Structures

Question 1

What wood other than solid are used?

Answer 1

Laminated and Ply

Question 2

What is a laminated wood assy?

Answer 2

Two or more layers, grain parallel

Question 3

Aircraft ply construction?

Answer 3

Odd number of plys with grain offset at 45 or 90 degrees

Question 4

Primary species?

Answer 4

Sitka Spruce

Question 5

How do you inspect for rot?

Answer 5

Discoloration and gray strains along grain

Question 6

What type of glue are used to make joints?

Answer 6

Casein and resin

Question 7

What effects do temps have on glue?

Answer 7

Cure time and joint strength

Question 8

Are mineral streaks okay?

Answer 8

If no rot is present

Question 9

Are knots ok?

Answer 9

Yes, if they are within specs

Question 10

Why is compressed wood not ok?

Answer 10

Serious loss of strength

Question 11

Why is it necessary to inspect stains?

Answer 11

Determine level of decay

Question 12

Why are bushings used in wood?

Answer 12

Prevent crush

Question 13

Results of low glue pressure?

Answer 13

Thick and weak joint

Question 14

What methods are used to apply pressure glue joint?

Answer 14

Brads
Nails
Screws
Clamps
Presses

Question 15

Type of joint used in structural wood?

Answer 15

Scraf

Question 16

Why does the strength of a beveled scarf depend on the accuracy of cut?

Answer 16

Glue area is reduced if bevels are not the same

Question 17

Always splice and reinforce plywood with?

Answer 17

Same type ply