#1
What is the primary component of natural fibers such as cotton and linen?
Cellulose
ExplanationCellulose is the main component of natural fibers like cotton and linen, providing strength and structure.
#2
Which natural fiber is derived from the flax plant?
Hemp
ExplanationHemp is a natural fiber derived from the flax plant, known for its strength and versatility.
#3
What is the primary source of rayon, a regenerated cellulose fiber?
Wood Pulp
ExplanationRayon, a regenerated cellulose fiber, is primarily sourced from wood pulp, which undergoes chemical processing to produce the fiber.
#4
What is the primary component of synthetic fibers such as nylon and polyester?
Polymer
ExplanationPolymer is the primary component of synthetic fibers like nylon and polyester, formed through chemical processes from petrochemicals.
#5
Which method is commonly used for fiber identification in textile analysis?
FTIR Spectroscopy
ExplanationFTIR Spectroscopy is commonly used for fiber identification by analyzing the absorption of infrared radiation.
#6
What is the purpose of performing a burn test on fibers?
To identify fiber type
ExplanationA burn test is conducted on fibers to identify the fiber type based on the characteristics of its burning and ash.
#7
Which type of microscope is commonly used for examining the surface morphology of fibers?
Scanning Electron Microscope (SEM)
ExplanationA Scanning Electron Microscope (SEM) is commonly used to examine the surface morphology of fibers at high magnification.
#8
What does the term 'denier' refer to in textile analysis?
Fiber diameter
ExplanationIn textile analysis, 'denier' refers to the weight in grams of 9000 meters of fiber, indicating fiber diameter.
#9
Which method is commonly used for analyzing the colorfastness of textiles?
Spectrophotometry
ExplanationSpectrophotometry is commonly used to analyze the colorfastness of textiles by measuring the absorption and transmission of light.
#10
Which synthetic polymer is commonly used in the production of polyester fibers?
Polyethylene Terephthalate (PET)
ExplanationPolyethylene Terephthalate (PET) is a synthetic polymer commonly used in the production of polyester fibers due to its durability and versatility.
#11
Which technique is commonly used for determining the fineness of fibers in textile analysis?
Micronaire Measurement
ExplanationMicronaire Measurement is commonly used to determine the fineness of fibers by measuring air permeability.
#12
In textile testing, what does the term 'Martindale Abrasion' measure?
Abrasion resistance
ExplanationMartindale Abrasion measures the abrasion resistance of textiles by subjecting them to rubbing against a standard fabric.
#13
What is the purpose of performing a 'wrinkle recovery' test in textile analysis?
To evaluate fabric crease resistance
ExplanationA 'wrinkle recovery' test assesses fabric crease resistance by measuring its ability to recover from folding or wrinkling.
#14
In textile analysis, what is the purpose of a 'colorimeter'?
To analyze color
ExplanationA colorimeter is used in textile analysis to quantitatively analyze and measure the color of textiles.
#15
In textile testing, what does the term 'creep' refer to?
Fabric elongation under load
Explanation'Creep' in textile testing refers to the gradual elongation of fabric under a sustained load, indicating its mechanical properties.
#16
Which testing method is commonly used to determine the resistance of fabrics to tearing?
Elmendorf Tear Test
ExplanationThe Elmendorf Tear Test is commonly used to determine the resistance of fabrics to tearing by measuring the force required to tear a specimen.