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TXMI Final Questions with Correct Answers |
Updated (100% Correct Answers)
Which one is defined by extension per unit length? Answer: Strain
The stress-strain curve of polymer first goes through a plastic region
before elastic region Answer: False
Care describes the treatment required to maintain textile product's
original appearance but not cleanliness Answer: False
Which of these are polyolefin's? Answer: all the above
Elastic fibers (highly stretchable) made of polymers with glass
transition temperature which is Answer: much below/above
temperature
Comfort includes the way textiles affect Answer: heat transfer,
moisture transfer, air transfer
The greater polarity of the surface the better is the wetting Answer:
True
Durability describes the manner in which the product withstands
use, that is, the length of time the product is considered suitable for
the use for which it was purchased. Answer: True
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Environmental concerns focus on impact of textiles on environment
during Answer: Production, Care, Use, Disposal
Major class/es of chemical reactions used for synthesis of polymers
Answer: chain polymerization
polycondensation
The terms "repeating unit" can be used interchangeably in all cases
Answer: False
Polarization of covalent bonds in polymer is the mechanism
responsible for intermolecular forces Answer: True
Young modulus unit are Answer: Nm2, Pa
More crystalline polymer causes Answer: stronger polymer, less
flexible polymer
Serviceability deals with comfort of the product Answer: True
Nylon 6,6 Answer: 2 monomers (through condensation
polymerization)
Adipic acid
Hexamethylene diamine
Major 5 Classes of synethic polymers used in textile industry are:
Answer: - polyarcylates
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, 3
- polycarbonates
- polyolefins
- polyesters
- polyamide
- polyvinyl
- polyurethane
- cellulosic polymers
Melting temperature corresponds to: Answer: amorphous to glassy
state phase transition
crystalline to amorphous phase transition
Polymers are processed (to shape fibers and make other commodity
plastic shapes) at temperature that are: Answer: above/below the
glass transition temper, Tg
Polymer chains interact with each other via inter-molecular forces
Answer: True
Polymer molecules are chain-like molecular structures with the most
probable coil-like conformation of chains Answer: True
© 2025 All rights reserved
TXMI Final Questions with Correct Answers |
Updated (100% Correct Answers)
Which one is defined by extension per unit length? Answer: Strain
The stress-strain curve of polymer first goes through a plastic region
before elastic region Answer: False
Care describes the treatment required to maintain textile product's
original appearance but not cleanliness Answer: False
Which of these are polyolefin's? Answer: all the above
Elastic fibers (highly stretchable) made of polymers with glass
transition temperature which is Answer: much below/above
temperature
Comfort includes the way textiles affect Answer: heat transfer,
moisture transfer, air transfer
The greater polarity of the surface the better is the wetting Answer:
True
Durability describes the manner in which the product withstands
use, that is, the length of time the product is considered suitable for
the use for which it was purchased. Answer: True
© 2025 All rights reserved
,2
Environmental concerns focus on impact of textiles on environment
during Answer: Production, Care, Use, Disposal
Major class/es of chemical reactions used for synthesis of polymers
Answer: chain polymerization
polycondensation
The terms "repeating unit" can be used interchangeably in all cases
Answer: False
Polarization of covalent bonds in polymer is the mechanism
responsible for intermolecular forces Answer: True
Young modulus unit are Answer: Nm2, Pa
More crystalline polymer causes Answer: stronger polymer, less
flexible polymer
Serviceability deals with comfort of the product Answer: True
Nylon 6,6 Answer: 2 monomers (through condensation
polymerization)
Adipic acid
Hexamethylene diamine
Major 5 Classes of synethic polymers used in textile industry are:
Answer: - polyarcylates
© 2025 All rights reserved
, 3
- polycarbonates
- polyolefins
- polyesters
- polyamide
- polyvinyl
- polyurethane
- cellulosic polymers
Melting temperature corresponds to: Answer: amorphous to glassy
state phase transition
crystalline to amorphous phase transition
Polymers are processed (to shape fibers and make other commodity
plastic shapes) at temperature that are: Answer: above/below the
glass transition temper, Tg
Polymer chains interact with each other via inter-molecular forces
Answer: True
Polymer molecules are chain-like molecular structures with the most
probable coil-like conformation of chains Answer: True
© 2025 All rights reserved
