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BU3 Advancement > Bu basic CH9 > Flashcards

Bu basic CH9 Flashcards

1
Q
  1. What is probably the most often used and perhaps the most important of all construction materials? (Page 9-3)
A

wood

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2
Q
  1. What is the hard, fibrous substance that forms the major part of the trunk and branches of a tree? (Page 9-6)
A

wood

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3
Q
  1. What is wood that has been cut and surfaced for use in construction work called? (Page 9-6)
A

lumber

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4
Q
  1. Timber is lumber that is how many or more inches in both thickness and width? (Page 9-6)
A

5

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5
Q
  1. Lumber is dry enough for most uses when its moisture content has been reduced to about what percent? (Page 9-6)
A

12-15%

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6
Q
  1. What two ways are trees classified as? (Page 9-7)
A

softwood or hardwood

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7
Q
  1. Structural lumber is how many or more inches in nominal thickness and width and is used where strength is required? (Page 9-7)
A

2

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8
Q
  1. The grade of a piece of lumber is based on what three factors? (Page 9-8)
A

strength, stiffness, and appearance

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9
Q
  1. What type of lumber is practically free of defects and blemishes? (Page 9-10)
A

grade a

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10
Q
  1. What establishes grades for hardwood lumber? (Page 9-10)
A

national hardwood lumber associates

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11
Q
  1. How many main categories of engineered wood products are there? (Page 9-12)
A

five

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12
Q
  1. What process greatly increases the load carrying capacity and rigidity of the wood? (Page 9-14)
A

laminating

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13
Q
  1. What is one of the strongest building materials available to Seabees? (Page 9-15)
A

plywood

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14
Q
  1. Interior plywood is used for cabinets and other inside construction where the moisture content of the panels will not exceed what percent? (Page 9-16)
A

20%

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15
Q
  1. What is the standard plywood panel size? (Page 9-16)
A

4’x8’

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16
Q
  1. What are two wood pieces that are to be joined together called? (Page 9-23)
A

members

17
Q
  1. What type of joints are used mainly in furniture and cabinet work? (Page 9-23)
A

edge joints

18
Q
  1. What is a corrugated strip of metal with one edge sharpened for driving into the joint? (Page 9-28)
A

corrugated fastener

19
Q
  1. What is the strongest of all the woodworking joints? (Page 9-33)
A

dovetail joint

20
Q
  1. What are the most common type of metal fasteners? (Page 9-38)
A

nails

21
Q
  1. What type of nail is used for toenailing and light work in frame construction? (Page 9-38)
A

box nail

22
Q
  1. What is used in finished carpentry work to fasten doors and window casings and other wood trim? (Page 9-38)
A

casing nail

23
Q
  1. The size of a nail is measured in a unit known as a what? (Page 9-38)
A

penny

24
Q
  1. A nail, whatever the type, should be at least how many times as long as the thickness of the wood it is intended to hold? (Page 9-39)
A

three

25
Q
  1. What type of screws are used when ordinary wood screws would be too short or too light and spikes would not be strong enough? (Page 9-42)
A

lag screws

26
Q
  1. Wood screws come in sizes that vary from 1⁄4 inch to how many inches? (Page 9-42)
A

6 inches

27
Q
  1. What are used in construction requiring great strength or when the work under construction must be frequently disassembled? (Page 9-44)
A

bolts

28
Q
  1. Carriage bolts fall into what three categories? (Page 9-44)
A

square, finned, and ribbed

29
Q
  1. What type of bolt is used to fasten small cabinets, towel bars, drapery hangers, mirrors, electrical fixtures, and other lightweight items to hollow walls? (Page 9-47)
A

molly

30
Q
  1. What are the two major categories of adhesives? (Page 9-48)
A

glues and mastics

31
Q
  1. What is used to bond plastic laminates to wood surfaces? (Page 9-48)
A

contact cement

BU3 Advancement (27 decks)

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