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82 Cards in this Set

  • Front
  • Back

aspirator

cleaner that uses air to separate lower density material from the corn kernels/corn grits such as floured corn, germ and bran

bulk density

ratio of the weight (kg) of the corn kernels, to its volume (m3)

degerminated corn kernels

shelled corn kernels where the germ and pericarp have been removed

feed rate

weight of the corn kernels fed into the corn mill per unit of time

laboratory sieve shaker

equipment with definite shaking motion used to sort the size of the milled materials using standard screen sieves

sifter



oscillating screen


wire mesh or perforated metal sheet, moving in back-and-forth direction, permitting smaller particles to fall through the openings and larger particles to remain on top

5 cm

The noise level emitted by the machine shall be measured using a noise level meter at the location of the operators and baggers. The noise shall be taken approximately _____ away from the ear level of the operators and baggers.

tachometer

The speed of the rotating shafts of the major components of the corn mill shall be taken using a _____.

actual field capacity

actual rate of reaping the rice crop in a given area per unit of time

conveying loss

grains that fall with the cut stalks during delivery and release at the side of the reaper during operation

field efficiency

ratio of the actual field capacity and theoretical field capacity, expressed in percent

header loss



shattering loss

grains that have fallen to the ground due to the machine’s cutting operation

journal bearing

bearing that is used to reduce the friction in supported radial loads

reciprocating cutter knife

cutting mechanism consisting of fixed lower knife and reciprocating upper knife wherein its movement is controlled by the crank connected to the gear box or belt drive

rice reaper

machine that cuts and lays stalks of rice crop uniformly on one side

rotary knife

cutting mechanism consisting of planetary type circular saw-toothed blade which rotates at the same time with the pick-up triangular frame

shear pin

pin designed to shear in case of mechanical overload during operation to prevent damage to major parts

theoretical field capacity

computed rate of reaping paddy in a given area per unit of time

3.5 hp (2.6 kW) ; 1.2 m ; 5 hp (3.7 kW) ; 1.2 m

The rice reaper shall be operated using a minimum of _____ engine for a cutter bar cutting mechanism with _____ width of cut while a minimum of _____ engine shall be used for a rotary cutting knife cutting mechanism with _____ cutting width.

cutting width

distance between two outermost divider tips

lodging angle

degree between the vertical line joining the center of the plant and the imaginary line where the stalk lodges

potential yield


maximum yield per unit area

pre-harvest loss


losses that occurprior to reaping due to maturity of paddy and natural causes

overall height


distance between the horizontal supporting surface and the horizontal plane touching the uppermost part of the reaper

overall length

distance between the vertical planes at the right angles to the median plane of the reaper and touching its front and rear extremities

overall width


distance between the vertical planes parallel to the median plane of the reaper, each plane touching the outermost point of the reaper on its respective side

running-in period


preliminary operation of the machine to make various adjustments prior to the conduct of test



pre-test operation of the rice huller to make various adjustments prior to the conduct of test until the operation is stable

750m^2 ; 30m

For rice reaper, each test, with three replications, shall be carried out in the rectangular field with an area of not less than _____ with minimum length of _____. The field should be completely dried before reaping to prevent additional water absorption of the rice grains.

Field performance test


This is carried out to obtain actual data on machine performance, operating accuracy, work quality and adaptability to varied crops and field conditions.

5 cm ; noise level meter

The noise emitted by the machine shall be measured approximately _____ away from the ear level of the operator using a _____.

metal drum core


cylinder where rubber is bonded

rubber roll


component of rice mill made of rubber bonded to an inner metal drum core use for hulling

rubber thickness


depth of the rubber bonded on the metal drum core

size


specified by the width, by the outside diameter and by the core diameter of the rubber roll

width


longitudinal dimension of a roll in right angle to the diameter

15 mm

For rubber roll for rice mill, the rubber shall have a minimum thickness of _____.

80 to 90 ; 85

The rubber hardness shall be between _____ shore in the case of elastomers and _____ shore for press-cured rubber mixes.

6200 kPa to 8268 kPa

The tensile stress of the rubber roll shall be _____.

1.2 to 1.3

The specific gravity of the rubber shall be _____.

0.6 mm

When the iron sheet is used for the drum core, it shall be at least _____ cold rolled carbon steel.

60 kg

For every 2 g reduction in weight of the rubber roll, the brown rice processed shall be at least _____.

broken brown rice


grain that breaks in the process of dehulling which has a size of less than eighth-tenth (8/10) of the average length of the whole grain

brown rice


dehulled paddy with bran layer still intact

coefficient of hulling


measure the ability of the huller to remove the hulls

coefficient of wholeness


measure the ability of the huller to remove the hull without breaking the grain

hull



husk


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

whole brown rice


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

fineness modulus


classification system that indicates the uniformity of grind in the resultant product; sum of the weight fractions retained above each sieve divided by 100

hammer mill


device use for grinding which is a result of the impact between the particles and hammers, which are mounted on a shaft rotating along a horizontal axis

reduction ratio


ratio of the average size of input to the average size of the product

96 db

The noise emitted by the hammer mill shall not be more than _____ (A).

laboratory sieve shaker


equipment with definite shaking motion used to sort size of the milled materials using standard screen sieves

milling capacity


quantity of input materials that the hammer mill can process to produce milled materials per unit of time, expressed in kilogram per hour

blow-up type


type of forage chopper where the chopped materials are blown up through the blow-up pipe

cutterhead



cutting rotor


devices intended to cut the crop into short lengths with reasonable consistency within a range of optional settings

cylinder cutterhead


knives on cylindrical mountings such that the cutting edges of the knives are essentially parallel to the axis of rotation

feedroll


cylindrical roll generally with protrusions or flutes, used to gather, compress and advance the crop into the cutterhead

flywheel cutterhead


knives mounted essentially radially with the cutting edges describing a plane perpendicular to the axis of rotation

forage chopper


machine used to cut the crop into short parallel lengths

let-fall type


type of forage chopper where the chopped materials are dropped down to the bottom of machine

precision-cut forage chopper


forage chopper which uses a feeding mechanism consisting of four or more feed rolls to partially orient and advance the crop at a consistent rate into the cutting mechanism

random-cut forage chopper


forage chopper without a distinct feeding mechanism, usually employing flails to impact-cut and chop crop directly into shorter pieces

semi-precision-cut forage chopper


forage chopper which uses a feeding mechanism consisting of two feed rolls, or other means such as an auger, to advance the crop to the cutting mechanism

stationary knife



shear bar


fixed plate providing a stationary edge against which the cutterhead knives shear the crop

throw-away type


type of forage chopper where the chopped materials are thrown away to the front area of the machine

chopping efficiency


ratio of the weight of the fresh chopped materials collected at all outlets, to the total fresh weight of the input of the chopper, expressed in percent

forage


any crop used as silage, soilage or animal feed, usually mixed with fermenting agents.

feeding table


part of the forage chopper where the forage to be chopped are loaded

50 mm

The noise emitted by the machine shall be measured using a noise level meter at the location of the feeder and collector of the chopped materials. The noise level shall be measured approximately _____ away from the ear level of the feeder and collector of the chopped materials.

blower loss


ratio of the weight of kernels blown by the sheller fan, to the weight of the total kernel input of the sheller, expressed in percent

damaged kernel


wholly or partially broken and insect-damaged kernel

kernel


edible part of peanut

main kernel outlet


outlet at which shelled kernel moves out of the machine

peanut sheller


machine used to remove kernels from the shell by breaking/splitting the pods

pod


unbroken shell with kernel inside

shell


hull of the pod

shell outlet


outlet at which shells come out of the machine in case of the machine with blower(s)

shelled kernels


whole and damaged kernels freed from shell

shelling efficiency


ratio of the weight of the shelled kernels collected at all outlets, to the total kernel input of the sheller, expressed in percent

shelling recovery


ratio of the weight of the shelled kernels collected at the main outlet, to the total weight of the kernel input of the sheller, expressed in percent

unshelled loss


ratio of the weight of kernels that remained in the pods collected from all outlets, to the weight of the total kernel input of the sheller, expressed in percent

whole kernel


unbroken and non-insect damaged kernel