Fabric Analysis Specifications Quiz

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What is the primary purpose of fabric analysis?

To evaluate the quality specifications of the fabric (correct)

To assess the market demand for the fabric

To find the aesthetic appeal of the fabric

To determine the cost of the fabric

Which of the following methods is used to determine the nature of a fabric?

Observing the texture and feel of the fabric

Measuring the weight of the fabric

Microscopic examination, solubility tests, and burning tests (correct)

Calculating the thread count of the fabric

What information can be obtained by determining the state of a fabric?

The cost of the fabric

The design of the fabric

The market demand for the fabric

The type of finish applied to the fabric (correct)

How can the width of a fabric be determined?

By measuring the fabric with a measuring tape Signup and view all the answers

What is the relationship between warp count and ends per inch?

Warp count is the same as ends per inch Signup and view all the answers

What information can be obtained by analyzing the weave design and its elements?

The quality specifications of the fabric Signup and view all the answers

What is the formula used to calculate the thread count (Nc) when the length is in yards and the weight is in pounds?

$Nc = \frac{Total Length of Threads}{Total weight of Threads} \times 840$ Signup and view all the answers

Which of the following steps is used to calculate the warp and weft crimp?

Measuring the length of the thread in the fabric sample (LF) and its straightened length (LO), then using the formula $\frac{LO - LF}{LF} \times 100$ Signup and view all the answers

What are the units commonly used to express the fabric weight per unit area?

Ounces per square yard or grams per square meter (GSM) Signup and view all the answers

What is the purpose of the 'Weighing these frayed off threads' step in the fabric analysis procedure?

To determine the warp and weft thread count Signup and view all the answers

What is the formula used to calculate the thread count (Nc) when the length is in yards and the weight is in grains?

$Nc = \frac{Total Length of Threads}{Total weight of Threads} \times 8.33$ Signup and view all the answers

What is the purpose of the 'Determining warp and weft thread count' step in the fabric analysis procedure?

To find the total length and weight of the threads Signup and view all the answers

Where is the warp represented on the design paper?

Both b and c Signup and view all the answers

What is the first step in making a weave design?

Obtaining a repeat of the design Signup and view all the answers

What is the recommended duration for conditioning the fabric sample before analysis?

2 to 4 hours Signup and view all the answers

How far from the selvedge should thread density measurements be avoided?

3 to 4 inches Signup and view all the answers

What is the recommended method for fraying threads off the fabric sample?

Using common pins to first displace the threads and then fray them off Signup and view all the answers

What should be the approach if the thread density in warp or weft direction is less than 20?

Count the threads in 2 or 3 inches and find the mean threads per inch Signup and view all the answers

How is the face of a fabric determined in fabric analysis?

By determining the side with more visible design as the face Signup and view all the answers

What is considered as warp threads when identifying warp and weft threads?

Threads parallel to selvedges Signup and view all the answers

In the absence of selvedges, how are warp threads identified based on size?

Sized threads Signup and view all the answers

What is the general characteristic of weft threads when compared to warp threads?

Coarser threads Signup and view all the answers

If both warp and weft threads have the same crimp, which characteristic is considered to identify warp threads?

Thread density Signup and view all the answers

What characteristic is used to determine weft threads if thread density and crimp are the same in both directions?

Thread count Signup and view all the answers

What is the purpose of calculating the weight of warp and weft threads in a fabric sample?

To determine the fabric's weight per unit area Signup and view all the answers

Which of the following formulas is used to calculate the weight of warp threads in ounces?

Weight of Warp (ozs) = ends per yard x (1 + warp crimp) / (840 x warp count) Signup and view all the answers

What is the purpose of the '(1 + crimp)' factor in the weight calculation formulas?

To account for the elongation of threads during weaving Signup and view all the answers

What unit is used to express the weight of warp and weft threads in the GSM calculation?

Tex Signup and view all the answers

What is an alternative method mentioned for determining the GSM of a fabric?

Cutting a 5cm diameter sample and weighing it in grams, then multiplying by 100 Signup and view all the answers

What is the purpose of finding the weave design and its elements for a fabric sample?

To understand the pattern of interlacement between warp and weft threads Signup and view all the answers