Random Questions Flashcards
Scientific name for the domestic horse.
Equus caballus
Scientific name for the domestic water buffalo
Bubalus bubalis
Scientific name for the domestic pigeon
Columba livia domestica
Formula of solving the brake horse power needed to pump the water
BHP = QxH/3960xEff
Where: Q is in gal/minutes
H is in foot
Process by which egg-laying animals deposit their eggs outside their body into an external environment.
Oviposition
Process in which a mature egg (or ovum) is released from the ovary into the fallopian tube, where it may be fertilized by sperm.
Ovulation
Formula of getting the radius of the circle when angles are given.
R= a/ 2sinA
Impregnation and fertilization in animals is called
Fecundation
The process of swallowing, which involves the movement of food or liquids from the mouth to the stomach.
Deglutition
The process of eliminating waste material (feces) from the digestive tract through the rectum and anus.
Defecation
Recommended length of light hours from growing chickens to delay sexual maturity
14-16 hrs/day
A type of weed that looks similar to rice
Grass
It is known for its adaptability to wet and marshy conditions, making it a common species in wetlands and areas with abundant water, like floodplains or along riverbanks. scientific name Brachiaria mutica
Paragrass
Reduction of water levels as a result of pumping or extraction
Drawdown
The long-term decrease in the level of groundwater within aquifers, typically resulting from excessive or unsustainable extraction rates, coupled with insufficient natural recharge.
Groundwater decline
A graphical representation of the reduction in water level (drawdown) over time or distance in a well or aquifer as a result of water extraction, typically through pumping.
Drawdown curve
Progeny of crossing between different species
Hybrid
The non-toxic insecticide has this band color on its label
Green
Red- highly toxic
Yellow - moderately toxic
Blue - slightly
Green
The term head is often used to mean
Energy
Is tasks to quarantine
Government agency responsible for regulating and managing the quarantine of plants, plant products, and plant-related materials to protect the country’s agricultural industry from pests, diseases, and invasive species.
Bureau of Plant Industry (BPI)
FPA stands for
Fertilizer and Pesticide Authority in the Philippines
IRRI stands for?
International Rice Research Institute
Plants that have adapted to survive in environments with very little water, such as deserts, semi-arid regions, or other dry habitats.
Xerophytes
These plants are primarily found in moist environments due to their lack of vascular tissue, which means they rely on water for reproduction and nutrient transport.
Bryophytes
Also known as seed plants, are a diverse group of vascular plants that produce seeds as their reproductive structure. They are the most advanced and dominant group of plants on Earth, encompassing the majority of the plant kingdom.
Spermatophytes
An organization that focuses solely on product orientation without taking into account the need for customer benefits or understanding of culture involved in the exchange process suffers from marketing
Myopia
When the infectivity of the female vector is transferred to its offspring there is.
Transovarial passage
Refers to the interruption or prevention of the transmission of pathogens or other substances from a female organism to her offspring via the ovaries. This term is primarily used in the context of vector-borne diseases.
Transovarial blockage
Refers to the ability of a pathogen to persist within a vector as it undergoes different life stages (stadia) in its development.
Transtadial Passage
Opposite - Transtadial blockage
Refers to the application of liquid solutions, such as water, fertilizers, pesticides, or micronutrients, directly onto the leaves of plants
Foliage spray
A hydraulic shock which occurs when water flowing through a pipe undergoes a sudden change in velocity is called
Water hammer
Is the formation and collapse of vapor-filled bubbles in a liquid due to changes in pressure.
Cavitation
A type of water pump that uses the energy from flowing water (typically a stream or river) to pump a portion of that water to a higher elevation without the need for external power sources like electricity or fuel.
hydraulic ram
The minimum trajectory angle for sprinkler.
Answer: 10-25 degrees
Allowable percentage depletion of most crops.
Answer: 50%
Soil moisture tension with 15 atmospheres.
Answer: Permanent wilting point
Basic irrigation method for lowland farming.
Answer: Basin irrigation
Irrigation method with high cost but low operation cost.
Answer: Overhead irrigation
Laterals enter the submain from one side only to minimize the double drainage that
occurs near the submain.
Answer: Gridiron layout
Depth of shallow tube well.
Answer: 20 m or 60 ft
Equation for evapotranspiration computation.
Answer: Penman-Montieth Equation
A hydrograph with a unit volume of direct runoff for a given storm duration.
Answer: Unit hydrograph
Combination of splash and sheet erosion.
Answer: Inter rill
Irrigation components, related to flow and head.
Answer: Head gates
Uses a thin wall of plastic, butyl, concrete, steel or wood to barrier against seepage
through the wall.
Answer: Full Diaphragm Type
Standard height of an earth embankment.
Answer. (not exceeding )15 meters
Measures atmospheric humidity.
Answer. Hygrometer
An instrument used to determine the wind speed.
Answer. Anemometer
Is a constitutive equation that defines the flow of a fluid through a porous medium
Darcy’s Law
A thin film of soil layer detached and transported by water flowing on the land surface.
Answer. Sheet Erosion
The type of surveying in which the surface of the earth is considered as a plane, or in
which its spheroidal shape is neglected, with regard to horizontal distances and
directions.
Answer. Plane Surveying
The recommended pressure head variation in the lateral between the first and the last
sprinkler.
Answer. 20%
Is the process of removing air from a pump and suction line by filling the pump with the liquid being pumped forcing all the air, gas, or vapor contained in the passage ways to escape.
Pump Priming
Earth Embankment. Wave height computation formula
h = 0.014 (Df2)
Df = fetch or exposure, m
Soil property which describes the ability of the soil to transmit water.
Answer. Hydraulic Conductivity
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.
Answer. Leeward
The equation used in current meters is V= a + bN. What does a signifies?
Answer. Starting velocity
The International Soil Science Society describes sand as a soil particle with a diameter of
Answer: 0.02 mm to 2 mm
According to USDA- 0.02 mm-0.05
The locus of the elevation to which water will rise in a piezometric tube.
Answer: Hydraulic gradient
Surface irrigation method where a much smaller area is enclosed by levees
Answer: Basin Flooding
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.
Answer: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
Answer: Water Application Efficiency
The ratio between the water delivered to the farm and the water diverted from a river or reservoir
expressed in percent.
Answer: Water Conveyance Efficiency
The sum of total static head, pressure head, velocity head and friction head.
Answer: Total Dynamic Head
In Earth embankment, on structures less than 15 m high with average materials, the side slopes should
be steeper than_____on the upstream face
Answer: 3:1
In Earth embankment, on structures less than 15 m high with average materials, the sideslopes should
be steeper than_____on the downstream face.
Answer: 2:1
Radius of throw sprinkler classification
small (less than 5 m)
medium (in between 5 m to 50 m)
large (greater than 50 m)
Classification of sprinkler based on Operating pressure
low (less than 150 kPa)
medium (between 150 kPa to 350 kPa)
high (greater than 350 kPa)
Classification of sprinkler based on Discharge
small (<0.5 m³/h)
medium (0.5 m³/h to 50 m³/h)
large (>50 m³/h)
Trajectory angle classification of sprinkler
very low (less than 10°)
low (between 10° to 25°)
normal (25° to 28°)
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
Answer: Geodetic Surveying
The survey of bodies of water made for the purpose of navigation, water supply, or sub-aqueous construction
Answer: Hydrographic Survey
Measure relative humidity in air or An instrument used to measure temperature and water in the atmosphere or Surrounding .
Hygrometer
Measurement for static velocity
Pitot tube
Measure Specific Gravity
Answer: Hydrometer
Aggregates pig in 1 birth farrowing
Answer : Litter
Pair of dice. Probability that the sum of the result is 10.
Answer: 1/12
Three lines for command.
Answer: Command area
Area where arrow cursor can be viewed.
Answer: View area
Area where the cursor is at the current position.
Answer: Drawing area
