Which of the following is a common example of fibres?

Options

A. Bakelite
B. Buna-`S`
C. Nylon-`6,6`
D. Nylon-`6`

Answer

To solve the question "Which of the following is a common example of fibres?" we will analyze the given options and determine which one is a fiber.

### Step 1: Understand the options
The options provided are:
- Bakelite
- Bona S
- Nylon 6-6
- Nylon 6

### Step 2: Identify the nature of each option
1. **Bakelite**: This is a type of thermosetting plastic, commonly used in electrical insulators and kitchenware. It is not a fiber.

2. **Bona S**: This is not a widely recognized polymer in the context of fibers. It may refer to a brand or specific product but does not represent a common fiber.

3. **Nylon 6-6**: This is a type of polyamide, which is known for its strength and elasticity. It is commonly used in textiles and is a well-known example of synthetic fiber.

4. **Nylon 6**: Similar to Nylon 6-6, this is also a polyamide and is used in fibers, but it is less common than Nylon 6-6.

### Step 3: Determine the correct answer
Among the options, **Nylon 6-6** is the most recognized and widely used fiber in various applications such as clothing, carpeting, and tire cords.

### Conclusion
The correct answer to the question is **Nylon 6-6**.

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