Moisture and Fibre Testing
Standard testing atmosphere for testing textiles for tropical and subtropical region is
27 +- 2 deg celcius and 65 +- 2% RH
ATIRA Fibre Fineness tester is used to measure
Count of fibre (fibre fineness)
In determining the yarn evenness, for 45 Ne count, the wraps per inch in visual examination is
38
Beeley's Balance is used to measure count of yarn from
Cone / cheese / fabric
Quality control chart is used to
whether specific process is under control
The standard regain value for Viscose fibre is
14%
Stelometer instrument is working under ___________ principle
Constant rate of Loading (CRL)
Tex count system is
Direct system
In USTER Evenness tester, we can only find the uneveness of sliver (True / false)
False
Give the types of frequency diagram
Histogram and frequency diagram
If the gauge length of the test specimen increases, the strength of fibre will
Decrease
Resistance to air flow through the finer fibre is
More than coarser fibre
The traverse rate of the bottom jaw in lea yarn strength tester will be
12 inches/min
Tension applied on testing crimp for continuous filament yarn is
Tex / 2
Give the formula for mode,
Mean - 3 (Mean - Median)
Universal way to mention the Fibre fineness of cotton fibre is
Micro grams per inch (Micronaire)
A method that more familiar to measure the maturity of fibre is
Caustic soda swelling method
Expansion of FAST is
Fabric Assurance by Simple Test
Kawabata Evaluation System consists _____ modules
Four
Find out the Range from 96, 77, 67, 63, 82, 42
54
If the fibre fineness is more (finer), the number of fibres in cross section will be
More with less irregularity
Give formula for Uniformity ratio
2.5% span length / 50% span length
From the following which belongs to visual examination in finding yarn evenness is
Black board
Cutting and weighing of yarn
Uster Evenness
Capacitance test
Black board
An instrument that is used to test fibre, yarn and fabric is
Instron Universal Tester
Find out Mean from 52, 44, 38, 42, 46
44.4