Lesson 2

Question 1

A fibrous substance which composes the trunk and branches of a tree that lies between the pitch and bark

Answer 1

Wood

Question 2

Properties of Wood

Answer 2

Strong Material, Availability, Light Weiight, Ease of Use, Very good aesthetic properties

Question 3

Physical Properties of Wood

Answer 3

Strength, Moisture, Weight, Hardness, Cleavability, Flexibility and Toughness, Durability

Question 4

Classification of Wood

Answer 4

Mode of Growth, Density, Leaves, Shades or Color of Wood, Grain, Nature of the surface

Question 5

Mode of growth

Answer 5

Exogenous, Endogenous

Question 6

Mode of growth - outward growing trees which are the most preferred for lumbering

Answer 6

Exogenous

Question 7

Mode of growth - inside growing trees, kind of tree less preferred for lumbering bcs of the center core of its log which is soft and brittle

Answer 7

Endogenous

Question 8

Refers to the quality of the mass and volume of the wood

Answer 8

Density

Question 9

Known also as conifers or evergreen

Answer 9

Softwood - Density

Question 10

Generally decidious and have broad leaves

Answer 10

Hardwood - Density

Question 11

Characterestics of leaves

Answer 11

Needle shaped, broad shaped

Question 12

Shades or color of wood

Answer 12

White, Yellow, Orange, Red, Brown, Black

Question 13

Classifications of grain

Answer 13

Straight grain, cross grain, Fine grain, Coarse grain

Question 14

Nature of the Surgace

Answer 14

Plain, Grained, Figured or marked

Question 15

Wood light frame construction was the first?

Answer 15

Uniquely americal building system. Developed in the first half of 19th century

Question 16

Wood construction Frame Types

Answer 16

Balloon, Platform

Question 17

A wooden bldg frame having studs that rise the full height of the frame from the sill to the roof plate, with joists nailed to the studs

Answer 17

Balloon Framing

Question 18

Western framing; a form of multi-storey timber frame construction in which single storey stud walls on the floor or plaform constructed at the level below

Answer 18

Platform Framing

Question 19

The platdorm structure of the bldg suspended by post/column, walls, and beams

Answer 19

Wood floor system

Question 20

Considerations of a wood floor system

Answer 20

Live load, Dead load, Sizing and spacing of the structural members, span of the supports-distance between post/columns or supporting walls.

Question 21

Mobable loads imposed on the structure

Answer 21

Live load, Dead load, Sizing and spacing of the structural members, span of the supports-distance between post/columns or supporting walls.

Question 22

reders to static load, such as the weight of the construction materiald

Answer 22

Dead load

Question 23

Parts of Wood floor system

Answer 23

Joist, Draft Stop, Tail joist/piece, Trimmer, Header

Question 24

Any series of small parallel beams supporting a floor

Answer 24

Joist

Question 25

Piece of lumber used to dress up the edge of the joist

Answer 25

Draft stop

Question 26

Relatively short joist supported by a header or joist at one end and a wall at the other end

Answer 26

Tail Joist/piece

Question 27

Joist supporting one end of the header at the edge of an opening in a floor

Answer 27

Trimmer

Question 28

Framing member crossing and supporting the ends of joist to transfer the weight to parallel joist

Answer 28

Header

Question 29

The upper horizontal construction or surface in an interior space usually suspended

Answer 29

Wood ceiling system

Question 30

A ceiling suspended from an overhead floor or roof structure to provide spaces for pipes, ductwork, lighting fixtures, or other equipment

Answer 30

Suspended Ceiling

Question 31

The top of a building which provide shelter against the elements

Answer 31

Wood Roof system

Question 32

A structural element consisting of a number of members pin-jointed a t their ends to foram a beam

Answer 32

Wood Truss system

Question 33

Roof Consideration

Answer 33

Initial and life cycle cost, Reliability, Structural Capacity, Fire resistance, Environmental Conditions, Building Height, Future Access, Thermal Performance, Bldg code