1. What are fibers composed of? A. Polymer B. Porcelain C. Copper D. Steel

Answer: A. Polymer

1. Which of the following is a type of synthetic fibers? A. Wool B. Nylon C. Glass D. Cotton

Answer: B. Nylon

1. What is the basic unit of a fiber? A. Yarn B. Staple C. Filament D. Thread

Answer: C. Filament

1. How can fibers be identified? A. By colour B. By burn test C. By refractive index D. By all of the above

Answer: D. By all of the above