Synthetic Fibers Test Questions
  • Synthetic Fibers Test Questions

     

     

    1. What is the name of the fibers obtained by using chemical fiber spinning methods from polymers produced by synthesis?

     

    A) Vegetable fiber B) Regenerated cellulosic fiber C) Animal fiber D) Synthetic fiber

     

    2. Which of the following is not a fiber in the group of synthetic fibers?

     

    A) Acrylic B) Polyamide C) Silk D) Polyester

     

    3. Which of the following is a fiber in the group of synthetic fibers?

     

    A) Viscose B) Polypropylene C) Wool D) Linen

     

    4. Which of the following is not a chemical fiber spinning method?

     

    A) Stretch drawing B) Soft spinning method C) Dry spinning method D) Wet spinning method

     

    5. Which synthetic fiber has the ability to absorb moisture between 4 and 4,5% under normal conditions?

     

    A) Acrylic B) Polyester C) Polyethylene D) Polyamide (Nylon)

     

    6. Which of the following is not one of the usage areas of Nylon 6 fiber?

     

    A) Underwear B) Curtain fabric C) Bed linen D) Car tire

     

    7. Which of the following is one of the industrial uses of polyester fiber?

     

    A) Tent B) Blanket C) Yacht upholstery D) Sewing thread

     

    8. Which of the following is not one of the polyvinyl group fibers?

     

    A) Polyethylene B) Acrylic C) Modacrylic D) Polyvinyl chloride

     

    9. According to which spinning method are polyester fibers produced?

     

    A) Stretch drawing B) Soft spinning method C) Dry spinning method D) Wet spinning method

     

    10. Which of the following is not one of the synthetic fiber groups?

     

    A) Polyester fibers B) Polyamide fibers C) Regenerated cellulosic fibers D) Polyvinyl fibers

     

    11. Which of the following is a regenerated cellulosic fiber?

     

    A) Rayon B) Cotton C) Casein D) Orlon

     

    12. Which of the following is a natural polymer substance?

     

    A) Caustic B) Linter C) Coal D) Petroleum

     

    13. Which of the following is not a fiber of regenerated protein origin?

     

    A) Ardil B) Casein C) Orlon D) Zein

     

    14. By which spinning method is acetate fiber produced?

     

    A) Dry draw B) Soft draw C) Stretch-tensile D) Wet draw

     

    15. Which of the following is a vegetable protein fiber?

     

    A) Modal B) Orlon C) Casein D) Silkool

     

    16. Which of the following is the burning property of rayon fiber?

     

    A) It moves away from the flame. B) It gives the smell of burnt hair. C) It burns pretty fast. D) Leaves residue in hard solid state. 

     

    17. Which of the following is the longitudinal view feature of acetate fiber under microscope?

     

    A) It has sparse longitudinal stripes. B) It is twisted in the form of a ribbon. C) The surface is covered with scales. D) Its longitudinal view is not linear

     

    18. Rayon fiber dissolves in which of the following chemicals?

     

    A) Acetone B) Formic acid C) Acetic acid D) Sulfuric acid

     

    19. Which is the dry distillation reaction of viscose fiber?

     

    A) It shows basic character at pH=5-6. B) It shows acidic character at pH=2-3. C) It shows basic character at pH=2-3. D) It shows acidic character at pH=5-6.

     

    20. Which of the following is one of the tools used in the combustion test?

     

    A) pH paper B) Test tube C) Lighter D) Beaker

     

    21. Which of the following fibers leaves a brown hard residue when burned?

     

    A) Modacrylic fibers B) Polyurethane fibers C) Polypropylene fibers D) Polyvinylchloride fibers

     

    22. Which of the following fibers melts first and then continues to burn when removed from the burning flame and emits white smoke after flashing sooty?

     

    A) Polypropylene fibers B) Polyester fibers C) Polyvinylchloride fibers D) Polyethylene fibers

     

    23. Which of the following fiber emits a sweet fragrant pungent odor when burned?

     

    A) Acrylic fibers B) Polyethylene fibers C) Polyvinyl chloride fibers D) Polyester fibers

     

    24. Which of the following fiber gives off the smell of burnt sugar when burned?

     

    A) Polypropylene fibers B) Polyester fibers C) Polyvinylalcohol fibers D) Polyamide fibers

     

    25. Which of the following fibers melts and then burns, does not burn when it comes out of the flame, its smoke is sooty and black?

     

    A) Polyester fibers B) Viscose C) Cotton D) Acrylic

     

    26. Which of the following is not a feature of the microscope?

     

    A) Yarn defects B) Cross section of the fiber C) Moisture absorption D) Longitudinal view of the fiber

     

    27. Which of the following correctly gives the cross-section of the polyamide fiber?

     

    A) U-shaped B) Round C) Knurled D) Peanut-shaped

     

    28. Which of the following correctly gives the cross-section of the polyethylene fiber?

     

    A) Circular B) U-shaped C) Bean-shaped D) Peanut-shaped

     

    29. Which of the following is regenerated cellulosic fiber?

     

    A) Azlon B) Viscose C) Orlon D) Zein

     

    30. Which of the following is not a natural polymer substance?

     

    A) Wood B) Linter C) Coal D) Vegetable protein

     

    31. Which fiber is based on regenerated cellulose?

     

    A) Orlon B) Silk C) Cotton D) Modal

     

    32. Which of the following is the most distinctive physical property of viscose fiber?

     

    A) Age resistance is high. B) Its dry strength is lower than wool. C) Its wet strength is low. D) It is not affected by sunlight.

     

    33. Which fiber is produced by wet spinning method?

     

    A) Cotton B) Silk C) Viscose D) Polyester

     

    34. What is the chemical property of acetate rayon?

     

    A) They are not affected by strong bases. B) They are affected by strong acids. C) They are easily damaged by microorganisms. D) They are not affected by sunlight.

     

    35. Which fiber group is zein fiber mixed with?

     

    A) Cotton-Wool B) Wool-Polyester C) Viscose-Orlon D) Nylon-Polyester

     

    36. Which of the following is not a vegetable protein fiber?

     

    A) Silkool B) Zein C) Ardil D) Acetate

     

    37. Which of the following is true for casein fiber?

     

    A) His attitude is not good. B) Its strength is quite high. C) It is similar to wool. D) They are damaged by weak acids.

     

    38. Ardil fiber cannot be mixed with which of the following?

     

    A) Cotton B) Rayon C) Orlon D) Wool

     

    39. Which of the following cannot be said about the combustibility of rayon fiber?

     

    A) It does not move away from the flame. B) It gives the smell of burnt paper. C) It burns quite slowly. D) It leaves a residue in the form of ash.

     

    40. Which of the following is the characteristic burning odor of acetate fiber?

     

    A) Burnt paper smell B) Burnt hair smell C) Chemical smell D) Hot vinegar smell

     

    41. Which of the following is a cross-sectional view feature of acetate fiber under microscope?

     

    A) It is round or nearly round. B) It looks like a bean. C) It has an irregular, lobed appearance. D) It is triangular in shape.

     

    42. Which of the following is the longitudinal appearance feature of rayon fiber under microscope?

     

    A) It has prominent longitudinal lines. B) It is twisted in the form of a ribbon. C) The surface is covered with scales. D) It does not have prominent longitudinal lines.

     

     

     


    Posted by %AM, 30% 383% 2017 11%:%Sep in Lesson Questions Read 2642 times
Synthetic Fibers Questions

Synthetic Fibers Test Questions