Among the following given fibres, the crystallintyis developed while spinning at a speed of 3000 m/min under normal moisture containing environment for
The POY polyester yarn is produced in the range of
The zone of the extruder in which mostly melt is homogenized and has a drag flow is
The unit for specific flexural rigidity is
Among the following fibres, which one is having higher sheers modulus ?
For fibres, with respect to creep, the primary creep is
Time dependant elongation of thermoplastic fibres are regarded as
Upon thermal treatment of synthetic fibres amorphous orientation......and crystalline regions changes from ..........to............
The lustre of the synthetic fibre................while mixing the titanium dioxide in its dope.
The birefringence value of longer cotton fibre is
The birefringence value of nylon is
The birefringence value is zero for..................fibre.
The terylene fibre have great birefringence due to
The density of acrylic fibre is
The suitable chemicals which are used for measuring the density of fibre by density gradient column are.............and..................
Pycnometer is used to measure .................of the fibre.
Fibroin is the major polymer of ..................fibre.
