Review 1

Question 1

What property of wood increases as the moisture content decreases?

Answer 1

Strength

Question 2

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

Answer 2

Free and bound water

Question 3

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

Answer 3

Fiber Saturation

Question 4

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

Answer 4

Equilibrium Moisture Content

Question 5

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

Answer 5

3% - 5%

Question 6

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

Answer 6

7% - 10%

Question 7

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

Answer 7

Clear face Cuttings

Question 8

What is the choicest grade for hardwood lumber?

Answer 8

FAS

Question 9

What grade of lumber is graded from the best side?

Answer 9

Select & Better

Question 10

What is the main ingredient in most glass?

Answer 10

Silica

Question 11

What is the process used to produce most modern glass?

Answer 11

Float Glass

Question 12

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

Answer 12

It is Safety glass

Question 13

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

Answer 13

Low iron glass

Question 14

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

Answer 14

T

Question 15

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

Answer 15

Measure permitter of the glass

Question 16

When is wired glass specified?

Answer 16

As part of a fire rated assembly

Question 17

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

Answer 17

The edge clearance

Question 18

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

Answer 18

At the 1/4 points on the bottom edge

Question 19

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

Answer 19

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

Question 20

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)?

Answer 20

647

Question 21

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

Answer 21

They are all ferrous metals

Question 22

What description below applies to cast iron?

Answer 22

It is heavy and brittle.

Question 23

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

Answer 23

High speed steel can handle elevated temperatures..

Question 24

What technique makes drilling ferrous metals safer and easier?

Answer 24

Lubricate the bit

Question 25

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

Answer 25

They may be worked with carbide edges

Question 26

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

Answer 26

Thermoplastics

Question 27

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

Answer 27

It is half the weight

Question 28

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

Answer 28

A neutral Rake

Question 29

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

Answer 29

A negative rake

Question 30

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

Answer 30

Conduction

Question 31

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

Answer 31

Convection

Question 32

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

Answer 32

R factor

Question 33

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

Answer 33

On the inside

Question 34

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

Answer 34

Avoid damaging the vapor barrier.

Question 35

What is the minimum STC rating between 2 dwelling units?

Answer 35

50

Question 36

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

Answer 36

Slight increases

Question 37

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

Answer 37

In the ceiling

Question 38

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

Answer 38

Wet Test

Question 39

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

Answer 39

Use a chisel or scraper on semi-set glue

Question 40

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

Answer 40

320 – 360

Question 41

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

Answer 41

120 150 180

Question 42

Describe what bleach is most often used for?

Answer 42

Lightening the natural wood colou

Question 43

Which wood species shows the most lightening effect after bleaching?

Answer 43

Walnut

Question 44

What is the difference between dye and pigment?

Answer 44

Pigments never dissolve.

Question 45

What is one disadvantage of water stains?

Answer 45

They raise the grain

Question 46

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

Answer 46

Pigment Oil

Question 47

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

Answer 47

apply clear stain base to the end grain

Question 48

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

Answer 48

NGR should be sprayed

Question 49

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

Answer 49

Use a paste filler on the surface

Question 50

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

Answer 50

Impropper thinning

Question 51

Top coats suited for heavy wear and usage?

Answer 51

Varnish

Question 52

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

Answer 52

Compressed air

Question 53

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

Answer 53

Synthetic in Origin

Question 54

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

Answer 54

Sealer Coat

Question 55

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

Answer 55

Natural in origin

Question 56

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

Answer 56

Wet Sanding

Question 57

Which top coat is easiest to repair?

Answer 57

Oil

Question 58

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

Answer 58

Placed in closed seal metal container

Question 59

Which top coat is made from an insect by product?

Answer 59

Shellac

Question 60

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

Answer 60

Wax

Question 61

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

Answer 61

Shellac

Question 62

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

Answer 62

Lacquer

Question 63

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

Answer 63

Varnish

Question 64

Why would it be necessary to reduce the viscosity of lacquer

Answer 64

Atomization and flow

Question 65

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

Answer 65

Sheen

Question 66

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

Answer 66

Polyester

Question 67

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

Answer 67

Transfer efficiency.

Question 68

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

Answer 68

Suction

Question 69

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

Answer 69

6 - 8 Inches

Question 70

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

Answer 70

50%

Question 71

What is the cause of most spray gun problems?

Answer 71

Neglect and poor maintenance

Question 72

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

Answer 72

Gun not properly cleaned.

Question 73

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

Answer 73

A piece of broom straw

Question 74

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

Answer 74

Air Volume Pressure Filtration

Question 75

The term atomization means

Answer 75

Tiny, uniform droplets.