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PAES Postharvest > Rice Mill > Flashcards

Rice Mill Flashcards

1
Q

outer layer of the brown rice consisting of the aleurone cells covering the endosperm of the rice grain

A

bran

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2
Q

grains that break in the process of milling which have a size of less than eight-tenth (8/10) of the average length of whole grain

A

broken grains

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3
Q

dehulled palay (husk/hull removed) with the bran layer still intact

A

brown rice

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4
Q

measure of the ability of the machine to remove the hulls

A

coefficient of hulling

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5
Q

measure of the ability of the machine to remove the hulls without breaking the grain

A

coefficient of wholeness

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6
Q

grain or fraction of grain with its length equal to or greater than eight-tenth (8/10) of the average length of the whole grain

A

head rice

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7
Q

component of a rice mill that removes the hulls (palea and lemma) from the grains

A

huller

dehuller

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8
Q

product of the coefficient of hulling and the coefficient of wholeness of grains, expressed in percent

A

hulling efficiency

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9
Q

weight of palay per unit loading time into the hopper/intake pit, expressed in kilogram per hour

A

input capacity

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10
Q

grains obtained after the removal of hull and bran

A

milled rice

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11
Q

quantity of palay that the rice mill can process to a specified quality per total milling time, expressed in kilogram per hour

A

milling capacity

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12
Q

extent or degree by which the bran layer of the brown rice is removed as a result of whitening

A

milling degree

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13
Q

ratio of the weight of milled rice to the total weight of palay, expressed in percent

A

milling recovery

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14
Q

ratio of the milling recovery obtained in actual testing, to the milling recovery obtained from the laboratory test mill

A

milling recovery index

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15
Q

rice mill that employs a series of two or more whitening machines

A

multi-pass rice mill

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16
Q

unhulled grain of Oryza sativa L., that is grain with the hull/husk enclosing the grain

A

palay
paddy
rough rice

17
Q

ratio of the weight of grains that do not break in the process of milling and with a size of three-fourth (3/4) or more of the whole grain to the total weight of milled rice, expressed in percent

A

percent head rice

18
Q

ratio of the percent head rice obtained in actual testing, to the percent head rice obtained from the laboratory test mill

A

percent head rice index

19
Q

auxiliary device of a rice mill, which removes the remaining small bran particles on the milled rice and gives it a glossy appearance

A

polisher

20
Q

outermost rough covering of the palay grain (palea and lemma) consisting of the empty glumes, floral glumes, and awn

A

rice hull

21
Q

machine used to remove the hull and bran of the palay to produce milled rice and consists mainly of hulling and whitening assembly

A

rice mill

22
Q

type of rice mill having an under-runner stone disc huller and vertical cone whitener

A

cone “cono” type

23
Q

type of rice mill using rubber roll huller and utilizes friction and/or combination of other types of whitener

A

rubber roll type

24
Q

rice mill that employs only one whitening machine

A

single-pass rice mill

25
Q

rice grain from which the hull, the germ, the outer bran layers, and the greater part of the inner bran layer have been removed, but part of the lengthwise streaks of the bran layers may still be present on less than 15% of the sample grains

A

well-milled rice

26
Q

component of a rice mill that removes the bran layer in the brown rice

A

whitener

27
Q

type of whitening machine consisting of a cylinder or cone coated with abrasive material such as emery stone or any similar materials enclosed in a perforated steel housing

A

abrasive type

28
Q

type of whitening machine consisting of a ribbed cylinder enclosed in a perforated steel housing

A

friction type

29
Q

The specified capacity at the brown rice output of the paddy separator must be attained, with maximum of ____ pieces of palay per kilogram of brown rice output.

A

10

30
Q

Milling Recovery Index, minimum, Cono

A

0.97

31
Q

Milling Recovery Index, minimum, Rubber Roll

A

0.98

32
Q

Percent Head Rice Index, minimum, cono

A

0.90

33
Q

Percent Head Rice Index, minimum, Rubber Roll

A

0.90

34
Q

Hulling Efficiency percent, minimum

A

80

35
Q

Noise level, db(A), maximum

A

92, 6 hrs

36
Q

Milling Degree

A

Well-milled

37
Q

Warranty shall be provided for parts and services within ______ after the installation and acceptance by the user, except on easy to wear parts such as belts, rubber rolls, and screens

A

six (6) months

PAES Postharvest (3 decks)

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