2016 Flashcards
The power rating classification for four standard light tractor
32 - 49 hp
Part of rice thresher which encloses the threshing cylinder and allows the separation of the grains from panicles
Concave
Ratio of the weight of grains that fell out from the machine during threshing operation, to
theweight of the total grain input of the thresher, expressed in percent
scattering loss
Ratio of the weight of grains that come out of the threshing chamber with the straw, to
the weight of total grain input of the thresher, expressed in percent
separation loss
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
Head rice
component of a rice mill that removes the hulls (palea and lemma) from the grains
huller
husker
dehuller
component of a rice mill that removes the bran in the brown rice
whitener
device of a rice mill, which removes the remaining bran on the milled rice and produces a
glossy appearance
polisher
What agricultural machinery are usually sold in the philippines
Power tiller
API
American Petroleum Institute
Point of which specific volume of sales which a firm neither makes or losses money.
Breakeven point
Layer of aggregate, soil-treated aggregate, treated soil, or soil aggregate that rests upon the subbase or if no subbase, upon the sub grade.
Base course
layer of the specified or selected materials of designated thickness in a pavement structure immediately above the sub-grade and below the base course
Sub-base
chamber wherein air pressure is developed for uniform distribution of the heated air through the grain mass
plenum
throw-in type thresher which allows the cut plants to move in HELICAL manner around the threshing cylinder with a net effect of moving the material axially between the feeding and discharge outlet
AXIAL FLOW THRESHER
type of thresher which detaches the grains by feeding the cut plants into the machine
THROW-IN THRESHER
throw-in type of thresher wherein cut plants are fed between the rotating cylinder and stationary concave and the threshed material/straw are discharged out of the threshing chamber TANGENTIALLY
THROUGH FLOW THRESHER
absence of oxygen
ANAEROBIC
substance that absorb heat through expansion and vaporization
REFRIGERANT
CPES
Constructors Performance Evaluation System
CIAP
Construction Industry Authority of the Philippines
process of converting water and carbon dioxide into sugar using chlorophyll and light energy, accompanied by the production of oxygen by green plants
Photosynthesis
response of plants to different day lengths or light period
Photoperiodism
Instruments used in weather forecasting
Wheather station
occurs when warm, moist air rises in the atmosphere
Convective precipitation
Precipitation which is caused by hills or mountain ranges deflecting the moisture-laden air masses upward, causing them to cool and precipitate their moisture
Orographic precipitation
occurs when warm, moist air is drawn into a low-pressure, cold front. The warm air rises as it is drawn into the low-pressure zone and is subjected to adiabatic cooling
Cyclonic precipitation
The amount of water withdrawn from irrigation and effective rainfall through evaporation from soil and water surfaces and transpiration from plants.
Evapotaranspiration
Lateral subsurface water movement.
Seepage
It is the ratio between the water delivered to the farm and water diverted from the source.
Water conveyance efficiency
The ratio between water stored in the soil root zone during irrigation and the water delivered to the farm expressed in percent.
Water Application Efficiency
The ratio of water beneficially used on the project, farm or field to the amount of water delivered to the farm expressed in percent.
Water-use Efficiency
The ratio of water stored in the root zone during the irrigation to the water needed in the root zone prior to irrigation, expressed in percent.
Water Storage Efficiency
The ratio of the normal consumptive use of water to the net amount of water depleted from the root zone soil.
Consumptive Use Efficiency
The hydrograph with a unit voulme of direct runoff for a given storm duration.
Unit hydrograph
A male or female ox under one year old.
Calf
Farming of aquatic organisms, freshwater or saltwater organisms including mollusks, crustaceans and aquatic plants.
Aquaculture
Type of climate in which rainfall are more or less evenly distributed throughout the year.
Type IV
Type of soil composed of 86% sand, 10% clay, and 4% loam.
Sandy clay loam
“Zero” is what kind of number?
Integer
Which of the following has the highest bearing capacity.
Rocks
Slope of small farm reservoir.
15
Instrument that measures relative humidity.
Hygrometer
Surveying bodies of water for purposed of navigation, water supply or subaqueous construction.
Hydrographic surveying
The scientific study of diseases and virus.
Pathology
A porous geologic formation that is capable of storing and transmitting water at sufficient quantities that permit economic development.
Aquifer
Type of precipitaion associated with the movemnet of air masses from high pressure to low pressure regionb.
Cyclonic precipitation
Filed capacity is the moisture content of the soil when the gravitational water has been remove. it coresponds to a soil moisture tension of _____ bar.
1/3
Define as the soil moisture content at which the plant permanently wilt. This moisture level corresponds to 15 bars of moisture tension.
Permanet wilting point
Sub main is laid in a depression and laterals join the submain from each side alternately. The land along the submain is double drained, but since it is in a depression, it probably requires more drainage.
Herringbone Pattern
The most efficient irrigation method.
Drip or trickle
The functional or behavioral response of an organism to changes of duration in daily, seasonal, or yearly cycles of light and darkness.
Photoperiodism
Plant bends or grows directionally in response to light.
Phototropism
Surveying instrument used for measuring horizontal and vertical angles, its telescope tube rest in a y-shaped supports. The telescope with the attached bubble
Engineers transit
Also known as an automatic level or builder’s level, is a tool used to determine the elevation of landmasses.
Dumpy level
Thickness of concrete for trapezoidal lined canal construction
0.25 m
Thickness of concrete for triangular lined canal construction
0.15 m
It is essentially a spirit level inside of a telescope. The device is generally used by grading contractors and land surveyors to compare multiple points against a reference point to get approximations of level or distance. Hand levels save time compared to setting up a tripod and leveling instrument.
Hand level
An instrument, consisting of a spirit level mounted under and parallel to a telescope, that can be rotated in its Y-shaped supports for adjustment.
Wye level
Established and permanent location, station or point on the ground on which the elevation is known
Benchmark
*A benchmark (B.M.) is a definite point on a permanent object which has a
known elevation and a known location. Temporary benchmarks, (T.B.M.)
are used many times to supplement permanent benchmarks.
It is is an intermediate point between benchmarks which
provides a temporary point of known elevation for a level circuit between
two benchmarks a long distance apart.
turning point (T.P.)
It is a rod reading taken at a point of known elevation,
such as a benchmark or turning point. Also known as plus
sight.
backsight (B.S.)
It is a rod reading taken on a point for which the elevation
is to be established. It is sometimes called a minus sight.
foresight (F.S.)
Measure of the central tendency which has the most number of observed occurrence
Mode
The middle number in an ordered dataset.
Median
The sum of all values divided by the total number of values.
Mean
Signal of the typhoon which gives 18 hourts natural disturbance
3
Air chamber under pressure ussually connected to one or more distributing ducts in a drying or aeration system.
Plenum
The housing shall be provided with lighting intensity of
200 lux
Slaughterhouse shall be located far from an used for human habitation, and from any factory, public road or public place at a distance of atleast _____ meters and should be free from dust, odor and smoke, and other contaminants.
200
The heat requirement for weaners.
30 °C
A kind of IC included as an important part of electronic intruments for gathering speed, velocity and discharge real-time data.
Timer
The sum of the difference in elevations of the liquid levels and surface pressures in both tanks.
Static head
The sum of the head losses in the pipelines, valves, fittings, and other components in the system.
dynamic head
The vertical distance between the pump centerline and the water level on the discharge side plus the friction headloss.
Dynami disharge head
The air moving device that is used to forced heated air through the mass of grains at the desired air flow rate and pressure.
Blower of Fan
Alley shall be provoded to bring the cattle from a pen or pasture to the holding pen. It shall be atleast ____ meters wide and shall be laid-out to provide a desired traffic flow.
3
A distance hydrograph resulting from a one unit depth of rainfall excess oa a specified
duration occurring uniformly over the watershed area
Unit Hydrograph
Movement of particles by a series of short bounces along the surface of the ground, and dislodging additional particles with each impact. The bouncing particles ranging in size from 0.1 to 0.5 mm usually remain within 30 cm of the surface. Depending on conditions, this process accounts for 50 to 90% of the total movement of soil by wind.
Saltation
The rolling and sliding of larger soil particles along the ground surface. The movement of these particles is aided by the bouncing impacts of the saltating particles. Soil creep can move particles ranging from 0.5 to 1 mm in diameter, and accounts for 5 to 25% of total soil movement by wind.
Soil creep
Fine particles less than 0.1 mm in size are moved parallel to the surface and upward into the atmosphere by strong winds. The most spectacular of erosive processes, these particles can be carried high into the atmosphere, returning to earth only when the wind subsides or they are carried downward with precipitation. Suspended particles can travel hundreds of miles.
Suspension
HACCP
Hazard, Analysis, Critical, Control, Point
Two pronounced seasons, dry from November to April and wet during the rest of the year.
Type I
No dry season with avery pronounced maximum rainfall from November to January.
Type II
Seasons not very pronounced, relatively dry from November to April and wet during the rest of the year
Type III
Rainfall is more or less evenly distributed throughout the year.
Type IV
Refers to porous geologic formation that is capable of storing and transmitting water at
sufficient quantities that permit economic development
Aquifer
Is a special formation that can store groundwater but can only transmit it at slow rates
Aquitard
Is a formation that contains groundwater but is not capable of transmitting it at sufficient
quantities
Aquiclude
Is a formation that can neither store nor transmit groundwater
Aquifuge
Type of precipitation that occurs as a result of convective heating of the ground
surface causing the warm and lighter air parcel to rise above the cold, denser surroundings thus causing
the lifting of the air mass which consequently leads to precipitation
Convective precipitation
Is the rainfall that is caused by the mechanical lifting of moist air masses over
mountain barriers consequently leading to precipitation near these elevated geologic barriers
Orographic precipitation
Type of rainfall that occurs when air masses converge into a low pressure area
resulting to their eventual ascension. A specific type of cyclonic rainfall is frontal precipitation, which
involves the meeting of a warm and a cold front.
Cyclonic precipitation
Is the ratio of the pore volume to the total bulk volume of the soil
Soil porosity
Is the ratio of the pore volume to the volume of the soil.
Void ratio
The ratio of water beneficially used on the project farm or field to the amount of water delivered to the
farm.
Water use efficiency
This system is used in rolling topography where drainage is necessary only in small valleys.
Natural System
Used if the entire area is to be drained and is usually more economic. Laterals enter the submain from one side only to minimize the double drainage that occurs near the submain.
Gridiron Layout
This system is often used if the bottom of the depression is wide since it reduces the lengths of the laterals and eliminates the break in slope of the laterals at the edge of the depression.
Double-main System
This is used if the main source of excess water is drainage from hill lands. The drains are placed along the toe of the slope to protect the bottom land.
Intercepting Drain
This system is adopted to minimize the exposure of the laterals to the hazard posed by root of trees which easily enter the open joints of underdrains. Mains and laterals were kept well away from trees.
Arrangement to avoid trees
Female cattle between two to three years of age which has not given birth.
Heifer
Overflow structure built across a river to raise the upstream water level in order to
facilitate the water diversion into the main canal by gravity
Diversion Dam
Installed at the head of the main canal, lateral, and main farm ditch to admit and regulate the flow into the canal
head gate/ head regulator/ intake structure
Installed immediately downstream of the junction of an irrigation canal to
raise the water level upstream in order to facilitate its diversion into the branching canal
Checkgate or cross regulator
Special intake structure that serves as an outlet of irrigation water into the main farm ditch or
service area
Turnout
Hydraulic structure that splits the flow from parent canal by at least 25%.
Flow divisor
Diverts the flow into one or more supplementary farm ditches
Division box
Built along supplementary farm ditch at the head of the internal farm ditch to control and
regulate the flow.
Offtake
Structure built at the tail end of the farm ditch to allow the safe entry of excess
irrigation water into the drainage canals
Endcheck or tail escape
Discharge measurement structure that constricts the flow by narrowing the width of the channel
section. The most common is the parshall flume – bridge for water irrigation
Weir
Structure that conveys water across and above natural depressions such as creeks or rivers
Bench Flume
A structure that conveys water across but underneath natural depressions
Inverted Siphon
Hydraulic structure that dissipates energy and connect mildly sloping irrigation
canals built along a steeply sloping land
Drop or Fall stru tures
Is the science of measurement and description of features which affect maritime
navigation, maritime construction, dredging, offshore oil exploration/offshore oil drilling and related
activities
Hydrographic survey
Are used to identify and map the contours of the ground and existing features on
the surface of the earth or slightly above or below the earth’s surface.
Topographic survey
Cost which do not change regardless of the volume of production. (Insurance and taxes on
facilities, general administrative salaries, license fees, interest costs on a given amount of barrowed
capital)
Fixed Cost
Cost which vary with the volume of production (the costs of material and labor used in a
product)
Variable Cost
Refers to the additional costs or revenue that will result from increasing the output of a
system by one or more units. It is also referred to as marginal cost
Incremental Cost
Often used to mean all expenditures that are not direct costs
Overhead cost
What diode is needed as protection against lighting in solar installation?
Bypass diode
It allows the flow of current from a solar panel to the battery but prevents/blocks the flow of current from battery to solar panel thereby preventing the battery from discharging.
Blocking diodes
For concrete road farm to market roads, the maximum slope from the centerline towards the ditch shall
1.5%
In farm to market road, the minimum radius of curvature for flat, rolling and mountainous terrains
respectively shall be.
500 m, 150 m, and 50 m
In bituminous farm to market road, what course is the third layer from the top?
aggregate subbase course
The process which results in the diffusion of substances from the region of high concentration to the region of
low concentration
mass transfer
It refers to the extent or degree by which the bran layer of the brown rice is removed as a result of whitening
Milling degree
The substance employed as heat absorber or cooling agent is called
Refrigerant
Type of flooring with openings to facilitate cleaning of the droppings in housing for layer production.
Slotted type
It is the ability of a rice mill to remove hulls without breaking
Coefficient of wholeness
Ratio of the total heat utilized to vaporize moisture in the material, to the amount of heat added to the drying
air
Drying efficiency
Mature male goat.
Buck
The sows and piglets remain in the farrowing house until the piglets are weaned. The weanlings are transferred
to a growing finishing house.
Two unit system
Minimum space requirements per animal for boar pens
7.5 m2
In the housing for swine production, the heat lamps shall be placed ____ above the sow.
152 mm
*762 mm above the floor
Method of greenhouse construction where modular roof units are connected at the eave by a common gutter.
Ridge and furrow greenhouse
Air circulation space requirement between sidewalls and benches in a greenhouse.
160 mm
Flammable gas derived from anaerobic fermentation of any organic matter especially animal manure or
manure biomass mixture.
Biogas
Linear water space requirement per 100 birds whose age are 4 weeks and below
2.5 m
A measure of quantity of heat that will raise the temperature of one pound of water one degree Fahrenheit.
BTU
The most efficient gas cycle
Carnot cycle
The ratio of the actual partial pressure exerted by the water vapor in any volume of air to the partial pressure
that would be exerted by the water vapor if the water vapor in the air is saturated at the temperature of the
air.
Relative humidity
Part of aerogenerators in wind farms that converts rotational movement to AC electricity.
Alternator
Combination of splash and sheet erosion.
Inter rill
Flow greater than the critical flow.
Supercritical flow
Type of flow wherein the discharge or flow in a prismatic channel is constant with respect to time.
Steady flow
Irrigation components, related to flow and head.
Head gates
It states the principle which governs the movement of fluid in the given substance. This equation describes the capability of the liquid to flow via any porous media like a rock.
Darcy’s Law
The recommended pressure head variation in the lateral between the first and the last sprinkler
more than 20% of the higher pressure
What do you call the mountain side, with reference to the wind direction in which the air masses passing
through it is cold and dry.
Leeward
The process in which the impeller of a centrifugal pump is fully sub-merged into the liquid without any air trap inside.
Priming
National Building Code of the Philippines
PD 1096
A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet.
Atomization
Many marketers compete to sell similar products & emphasize on the strategy of differentiation.
Monopolistic
competition
The space inside the cylinder when the piston is at the top dead center position.
Clearance Volume
Tools used to make holes or change the size or shape of holes.
Boring Tools
