Wood

Front 1

Acting along the grain tend to pull

Back 1

TENSILE STRENGTH

Front 2

Capacity of short beam

Back 2

SHEARING STRENGTH

Front 3

Breaking small specimen

Back 3

TOUGHNESS

Front 4

Bending Deflection

Back 4

STIFFNESS

Front 5

Standard specimen

Back 5

CLEAVAGE

Front 6

Twist and break

Back 6

TWISTING STRENGTH

Front 7

Energy absorbed

Back 7

RESILIENCE

Front 8

Resist from Bending

Back 8

MODULUS OF ELASTICITY

Front 9

Breaking for failure load

Back 9

MODULUS OF RAPTURE

Front 10

Removing excess water

Back 10

WOOD SEASONING

Front 11

APPLIED TO TIMBER , REMOVING SOME MOISTURE

Back 11

SEASONING

Front 12

Conductor of heat

Back 12

CONDUCTION

Front 13

Displacement of Heat

Back 13

CONVECTION

Front 14

Absorption of emition

Back 14

RADIATION

Front 15

Transmit Heat

Back 15

THERMAL CONDUCTIVITY

Front 16

Change in ambient temperature

Back 16

THERMAL DIFFUSIVITY

Front 17

Vibration in air

Back 17

SOUND

Front 18

Vibration of sound waves

Back 18

RESONANCE

Front 19

Reflect Sound Waves

Back 19

ACOUSTIC

Front 20

Product of Velocity and Density

Back 20

SOUND WAVE RESISTANCE

Front 21

Energy loss from vibrating body

Back 21

DAMPING OF SOUND RADIATION

Front 22

Foundation should be durable

Back 22

FOUNDATION OF STACKS

Front 23

Materials should be sorted

Back 23

SORTING

Front 24

Strip of Wood

Back 24

STICKERS

Front 25

Most critical

Back 25

PILING

Front 26

Process drying lumber

Back 26

KILN DRYING

Front 27

Movement air

Back 27

INTERNAL CIRCULATION

Front 28

Expulsion of moisture

Back 28

EXTERNAL CIRCULATION

Front 29

Anything value to man

Back 29

FOREST PRODUCTS

Front 30

Secondary important to man

Back 30

MINOR FOREST PRODUCTS

Front 31

Products main value to man

Back 31

PRINCIPAL FOREST PRODUCTS

Front 32

Amount of water contain in wood

Back 32

MOISTURE CONTENT

Front 33

Basic characteristics of wood

Back 33

HYGROSCOPICITY

Front 34

Sample will be collected

Back 34

GRAVIMETRIC OR OVEN DRY METHOD

Front 35

Needle electrodes

Back 35

MOISTURER METER

Front 36

Contains Pitch / Boiling Specimen

Back 36

DISTILLATION METHOD

Front 37

Water Present Cell Cavities

Back 37

FREE WATER

Front 38

Water contained in cell wall

Back 38

BOUND OR HYGROSCOPIC WATER

Front 39

Chemical Structure

Back 39

WATER CONSTITUTION

Front 40

Molecular motion of body

Back 40

HEAT

Front 41

Heat flow one body to another

Back 41

TEMPERATURE

Front 42

6 types of forest

Mangrove

Mossy

MOLAVE

DIPTEROCARP

Pine

Beach

Back 42

Top regions

Region 2(1.05million hec)

Mimaropa (0.95)

Car (0.81)

Front 43

47.3% classified as alienable and disposable

52.7% grazing land

Back 43

Top 5 priorities

Agno river watershed

Magat river watershed

Abulong river watershed

Chico river watershed

Laoag magalis papa cura river watershed

Front 44

Electrical Properties of wood

Electrical conductivity

Die electric constant

Die electric power factor

Back 44

Wood relation to electricity

Direct CURRENT

Die electric power factor

FACTORS AFFECT RESONANCE

•DIMENSION OF WOOD

•ELASTICITY OF WOOD

•DENSITY OF WOOD

Front 45

Two main consideration

• the acoustic quality of room

•isolation of sound in the source room

Back 45

Air Drying - is oldest and cheapest method