Related Questions

Dacron (or terylene) fibres as compared to nylon fibres have
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All of the above
Dacron (or terylene) fibres as compared to nylon's fibres have
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All of the above
Paper grade bamboo contains about __________ percent cellulose.
A 5
B 20
C 40
D 60
Cellulose content in bomboo fibre is about __________ percent.
A 10
B 20
C 50
D 85
Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.
A 10
B 50
C 80
D 95
Which is the most suitable dye for synthetic fibres?
A Acid dye
B Azoic dye
C Pigment dye
D Mordant dye
Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
A Improving the stretchability
B Dyeing/colouring
C Detergent solution washing
D Glycol soaking
The synthetic fibres produced from __________ are known as rayon.
A Lignin
B Cellulose
C Polyamides
D Ethylene glycol
In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.
A Viscose rayon
B Acrylic
C Polyvinyl acetate
D Saturated polyester
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene

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