PAES 206:2015

Question 1

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

Answer 1

Bran

Question 2

pieces of grains smaller than three-fourths (3/4) of the average length of the unbroken kernels

Answer 2

Broken grains

Question 3

dehulled rice
cargo rice
dehusked rice
rice kernels from which only the hull has been removed and with the bran layer still intact

Answer 3

brown rice

Question 4

ratio of the dehulled grains to the total amount of grain input, expressed in percent

Answer 4

coefficient of hulling

Question 5

ratio of the whole brown rice to the total amount of dehulled grains, expressed in percent

Answer 5

coefficient of wholeness

Question 6

grain or a piece of a grain with its length equal to or greater than three-fourths (3/4) of the
average length of the whole kernels

Answer 6

head rice

Question 7

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

Answer 7

huller

Question 8

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

Answer 8

hulling efficiency

Question 9

weight of paddy per unit loading time into the huller, expressed in metric tons per hour

Answer 9

input capacity

Question 10

white rice
grains obtained after the removal of hull, bran and germ

Answer 10

milled rice

Question 11

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

Answer 11

milling capacity

Question 12

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

Answer 12

milling degree

Question 13

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

Answer 13

milling recovery

Question 14

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

Answer 14

milling recovery index

Question 15

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

Answer 15

multi-pass rice mill

Question 16

rough rice
“palay”
unhulled grain of Oryza sativa, which means, grain with the glumes enclosing the kernel

Answer 16

paddy

Question 17

ratio of the weight of grains with a size ofthree-fourths (3/4) or more of the whole grain to the
total weight of milled rice, expressed in percent

Answer 17

percent head rice

Question 18

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

Answer 18

percent head rice index

Question 19

device of a rice mill, which removes the remaining bran on the milled rice and produces a
glossy appearance

Answer 19

polisher

Question 20

rice husk
outer most rough covering of the paddy grain (palea and lemma) consisting of the empty
glumes, floral glumes, and awn

Answer 20

rice hull

Question 21

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

Answer 21

rice mill

Question 22

type of rice mill having an under-runner stone disc huller and vertical cone whitener (Figure
1)

Answer 22

cone “cono” type

Question 23

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

Answer 23

rubber roll type

Question 24

type of a huller with rotating blades and utilizes pressure such as Coriolis’ force, frictional
force from the blades, or impact force at collision with the blades and the peripheral surface

Answer 24

centrifugal type

Question 25

rice mill that employs only one whitening machine

Answer 25

single-pass rice mill

Question 26

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 20% of the sample grains

Answer 26

well-milled rice

Question 27

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

Answer 27

whitener

Question 28

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

Answer 28

abrasive type

Question 29

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

Answer 29

friction type