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45 Cards in this Set
- Front
- Back
Acting along the grain tend to pull |
TENSILE STRENGTH |
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Capacity of short beam |
SHEARING STRENGTH |
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Breaking small specimen |
TOUGHNESS |
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Bending Deflection |
STIFFNESS |
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Standard specimen |
CLEAVAGE |
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Twist and break |
TWISTING STRENGTH |
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Energy absorbed |
RESILIENCE |
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Resist from Bending |
MODULUS OF ELASTICITY |
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Breaking for failure load |
MODULUS OF RAPTURE |
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Removing excess water |
WOOD SEASONING |
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APPLIED TO TIMBER , REMOVING SOME MOISTURE |
SEASONING |
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Conductor of heat |
CONDUCTION |
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Displacement of Heat |
CONVECTION |
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Absorption of emition |
RADIATION |
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Transmit Heat |
THERMAL CONDUCTIVITY |
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Change in ambient temperature |
THERMAL DIFFUSIVITY |
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Vibration in air |
SOUND |
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Vibration of sound waves |
RESONANCE |
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Reflect Sound Waves |
ACOUSTIC |
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Product of Velocity and Density |
SOUND WAVE RESISTANCE |
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Energy loss from vibrating body |
DAMPING OF SOUND RADIATION |
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Foundation should be durable |
FOUNDATION OF STACKS |
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Materials should be sorted |
SORTING |
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Strip of Wood |
STICKERS |
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Most critical |
PILING |
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Process drying lumber |
KILN DRYING |
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Movement air |
INTERNAL CIRCULATION |
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Expulsion of moisture |
EXTERNAL CIRCULATION |
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Anything value to man |
FOREST PRODUCTS |
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Secondary important to man |
MINOR FOREST PRODUCTS |
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Products main value to man |
PRINCIPAL FOREST PRODUCTS |
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Amount of water contain in wood |
MOISTURE CONTENT |
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Basic characteristics of wood |
HYGROSCOPICITY |
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Sample will be collected |
GRAVIMETRIC OR OVEN DRY METHOD |
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Needle electrodes |
MOISTURER METER |
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Contains Pitch / Boiling Specimen |
DISTILLATION METHOD |
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Water Present Cell Cavities |
FREE WATER |
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Water contained in cell wall |
BOUND OR HYGROSCOPIC WATER |
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Chemical Structure |
WATER CONSTITUTION |
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Molecular motion of body |
HEAT |
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Heat flow one body to another |
TEMPERATURE |
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6 types of forest Mangrove Mossy MOLAVE DIPTEROCARP Pine Beach |
Top regions Region 2(1.05million hec) Mimaropa (0.95) Car (0.81) |
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47.3% classified as alienable and disposable 52.7% grazing land |
Top 5 priorities Agno river watershed Magat river watershed Abulong river watershed Chico river watershed Laoag magalis papa cura river watershed |
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Electrical Properties of wood Electrical conductivity Die electric constant Die electric power factor
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Wood relation to electricity Direct CURRENT Die electric power factor FACTORS AFFECT RESONANCE •DIMENSION OF WOOD •ELASTICITY OF WOOD •DENSITY OF WOOD
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Two main consideration • the acoustic quality of room •isolation of sound in the source room |
Air Drying - is oldest and cheapest method |