which one of the following is the most durable wood ?

Options

A. shorea robusta
B. cedrus deodara
C. dalbergia sisso
D. tectona grandis

Answer

To determine which wood is the most durable among the given options, we will analyze each type of wood based on its characteristics and uses.

### Step-by-Step Solution:

1. **Identify the Wood Types**: The options provided are:
- Shoria Robusta (Saal wood)
- Cedrus Deodara (Deodar wood)
- Delbergia Sissoo (Sissoo or Shisham wood)
- Tectona Grandis (Teak wood)

2. **Analyze Shoria Robusta**:
- Commonly known as Saal wood.
- Characteristics: Hard, fibrous, close-grained.
- Durability: Very durable, especially when in contact with water or underground.
- Uses: Railway sleepers, shipbuilding, bridges.

3. **Analyze Cedrus Deodara**:
- Commonly known as Deodar wood.
- Characteristics: Softwood, moderately strong, easy to work with.
- Durability: While it is durable, it is classified as softwood.
- Uses: Cheap furniture, railway carriages, packing boxes, structural work.

4. **Analyze Delbergia Sissoo**:
- Commonly known as Sissoo or Shisham wood.
- Characteristics: High-quality wood, difficult to work with.
- Durability: Known for its durability and resistance to decay.
- Uses: High-quality furniture, decorative works, and carvings.

5. **Analyze Tectona Grandis**:
- Commonly known as Teak wood.
- Characteristics: Moderately hard, durable, fire-resistant.
- Durability: Highly valued for its durability and resistance to elements.
- Uses: Superior quality furniture and other high-end applications.

6. **Conclusion**:
- All the woods mentioned have their own durability characteristics. However, Shoria Robusta (Saal wood) and Tectona Grandis (Teak wood) are particularly noted for their durability in various conditions.
- Since the question asks for the most durable wood, and considering the context of usage and resistance to decay, **Shoria Robusta (Saal wood)** is often regarded as one of the most durable woods.

### Final Answer:
**Shoria Robusta (Saal wood)** is the most durable wood among the options provided.

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