GATE (TF) Textile 2012 Question Paper Solution | GATE/2012/TF/01

Question 01 (Textile Engineering & Fibre Science)

The fibre which has a mineral origin is

Answer / Solution
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Option A

Frequently Asked Questions | FAQs

What is the mineral form of asbestos?

Asbestos is a naturally occurring mineral that is found in several different forms. The six most common types of asbestos minerals, which are regulated due to their hazardous properties, are:

Chrysotile: Also known as white asbestos, chrysotile is a serpentine mineral and is the most commonly used type of asbestos. It has long, curly fibers that are flexible and resistant to heat.

Amosite: Also known as brown asbestos, amosite is an amphibole mineral. It has straight, brittle fibers and is typically dark brown in color.
Crocidolite: Also known as blue asbestos, crocidolite is an amphibole mineral. It has thin, needle-like fibers that are blue in color.
Anthophyllite: Anthophyllite is an amphibole mineral that occurs in different colors, including gray, green, and brown. It has long, thin fibers.
Tremolite: Tremolite is an amphibole mineral that occurs in various colors, such as white, gray, and green. It has long, straight fibers.
Actinolite: Actinolite is an amphibole mineral that can occur in different colors, including green, gray, and black. It has long, thin fibers.
It’s important to note that all forms of asbestos are considered hazardous due to their potential health risks, and their use has been heavily regulated or banned in many countries due to their association with respiratory diseases and cancer. Proper precautions should always be taken when handling or working with asbestos-containing materials.

What is the origin of asbestos fibre?

Asbestos fibers are naturally occurring minerals that are made up of long, thin crystals. These crystals are formed from the metamorphosis of certain types of rocks, such as serpentine and amphibole. Asbestos has been used for various purposes throughout history due to its desirable properties, including its heat resistance, strength, and insulating properties.

Asbestos has been mined and used by humans for thousands of years, with evidence of its use dating back to ancient times. The word “asbestos” comes from the Greek word “asbeston,” which means “unquenchable” or “inextinguishable,” referring to its ability to withstand fire. Asbestos has been used for a wide range of applications, including building materials, insulation, automotive parts, textiles, and more.

However, it was only in the 20th century that the health hazards associated with asbestos exposure became widely recognized. Inhalation of asbestos fibers can lead to serious respiratory diseases, including asbestosis, lung cancer, and mesothelioma. Due to these health risks, the use of asbestos has been significantly restricted or banned in many countries around the world. Today, proper handling and disposal of asbestos-containing materials are critical to prevent exposure and protect human health.

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