2016 Flashcards
Ratio of the drawbar power developed by the machine to the axle power
traction efficiency
Head agency of AFMech in terms of Research, Development and Extension Network
PhilMech
Darcy’s Law of flow equation is only applicable in what type of fluid flow
laminar
IR 64 is a rice variety under
Indica
Quarter sawed lumber is best suited for finishing flooring because?
minimum shrinkage
Type of motor where loop winding is parallel with the armature
shunt-wound motor
it has the field and armature circuits connected in series
series-wound motor
a hybrid between series wound and shunt wound motor designs
compound-wound motor
Material in greenhouse that is less expensive, resist rainfall and use less reinforcement
polyethylene
Peanut Sheller Recovery
93%
Peanut Sheller Efficiency
95%
The minimum noise level outside the slaughterhouse during nighttime
45 dB
The minimum space requirement for buck/ram using slotted floor type.
2.5 m2
The minimum space requirement for layers above 22 weeks using slotted floor type.
9 m2/100 birds
Terrace used on moderate slope (6-8%)
Broad based terrace
Standard deviation is the square root of __________
variance
The pressure of the soil at field capacity is
1/3 atm
The pressure of the soil at PWP
15 atm
A standard rain gage is used to measure the rainfall in a certain place. The outer tube used to catch the rainfall is how many times bigger than the inner tube?
10 times
pH value of biogas
7 - 8.5
mesophilic temperature range
20 deg C - 40deg C
What is the value of the diameter of the seal of a registered Agricultural Engineer which inscribed by a
circle
42 mm
What will be the penalty of an agricultural engineer or foreign AE allowed to practice agricultural
engineering in the Philippines if he is found to have committed any of the ff.
a. use or perpetuation of any fraud or deceit in obtaining a certificate of registration
b. Incompetence
c. Negligence
d. Abetting the illegal practice of agricultural engineering and
e. Violations of any provisions of RA 8559, its implementing rules and regulations,code of ethics and
professional standards for agricultural engineers, and the policies adopted by the board.
Grounds for the revocation or Suspension of Professional License
PAES 415:2001 Greenhouse. method of greenhouse construction where modular roof units are connected
at the eave by a common gutter
ridge and furrow greenhouse
Radius of Curvature ..The minimum radius design for curvature shall be ___ meters
for flat terrain, ___ meters for rolling terrain and ____ meters for mountainous terrain.
500, 150, 50
PAES 421:2009 FMR. Type of Roadside ditch that easily be constructed and requires less right-of-way shall be determined by considering the intended purpose, terrain, flow velocity and quantity of flow to be conveyed and intended primarily for low flow conditions such as in median and roadside ditches
Triangular V-Ditch
PAES 413:2001. Biogas Plant mixture of gas (composed of 50 to 70 percent methane and 30 to 40
percent carbon dioxide) produced by methanogenic bacteria
biogas
housing for goat and sheep. Lighting intensity requirement for the house of goat and sheep
200 lux
PAES 210:2000. Cornmill milled corn kernels with particle size between 0.86 mm to 1.09 mm
grit # 18
PAES 210:2000. Cornmill milled corn kernels where the outer covering and germs have been removed and with particle size of not less than 0.86 mm
corn grits
PAES 210:2000. Cornmill milled corn kernels with particle size between 1.8 mm to 2.0 mm
grit #10
PAES 210:2000. Cornmill ratio of the weight of corn grits, to the total weight of corn kernel input, expressed in percent
main product recovery
PAES 201:2000. Heated Air Mechanical Grain Dryer. dryer in which the products of combustion do not come in contact with the products being dried
indirect-fired dryer
PAES 201:2000. Heated Air Mechanical Grain Dryer batch type dryer wherein a fixed volume of grain is
held stationary in a vertical grain holding bin
vertical bin type
PAES 201:2000. Heated Air Mechanical Grain Dryer ratio of the total heat utilized to vaporize moisture in the material, to the amount of heat added to the drying air expressed in percent
heat Utilization efficiency or drying efficiency
Waste Management Structure: Level of Bio-Chemical Oxygen Demand
<150
AWG sizes that equal to 10,000 circular mils.
AWG#10
Area covered by 1 gallon of acrylic paint for the first coating
20m2
Area covered by 1 gallon of acrylic paint for the second coating
25m2
1st coating - 1gal - 20m2
2nd coating - 1 gal - 25m2
smooth to fine = 40 m2/gal
Fine to coarse = 35 m2/gal
Coarse to rough = 30 m2/gal
Operating pressure classification of sprinkler
Low <150 kPa
Medium - 150 kPa to 350 kPa
High >350 kPa
Radius of throw classification of sprinkler
Small < 5m
Medium - 5m to 50m
High >50 m
Discharge classification of sprinkler
Small <0.5 m3/h
Medium - 0.5 m3/hr to 50 m3/hr
Large >50 m3/hr
Application rate classification of sprinkler
Low < 5mm/hr
Medium - 5mm/hr to 15 mm/hr
High > 15mm/hr
Trajector Angle classification of sprinkler
very low <10 degrees
low - 10 deg to 25 deg
normal - 25 deg to 28 deg
It refers to the composite parts of the irrigation system that divert water from natural bodies of
water such as rivers, streams and lake
Headworks
The International Soil Science Society describes sand as a soil particle with a diameter of
0.02 mm to 2 mm
The locus of the elevation to which water will rise in a piezometric tube.
hydraulic gradient
Surface irrigation method where a much smaller area is enclosed by levees
basin flooding
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 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 between the water delivered to the farm and the water diverted from a river or reservoir expressed in percent
Water conveyance efficiency
The sum of total static head, pressure head, velocity head and friction head.
Total dynamic head
The water is directed to the base of the plant. Water is applied to the soil through small orifices
Drip or Tickle Irrigation
The surface is rarely wet since the water is supplied from the soil underneath.
sub-irrigation
It is accomplished by running water through small channels or furrows while it moves down or across the slope of the field
furrow irrigation
In Earth embankment, on structures less than 15 m high with average materials, the side slopes should be steeper than_____on the upstream face
3:1
In Earth embankment, on structures less than 15 m high with average materials, the side slopes should be steeper than_____on the downstream face
2:1
Caused by the rising of warmer, lighter air in colder, denser surroundings
convective precipitation
The type of surveying that takes into account the true shape of the earth. These surveys are of high precision and extend over large areas
geodetic surveying
The survey of bodies of water made for the purpose of navigation, water supply, or sub-aqueous construction
hydrographic surveying
The type of surveying in which the mean surface of the earth is considered as a plane, or in which its spheroidal shape is neglected, with regard to horizontal distances and directions
Plane Surveying
Consist of counting the number of steps in a required distance
pacing
Measure relative humidity in air or An instrument used to measure temperature and water in the atmosphere or surrounding
hygrometer
is a device that measures solar irradiance coming directly from the sun. The SI units of irradiance are watts per square metre (W/m²).
pyrheliometer
measures fluid flow velocity
pitot tube
Measure Specific Gravity
hydrometer
In this system the sows and piglets remain in the farrowing house until the piglets are weaned
two-unit system
Minimum ventilation rates under normal condition for farrowing units (sow and litter)
0.28 m3/min
Minimum space requirement for cattle feedlot
shed area - 4 m2/animal
loafing area - 5 m2/animal
When the dry bulb and wet bulb temp. are equal
saturation temperature/100% humidity
Irrigation system used for row crop where only a part of the surface is wetted
furrow irrigation
The ISSS describes sand as soil particle
0.05 mm - 2.0mm
Silt - 0.05mm - 0.002 mm
Clay - under 0.002 mm
The ratio of the water diverted from the source to the water delivered to the farm
conveyance efficiency
The principal law that serve as basis of the heat transfer by radiation
Stefan-Boltzmann
Conduction - Fourier’ Law
Convection - Newton’s Law of Cooling
National Building Code of the PH
RA 6541 & PD 1096 (1970-1972)
RA 8559
AE LAW of 1998
An instrument used to measure the velocity of air
Anemometer
A branch ckt. of 20 A has how many allowable outlets
10-12
for 15 A, 8-10 outlets
The kinds of flow of air in a centrifugal types of fan
Radial
F1 generation is called
1st filial generation while F2 2nd filial generation, mating of F1 generation indviduals
A hydrograph of direct runoff for one unit depth
unit hydrograph
The Green Ampt Equation is use for computing
infiltration rate and cumulative infiltration
In economics extreme elasticity where even if you do not change the price there is a change in demand
perfectly elastic
In AUTOCAD cutting the edge of a square smoothly to become a circle is called
Fillet
Erosion control management where in close growing crops in the same field oriented across the slope
Contour Farming
A crop which is planted in short duration before the crop is to be harvested
Relay crop
Type of precipitation associated with the movement of air masses from high pressure regions to low pressure regions
Frontal/Cyclonic Precipitation
The hydrologic cycle by which water return to the atmosphere through plant tissues
Transpiration
How many years of suspension if you are practicing the profession yet your licensed is expired/
5 years
Cooperative code of the Philippines
RA 9520
Main component of crude oil
hydrocarbon
Synthesis gas is composed of
H2 & CO
distance measured from the wing of share to the point of share
width of cut
n SFR, what is the maximum height of earth embankment
5m
Pond area - 1500 m2
represents the incremental costs incurred when producing additional units of a good or service
marginal cost
top width in SFR
The width of the crest (Bt) can range from 2m to 3m.
In horticulture, it is the removal or reduction of parts of a plant, tree, or vine that are not requisite to growth or production, are no longer visually pleasing, or are injurious to the health or development of the plant
Pruning
slope of SFR
The inside slope (IS) shall be equal to 3:1 (H:V) while the outside slope (OS) shall be equal to 2:1.
Minimum floor space requirement for goats and sheep
in intensive production
solid floor - 3 m2/animal
slotted floor - 2.5 m2/animal
Slope of concrete carriageway in FMR
1.5%
Ranch slope
Land with a slope of not more than 58% shall be used
In hot weather, combustion fails to occur because the liquid fuel has changed to a gaseous fuel in the fuel lines, rendering the fuel pump ineffective and starving the engine of fuel. This phenomenon is known as:
vapor lock
Greenhouse gases are those that can absorb and emit infrared radiation. This process fundamentally causes the greenhouse effect. Which of the gases below is not considered a greenhouse gas?
a. water vapor
b. carbon dioxide
c. nitrogen
d. ozone
nitrogen
It is an alternative fuel for internal combustion and other engines, either in combination with gasoline or in a more or less pure form. It can be produced by destructive distillation of wood. Ingestion of some amount can cause blindness or fatal if untreated.
a. wood alcohol
b. methanol
c. methyl alcohol
d. all of the above
AOTA
In the discharged state both the positive and negative plates of a lead-acid battery transform into this substance as the electrolyte loses much of its dissolved sulfuric acid and becomes primarily water
a. sponge lead
b. lead sulfate
c. lead oxide
d. metallic lead
lead sulfate
t is a colorless, odorless, and tasteless gas which is toxic to humans and animals when encountered in higher concentrations. It is produced from the partial oxidation of carbon-containing compounds and can be used as fuel for internal combustion engines.
carbon monoxide
It is an air compressor, powered by an exhaust gas turbine, used for forced induction in an internal combustion engine.
turbocharger
It is one of the simplest wind turbines. Aerodynamically, it is a drag-type device, usually rotates in a vertical axis and has an S-shape cross section
savonius
It is a mechanical device which regulates the speed of rotation of an engine by controlling the amount of supply of fuel according to the load.
governor
It is the general indicator of the size of an engine. It represents the total air displaced by the pistons in all of an engine’s cylinders and is expressed in liters, cubic centimeters or cubic inches.
a. piston displacement
b. engine volume
c. cylinder bore
d. cylinder volume
piston displacement
It is a lobed shaft which usually runs parallel to the crankshaft. Its rotation effects the opening and closing of the intake and exhaust valves of an engine.
camshaft
A fuel-air mixture containing a low percentage of fuel and a high percentage of air, as compared to a normal or rich fuel-air mixture.
lean mixture
It is a kind of piston ring located at the bottom of the piston. It allows oil to pass through to lubricate the cylinder walls.
oil ring
It is a measurement of the combustion quality of diesel fuel during ignition. Fuels with higher ratings have shorter ignition delays, providing more time for the combustion process to be
completed. Engine operates well within the rating range of 40-55 while premium fuels can have as high as 60.
cetane
It is the unit of power equivalent to that of raising a mass of 75 kilograms against the earth’s gravitational force over a distance of one meter in one second.
watt
Which one below is not a function of a lubricant?
a. lubricating function
b. sealing function
c. cooling function
d. cleaning function
e. none of the above
NOTA
It is the term use to describe the process of removing plants with unwanted characteristics, small and undesirable plants.
a. culling
b. rouging
c. weeding
rouging
Pitot tube is an instrument used to determine what characteristic of fluid
velocity
Darcy equation is used only to what type of flow?
steady
An instrument that measures the intensity of sunshine radiation received at the earth’s surface.
pyrheliometer
Almost 47% of the total drainage goes to what part of the world?
a. Pacific Ocean
b. Indian Ocean
c. Atlantic Ocean
d. Southern Ocean
Atlantic
What do you measure when using a coordinate method?
a. area
b. slope
c. elevation
d. distance
area
It refers to the composite part of the irrigation system that divert water from natural bodies of water such as river, stream and lakes.
headworks
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
How many ft of water are there in atm?
33.93
It is the term used to piglets in one farrowing.
litter
A division in the biogas digester that prevents slurry from premature exit into sludge/outlet tank.
baffle board
It is the residue that comes out at the digester after the substrate is digested/ processed inside the digester.
effluent
Field Capacity can retain water against a tension of how many atmospheres?
1/3
Second important reason for cross breeding. The term is used to explain the fact that hybrids or crossbreed are usually better off and more vigorous than their parents.
heterosis
type of terracing with 6-8 % slope.
broad
It consists of filling the casing with water so that air trapped in the pump does not hinder its operation and reduce efficiency
priming
According to USDA soil classification, 0.1 mm is categorized as:
fine sand
very coarse sand: 2-1 mm
coarse sand: 1-0.5 mm
medium sand: 0.5-0.25 mm
fine sand: 0.25-0.1 mm
very fine: 0.1 mm - 0.05 mm
silt: 0.05-0.002 mm
clay < 0.002 mm
A type of survey that deals with the contour of the surveyed location.
topographical survey
A type of survey that delineates building…..
physical survey
In measuring distance between two points with an obstruction, what should be the method/s to be used?
a.parallel
b. sway
c.similar trangle
d. all of the above
similar triangle
A method of measuring evaporation that uses climatological data
Blaney-Cridle
A method of measuring evaporation that uses energy
Penman
What is the API of a premium gasoline?
62 (UP reference)
59 (from other reference)
regular gasoline - 60 (UP)
diesel - 35 (UP)
In PAES 204, Mechanical Rice Thresher, what is the threshing efficiency?
a. 87%
b. 97%.
c. 70%
d. 98%
Based on PAES 204:
Recovery - 97%
Threshing eff - 99.8%
What is the shape of Agricultural Engineers seal?
circle, 42 mm
In PAES 123, Seeder and Planter – Methods of Test, the minimum test trial for manual seeding implement is:
a. atleast 1000m2
b. not less than 2500 m2
c. not less than 500 m2.
d. atleast 100m2
not less than 500 m2
Pto shafts delivers what type of power?
a. brake power
b. indicated power
c. pto power.
d. rated power
pto power
A levy based upon the weight, quantity or the physical characteristics of the imported/exported merchandized.
specific tarrif
threshing cylinder
threshing drum
It is the major component of crude oil.
hydrocarbon
it is a dimensionless number which approximates the ratio of the buoyancy to viscous forces acting on a fluid.
Grashof number
it is a dimensionless quantity that is used to determine the type of flow pattern as laminar or turbulent while flowing through a pipe
Reynold’s number
the ratio of thermal diffusivity to mass diffusivity.
Lewis number
continuous flow dryer wherein the product being dried moves in the same direction as drying air
concurrent flow type.
is a variation of the three-phase induction motor, designed to provide high starting torque for loads with high inertia, while requiring very low current.
wound rotor
Percent damage of Peanut Sheller
3.5%
The diameter of tree will be measured at the height of 1.4 meters above the ground. Trees less than _ in diameter will not be measured for payment
0.15 m
In lateral and sub-lateral canal where the available roadway width is 3 meters, the carriageway width shall be _ meters and the shoulder width shall be __ meters.
2m, 0.5m
In rubber for rice mill, the rubber shall have a minimum thickness
15 mm
in autocad, what is UCS
user coordinate system
For concrete, the maximum slope shall be _ from the center line towards the ditch
1.5%
The 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
The milking parlor shall be located close to the confinement to optimize animal flow.The minimum distance of the milking parlor shall be __ away from lactating barn
30 m
Warehouse Dimension for 10,000 cavans
10mx 30m
Minimum ventilation rates under normal condition of farrowing unit
0.28
