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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 |
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bulk density |
ratio of the weight (kg) of the corn kernels, to its volume (m3) |
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degerminated corn kernels |
shelled corn kernels where the germ and pericarp have been removed |
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feed rate |
weight of the corn kernels fed into the corn mill per unit of time |
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laboratory sieve shaker |
equipment with definite shaking motion used to sort the size of the milled materials using standard screen sieves |
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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 |
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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. |
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tachometer |
The speed of the rotating shafts of the major components of the corn mill shall be taken using a _____. |
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actual field capacity |
actual rate of reaping the rice crop in a given area per unit of time |
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conveying loss |
grains that fall with the cut stalks during delivery and release at the side of the reaper during operation |
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field efficiency |
ratio of the actual field capacity and theoretical field capacity, expressed in percent |
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header loss shattering loss |
grains that have fallen to the ground due to the machine’s cutting operation |
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journal bearing |
bearing that is used to reduce the friction in supported radial loads |
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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 |
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rice reaper |
machine that cuts and lays stalks of rice crop uniformly on one side |
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rotary knife |
cutting mechanism consisting of planetary type circular saw-toothed blade which rotates at the same time with the pick-up triangular frame |
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shear pin |
pin designed to shear in case of mechanical overload during operation to prevent damage to major parts |
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theoretical field capacity |
computed rate of reaping paddy in a given area per unit of time |
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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. |
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cutting width |
distance between two outermost divider tips |
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lodging angle |
degree between the vertical line joining the center of the plant and the imaginary line where the stalk lodges |
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potential yield |
maximum yield per unit area |
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pre-harvest loss |
losses that occurprior to reaping due to maturity of paddy and natural causes |
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overall height |
distance between the horizontal supporting surface and the horizontal plane touching the uppermost part of the reaper |
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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 |
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overall width
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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 |
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running-in period
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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 |
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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. |
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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. |
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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 _____. |
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metal drum core |
cylinder where rubber is bonded |
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rubber roll |
component of rice mill made of rubber bonded to an inner metal drum core use for hulling |
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rubber thickness |
depth of the rubber bonded on the metal drum core |
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size |
specified by the width, by the outside diameter and by the core diameter of the rubber roll |
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width |
longitudinal dimension of a roll in right angle to the diameter |
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15 mm |
For rubber roll for rice mill, the rubber shall have a minimum thickness of _____. |
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80 to 90 ; 85 |
The rubber hardness shall be between _____ shore in the case of elastomers and _____ shore for press-cured rubber mixes. |
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6200 kPa to 8268 kPa |
The tensile stress of the rubber roll shall be _____. |
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1.2 to 1.3 |
The specific gravity of the rubber shall be _____. |
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0.6 mm |
When the iron sheet is used for the drum core, it shall be at least _____ cold rolled carbon steel. |
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60 kg |
For every 2 g reduction in weight of the rubber roll, the brown rice processed shall be at least _____. |
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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 |
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brown rice |
dehulled paddy with bran layer still intact |
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coefficient of hulling |
measure the ability of the huller to remove the hulls |
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coefficient of wholeness |
measure the ability of the huller to remove the hull without breaking the grain |
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hull husk |
outermost rough covering of the palay grain (palea and lemma) consisting of the empty glumes, floral glumes, and awn |
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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 |
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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 |
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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 |
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reduction ratio
|
ratio of the average size of input to the average size of the product |
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96 db |
The noise emitted by the hammer mill shall not be more than _____ (A). |
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laboratory sieve shaker |
equipment with definite shaking motion used to sort size of the milled materials using standard screen sieves |
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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 |
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blow-up type |
type of forage chopper where the chopped materials are blown up through the blow-up pipe |
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cutterhead cutting rotor |
devices intended to cut the crop into short lengths with reasonable consistency within a range of optional settings |
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cylinder cutterhead |
knives on cylindrical mountings such that the cutting edges of the knives are essentially parallel to the axis of rotation |
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feedroll |
cylindrical roll generally with protrusions or flutes, used to gather, compress and advance the crop into the cutterhead |
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flywheel cutterhead |
knives mounted essentially radially with the cutting edges describing a plane perpendicular to the axis of rotation |
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forage chopper |
machine used to cut the crop into short parallel lengths |
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let-fall type
|
type of forage chopper where the chopped materials are dropped down to the bottom of machine |
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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 |
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random-cut forage chopper |
forage chopper without a distinct feeding mechanism, usually employing flails to impact-cut and chop crop directly into shorter pieces |
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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 |
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stationary knife shear bar |
fixed plate providing a stationary edge against which the cutterhead knives shear the crop |
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throw-away type |
type of forage chopper where the chopped materials are thrown away to the front area of the machine |
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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 |
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forage |
any crop used as silage, soilage or animal feed, usually mixed with fermenting agents. |
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feeding table |
part of the forage chopper where the forage to be chopped are loaded |
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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. |
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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 |
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damaged kernel |
wholly or partially broken and insect-damaged kernel |
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kernel |
edible part of peanut |
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main kernel outlet |
outlet at which shelled kernel moves out of the machine |
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peanut sheller |
machine used to remove kernels from the shell by breaking/splitting the pods |
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pod |
unbroken shell with kernel inside |
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shell |
hull of the pod |
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shell outlet |
outlet at which shells come out of the machine in case of the machine with blower(s) |
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shelled kernels |
whole and damaged kernels freed from shell |
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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 |
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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 |
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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 |
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whole kernel |
unbroken and non-insect damaged kernel |