom of the keel to perform
  maintenance.
• 4. Keep water line level.
• 5. Storing on trailer requires the same
  procedures.

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Question. 3 continued

• List the lay-up chores that must be done after
  the the boat is hauled out (continued)
• 6. Clean bottom of growths and marine life.
  
• 7. Drain and winterize.
• 8. Fill fuel tanks and use stabilizing
  compound.
• 9. Drain the bilge, change engine oil and
  filter.
• 10. Remove and store battery.
• 11. Take out everything movable.

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Question. 4, Page 2-11

• What is the purpose of allowing the boat to
  ventilate when it is laid up?
• Prevent condensation and foul smell or dry rot
  

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Question. 5, Page 2-11

• The two types of marine growth are _____ and
  _____.
• Vegetable
• Animal

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Question. 6, Page 2-11

• What are the two things that can happen to a
  wooden boat that is not protected against marine
  growths?
• Performance can be reduced, hull can be weakened
  or destroyed

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Question. 7, Page 2-11

• How does copper protect a boat's hull?
• Copper in salt water gives off poisonous salts.

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Question. 8, Page 2-11

• What should you consider when selecting a bottom
  paint for your boat?
• Other metals in boat that will be influenced by
  paint

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Question. 9, Page 2-11

• What causes dry rot?
• Fungus that thrives in fresh water.

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Question. 10, Page 2-11

• A first indication of dry rot is _____ .
• Its smell

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Question. 11, Page 2-12

• List some of the places to look for dry rot in a
  wooden boat.
• Dark damp places.
• Check out areas where fresh water can enter in
  the form of rain or condensation.

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Question. 12, Page 2-12

• When dry rot is found, it must be_____ .
• Removed

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Question. 13, Page 2-12

• How can you prevent dry rot?
• Keep fresh water out and stop it from collecting.
  

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Question. 14, Page 2-12

• What is the difference between galvanic action
  and electrolytic action?
• Galvanic action is caused by two dissimilar
  metals placed in salt water electrolytic action
  is caused by an external current

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Question. 15, Page 2-12

• Current will flow from the _____ metal to the
  _____ metal during galvanic action.
• Less noble
• More noble

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Question. 16 (text is numbered 15 erroneously),
Page 2-12

• What is the principle of using a sacrificial
  metal to minimize the effect of galvanic action?
  
• The sacrificial metal will be corroded rather
  than the hull's metal

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Question. 17 (incorrectly shown as 16 in Guide),
Page 2-12

• How can you prevent electrolytic action?
• Eliminate stray electrical currents.

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Question. 18 (text is numbered 17 erroneously),
Page 2-12

• The shaft train is made up of _____, _____,
  _____, _____, and _____ .
• Shaft log, Shaft, Strut, Strut bearing,
  Propeller

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Question. 19 (incorrectly shown as 18 in Guide),
Page 2-12

• How does the stuffing box work?.
• It holds rings of packing material that are
  squeezed around the shaft, preventing water from
  entering the boat.

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Question. 20 (text is numbered 19 erroneously),
Page 2-12

• The strut bearing relies on _____ for lubrication
  .
• Water