textilecoach
Dec 11, 20212 min
Updated: Dec 22, 2023
0 to 1
0 to 100
0.2 to 1.2
0.5 to 1.5
Ans: 3
d
d2
d4
1/d2
Ans: 2
√6
6
12
25
Ans: 1
18 TPI
21 TPI
30 TPI
36 TPI
Ans: 2
We know that TPI = TM x √Count
Therefore TPI = 3.5 x √36 = 21
Increases
Decreases
Does not change
First increases and then decreases
Ans: 4
Increases
Decreases
Not change
Show no trend
Ans: 2
1,850
2,000
2,250
2,800
Ans: 2
For carded = 1800 {1700-1900}
Increases
Decreases
Not change
Show no trend
Ans: 2
1mm
10mm
10cm
1m
Ans: 2
Greater than 2T
Equal to 2T
Less than 2T
Ans: 1
It has a good affinity for this fiber
It can be applied to an alkaline bath
It can be developed by means of acidified sodium nitrite.
Ans: 1
A mineral color
An Oxide
A Pigment
Ans: 2
For dyeing acrylic fabrics with a light fastness of 7-8
For dyeing polyester
For mass coloration of polypropylene
Ans: 1
The presence of intermolecular hydrogen bonding
Resonance Stability
Strong dye fiber interaction
Ans: 2
The density of polypropylene in 0.91 g/cc and that of viscose is 1.52-1.49 g/cc
Friacetatic fibers are soluble in Glacial Acetic Acid and Methylene Chloride at room temperature.
Sisal is an example of a leaf fibre wile cotton is a seed fiber.
The protein in wo ol is known as Keratin while that in silk as fibroin.
The initial modulus of PET is generally Lower than Viscose while the elongation at break is higher than viscose.
At standard conditions the moisture regain values of acetate and acrylic fibers are 1.32 and 1.16 respectively.
The term degumming is associated with Silk fibre while retting with Jute fibers.
MEG and TPA are the monomers for PET
The end group is PET are COOH, OH while in ny lon are COOH, NH2
The glass transition temperature of nylon G is 50oc in dry static and 29o in water
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