Draw cross section of timber. Give any four engineering properties of timber.

Draw cross section of timber. Give any four engineering properties of timber.
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Answer :

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Properties of Timber:

1. Appearance: A Freshly cut timber should have shining appearance

2. Colour: The Colour of the timber should be dark. Light colour of timber indicates low strength.

3. Durability: A Good timber should be durable. It should be capable of resisting insects and other agencies. It should be long-lasting

4. Fire resistance: Timber is a bad conductor of electricity and heat. It should not catch fire easily.

5. Smell: A Good timber should have sweet smell, unpleasant smell indicates decayed timber

6. Seasoning: The Timber should be well seasoned

7. Strength: A Good Timber should be sufficiently strong and should be capable of taking loads.

8. Toughness: It should be capable of resisting shocks

9. Defect: Good timber should be free from defects

10. Texture: The texture of timber should be even

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