Fiber Decorticator PAES 228-229:2005

Question 1

slender and greatly elongated natural filament of fiber plant

Answer 1

fiber

Question 2

decorticator mechanical device used for extracting fibers by crushing, beating and scraping actions effected by the rotating cylinder with equally spaced blades and breaker or scraper block (Fig. 1)

Answer 2

fiber decorticator

Question 3

refers to the physical, chemical and morphological properties of fibers extracted

Answer 3

fiber quality

Question 4

ratio of the dry weight of fiber extracted and total fresh weight of stalks / leaves, expressed in percent

Answer 4

fiber recovery

Question 5

weight of the raw materials (fresh stalks / leaves) fed to the machine per unit time, kg/h

Answer 5

input capacity

Question 6

part of the decorticator where raw materials are beaten up and crushed

Answer 6

scraper block breaker block

Question 7

Abaca (Fiber Recovery, % minimum )

Answer 7

3.37

Question 8

Banana (Fiber Recovery, % minimum )

Answer 8

0.59

Question 9

Maguey (Fiber Recovery, % minimum )

Answer 9

3.75

Question 10

Pineapple (Fiber Recovery, % minimum )

Answer 10

1.42

Question 11

Ramie (Fiber Recovery, % minimum )

Answer 11

5.00

Question 12

Sisal (Fiber Recovery, % minimum )

Answer 12

3.52

Question 13

Noise Level, dB (A), maximum

Answer 13

95*

Question 14

Fiber of this grade is of good cleaning and its color ranges from ivory white to light ochre. This grade shall be free from any shade of purple, red and greenish streaks.

Answer 14

Abaca , AD-1-ABACA DECORTICATED SUPERIOR

Question 15

In all fiber of this grade the cleaning process has been properly and carefully carried out. There are practically no scales in the fiber. The cleaning is good and the color is dull white.

Answer 15

Maguey, MR-1-MAGUEY ONE

Question 16

Produced when the fiber is properly decorticated and dried. The fiber is almost free from scales, epidermal layers and pulps. The cleaning is good and the color varies from ivory white to almost white

Answer 16

Pineapple, PID-1-PIÑA DECORTICATED ONE

Question 17

Fiber washed simultaneously or immediately after decortications with fresh water. It’s completely free from bark, sticks (broken stems) or foreign matters. The color ranges from light straw or light greenish to light yellowish ivory or creamy and the cleaning is good. Sisal

Answer 17

Ramie, RD-A-RAMIE SPECIAL

Question 18

In all fiber of this grade the cleaning has been properly carried out. There are practically no scales in the fiber. The cleaning is good and the color is dull white.

Answer 18

Sisal SR-1-SISAL ONE

Question 19

the method or extent of extracting (by retting or decorticating) the fiber from the leaves

Answer 19

cleaning

Question 20

principal factor which determine the grade of a fiber

Answer 20

color

Question 21

distance between the outermost points along the cylinder base axis

Answer 21

cylinder length

Question 22

equivalent linear speed of the cylinder tip when running at normal operating speed

Answer 22

cylinder peripheral speed

Question 23

elasticity or stretch of a fiber before rupture

Answer 23

elongation

Question 24

distance between the scraper block/breaker block and blades in order to separate fiber elements from the non-fiber elements of the plant

Answer 24

effective allowance

Question 25

diameter outside diameter generated by the outermost point of the cylinder decorticating elements

Answer 25

effective cylinder

Question 26

ratio of the amount between the total weight of the fiber extracted to the total amount of fiber content on a dry basis

Answer 26

extraction efficiency

Question 27

difference between the total amount of fiber content and amount of fiber extracted on a dry basis

Answer 27

extraction loss

Question 28

indicator of the quality or the characteristics of the physical property of a fiber

Answer 28

grade

Question 29

number of persons needed in the operation of the fiber decorticator

Answer 29

labor requirement

Question 30

properties of the fiber which deal with its anatomical characteristics such as length, diameter, lumen and wall thickness

Answer 30

morphological properties

Question 31

dry weight of the fiber at 13-14% moisture content extracted per unit time

Answer 31

output capacity

Question 32

inherent strength and behavior of fibers under applied force which determines the mechanical serviceability or usefulness in commerce such as tensile strength, cleaning and color

Answer 32

physical properties

Question 33

electric motor or internal combustion engine used to run the decorticating machine

Answer 33

primemover

Question 34

Test materials to be used shall be commonly or locally grown and newly harvested fiber crop. The amount of test materials to be supplied shall be at least ___ of input capacity (kg/h) of decorticator.

Answer 34

75 %

Question 35

Air dry the extracted fiber and when the moisture content is around ______ record the weight.

Answer 35

13% - 14%,