Question 03 (Textile Engineering & Fibre Science)
The density of polyester fibre is
|(A)||More than that of cotton|
|(B)||More than that of nylon but less than that cotton|
|(C)||Same as that of nylon|
|(D)||More than that of polypropylene but less than that nylon|
Option B is correct
Frequently Asked Questions | FAQs
How do you find the density of fibre?
The density of a fiber can be determined by dividing its mass by its volume. Here are the general steps to find the density of a fiber:
Weigh the fiber: Use a balance to determine the mass of the fiber sample. The mass should be recorded in grams (g).
Measure the fiber’s dimensions: Measure the length, width, and thickness of the fiber. If the fiber is not a regular shape, you can estimate the average diameter.
Calculate the volume: The volume of the fiber can be calculated using the formula for the volume of a cylinder (if the fiber is cylindrical) or using the appropriate formula for the shape of the fiber.
Calculate the density: Divide the mass of the fiber by its volume to obtain the density in grams per cubic centimeter (g/cm³) or in any other appropriate units.
Density = mass / volume
It’s important to note that the density of fibers can vary depending on the type of fiber, its manufacturing process, and other factors. Therefore, it’s essential to follow a standardized method for measuring and calculating the fiber density.