Rice Mill

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

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

Answer 2

broken grains

Question 3

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

Answer 3

brown rice

Question 4

measure of the ability of the machine to remove the hulls

Answer 4

coefficient of hulling

Question 5

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

Answer 5

coefficient of wholeness

Question 6

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

Answer 6

head rice

Question 7

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

Answer 7

huller

dehuller

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

Answer 9

input capacity

Question 10

grains obtained after the removal of hull and bran

Answer 10

milled rice

Question 11

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

Answer 15

multi-pass rice mill

Question 16

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

Answer 16

palay
paddy
rough rice

Question 17

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

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

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

Answer 19

polisher

Question 20

outermost rough covering of the palay 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 palay 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

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

rice mill that employs only one whitening machine

Answer 24

single-pass rice mill

Question 25

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

Answer 25

well-milled rice

Question 26

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

Answer 26

whitener

Question 27

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 27

abrasive type

Question 28

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

Answer 28

friction type

Question 29

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.

Answer 29

10

Question 30

Milling Recovery Index, minimum, Cono

Answer 30

0.97

Question 31

Milling Recovery Index, minimum, Rubber Roll

Answer 31

0.98

Question 32

Percent Head Rice Index, minimum, cono

Answer 32

0.90

Question 33

Percent Head Rice Index, minimum, Rubber Roll

Answer 33

0.90

Question 34

Hulling Efficiency percent, minimum

Answer 34

80

Question 35

Noise level, db(A), maximum

Answer 35

92, 6 hrs

Question 36

Milling Degree

Answer 36

Well-milled

Question 37

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

Answer 37

six (6) months