665199
Descrição
Quiz por Charlotte Camilla, atualizado more than 1 year ago
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Criado por Charlotte Camilla
mais de 10 anos atrás
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Questão 1
Questão
Which of These is Not a Cross Sectional Shape?
Responda
-
Hollow
-
Eliptical
-
Cylindrical
-
Fragmented
-
Trilobal
Questão 2
Questão
Which of These is Not a Cross Sectional Shape?
Responda
-
Hollow
-
Eliptical
-
Cylindrical
-
Fragmented
-
Trilobal
Questão 3
Questão
Which of the Following Would You Look For in a Natural Fibre?
Responda
-
Uneven Width
-
An Unusual Cross Sectional Shape
-
Irregular Surface
-
Scaly Appearance
-
The Presence of Delustrants
-
Smooth Surface
Questão 4
Questão
Interference Colours Viewed Under Polarising Light Microscopy Are Best Seen on White Fibres.
Responda
- True
- False
Questão 5
Questão
Interference Colours Give a Good Indication of the Type of Fibre Being Examined. A 1st Order Fibre is Likely To Be....?
Responda
-
Polyester
-
Acetate
-
Nylon
Questão 6
Questão
The Michel-Levy Chart is Used for Colours Seen With a Red Compensator Plate.
Responda
- True
- False
Questão 7
Questão
What Analytical Techniques Would You Use on Fibres?
Responda
-
Micro - Spectrophotometry
-
Thin Layer Chromatography
-
Infra-Red
-
Gas Chromatography
-
GC - Pyrolysis
-
Physical Fit
Questão 8
Questão
Which of These Illumination Types Would You Use in Fibre Examination?
Responda
-
Bright Field Illumination
-
Crossed Polars Illumination
-
UV Light Illumination
-
Blue Light Illumination
Questão 9
Questão
The Equation to Calculate the Refractive Indices of a Fibre (n) is:
n = (speed of light in vacuum/speed of light in fibre).
Responda
- True
- False
Questão 10
Questão
Birefringence = (Optical path difference/thickness of fibre in micrometers).
Responda
- True
- False
Questão 11
Questão
What is the Meaning of Anisotropy?
Responda
-
Light Travels at Different Speeds in Different Directions in the Fibre.
-
Light Travels at Different Speeds in the Same Direction in the Fibre.
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