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Cab 4 Red Seal Review > Review 1 > Flashcards

Review 1 Flashcards

1
Q

What property of wood increases as the moisture content decreases?

A

Strength

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2
Q

What two types of water are present in the wood cells of a tree that is freshly felled and sawed?

A

Free and bound water

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3
Q

At what point in the drying process does dimensional change begin in wood?

A

Fiber Saturation

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4
Q

What is the name of the state that wood reaches when the internal moisture content matches the
ambient atmospheric moisture content?

A

Equilibrium Moisture Content

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5
Q

What is the typical change (loss) of dimension is most wood species radially as it dries?

A

3% - 5%

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6
Q

What is the typical change (loss) of dimension is most wood species tangentially as it dries?

A

7% - 10%

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7
Q

What chief quality does a grader look for when grading a hardwood board?

A

Clear face Cuttings

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8
Q

What is the choicest grade for hardwood lumber?

A

FAS

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9
Q

What grade of lumber is graded from the best side?

A

Select & Better

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10
Q

What is the main ingredient in most glass?

A

Silica

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11
Q

What is the process used to produce most modern glass?

A

Float Glass

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12
Q

If glass is laminated, tempered or wired what else can be said of it?

A

It is Safety glass

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13
Q

If the edge of a glass sheet appears transparent and uncoloured what type of glass is it?

A

Low iron glass

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14
Q

True or false: The larger the surface area of a piece of glass, the thicker it should be

A

T

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15
Q

What quick method of calculation can you use to select the proper thickness of glass?

A

Measure permitter of the glass

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16
Q

When is wired glass specified?

A

As part of a fire rated assembly

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17
Q

What else besides thickness is affected by the perimeter size of the window pane if it is to be
correctly installed?

A

The edge clearance

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18
Q

In a normal window installation, where are the setting blocks placed?

A

At the 1/4 points on the bottom edge

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19
Q

If setting blocks are installed in a hinged sash as though it were a regular window, what will happen?

A

The glass will crack at the bottom, un-hinged corner

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20
Q

In the display cabinet shown here, all of the glass panels are the same width. If the total space
between stiles is 1860 and the overlap is 40, what is the width of each panel (to the nearest mm)?

A

647

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21
Q

What do wrought iron, cast iron, mild steel and tool steel have in common?

A

They are all ferrous metals

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22
Q

What description below applies to cast iron?

A

It is heavy and brittle.

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23
Q

What is the chief difference between ordinary tool steel and high-speed steel?

A

High speed steel can handle elevated temperatures..

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24
Q

What technique makes drilling ferrous metals safer and easier?

A

Lubricate the bit

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25
Q

What do aluminum, copper, lead and tin have in common?

A

They may be worked with carbide edges

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26
Q

If a plastic material may be thermoformed, to what family of plastics does it belong?

A

Thermoplastics

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27
Q

When comparing acrylic sheet to regular glass, whatius the difference in weight

A

It is half the weight

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28
Q

A circular saw blade adapted to cutting acrylic sheet must have what dominant characteristic?

A

A neutral Rake

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29
Q

A spiral twist drill bit adapted to drilling acrylic sheet must have what special modification?

A

A negative rake

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30
Q

When butter melts in a hot pan, how is the heat transferred to the butter?

A

Conduction

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31
Q

When masses of cold air and warm air occupy the same space, what heat transfer process will take
place?

A

Convection

32
Q

What is the unit that describes the thermal resistance of an insulating product?

A

R factor

33
Q

When insulating a typical Canadian wall assembly, where should the vapour barrier be installed?

A

On the inside

34
Q

What must a cabinetmaker think about when installing cabinets or millwork against the outside
(insulated wall) of a wood framed building?

A

Avoid damaging the vapor barrier.

35
Q

What is the minimum STC rating between 2 dwelling units?

A

50

36
Q

What effect would adding a second layer of drywall have to the STC rating of a given wall?

A

Slight increases

37
Q

Where would you expect to find loose fill insulation in residential construction?

A

In the ceiling

38
Q

What further pre-finishing step may disclose the presence of adhesives, grease or oil?

A

Wet Test

39
Q

What method is effective in removing excess adhesive from a work piece during assembly?

A

Use a chisel or scraper on semi-set glue

40
Q

Of the following grit ranges, which is best for scuff sanding between finish coats?

A

320 – 360

41
Q

Which example describes the proper sequence of grits for finish sanding?

A

120 150 180

42
Q

Describe what bleach is most often used for?

A

Lightening the natural wood colou

43
Q

Which wood species shows the most lightening effect after bleaching?

A

Walnut

44
Q

What is the difference between dye and pigment?

A

Pigments never dissolve.

45
Q

What is one disadvantage of water stains?

A

They raise the grain

46
Q

What is the most common and reliable type of stain used in woodworking?

A

Pigment Oil

47
Q

When using a dark stain on solid wood, what helps reduce the contrast on end grain?

A

apply clear stain base to the end grain

48
Q

What is the major difference between NGR stains and oils stains?

A

NGR should be sprayed

49
Q

What is the best way to improve the surface sheen of porous woods before the application of a
clear top coat?

A

Use a paste filler on the surface

50
Q

What is the root cause when orange peel occurs when spraying lacquer and other synthetic
finishes?

A

Impropper thinning

51
Q

Top coats suited for heavy wear and usage?

A

Varnish

52
Q

How is the material fed to a gun in a conventional pressure fed spraying?

A

Compressed air

53
Q

Urethane, polyester, and epoxy are different from lacquer in what way?

A

Synthetic in Origin

54
Q

What product keeps stain from bleeding into the finish, and levels the surface of the item being
coated?

A

Sealer Coat

55
Q

Shellac, varnish and lacquer are different from polyurethane in what way?

A

Natural in origin

56
Q

How can an oil finish attain an improved lustre (sheen)?

A

Wet Sanding

57
Q

Which top coat is easiest to repair?

A

Oil

58
Q

How should you handle oily rags used in applying oil stains or finishes?

A

Placed in closed seal metal container

59
Q

Which top coat is made from an insect by product?

A

Shellac

60
Q

Which finish inhibits the application of other finishes unless it is completely stripped by a
solvent?

A

Wax

61
Q

Which finish may be used as a top coat itself or modified to make a French polish?

A

Shellac

62
Q

Which finish forms a thin-bodied, fast-drying finish that forms a hard, slightly amber coloured
coating?

A

Lacquer

63
Q

Which finish is a combination of drying oil, resin and solvent?

A

Varnish

64
Q

Why would it be necessary to reduce the viscosity of lacquer

A

Atomization and flow

65
Q

The reflective potential of a top coat is commonly referred to as

A

Sheen

66
Q

Which finish is exceptionally hard, durable and always looks wet?

A

Polyester

67
Q

If a most of a sprayed finish is deposited on work piece, that is an example of high:

A

Transfer efficiency.

68
Q

The tip shown below is part of which type of material delivery system?

A

Suction

69
Q

How far should the conventional spray gun be away from the work?

A

6 - 8 Inches

70
Q

As a general rule, what percentage of the spray stroke should be lapped over the previous pass?

A

50%

71
Q

What is the cause of most spray gun problems?

A

Neglect and poor maintenance

72
Q

As you spray, you notice that the gun spits and ejects pieces of dry material. What is the cause
of this problem?

A

Gun not properly cleaned.

73
Q

What is the best way to clean the tiny holes in an air cap?

A

A piece of broom straw

74
Q

What are the requirements to check when selecting a compressor for spray finishing?

A

Air Volume

Pressure

Filtration

75
Q

The term atomization means

A

Tiny, uniform droplets.

Cab 4 Red Seal Review (6 decks)

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