HIGHPRIO.8 Flashcards
An equation or method used in the estimation and representation of
evapotranspiration rate.
a. Hargreaves equation
b. Horton’s equation
c. Lewis-Kostiakov equation
d. Rational equation
a. Hargreaves equation
Characterized by a nearly uniform decrease in temperature with height, most weather changes are limited here
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere
a. Troposphere
The number of crops grown per annum on a given area of land.
a. cropping index
b. planting density
c. yield index
d. relative yield
a. cropping index
A type of flow where the discharge passing a given cross section of a
stream is constant with time .
a. Turbulent flow
b. Laminar flow
c. Steady flow
d. Uniform flow
d. Uniform flow
Scientific name of pullet.
a. Gallus gallus
b. Anas platyrhynchus
c. Cairina moschata
d. Columbia livia
a. Gallus gallus
The time rate at which water will percolate into the soil is
a. Intake rate
b. Infiltration rate
c. Permeability
d. NOTA
b. Infiltration rate
When laterals of a sprinkler irrigation system run ___(X)___, the
pressure in the lateral ___(Y)___ because of friction and because of the change in elevation.
a. X = uphill; Y = increases
b. X = downhill; Y = drops
c. X = uphill; Y = drops
d. a or b
c. X = uphill; Y = drops
The velocity of flow into the soil caused by a unit hydraulic gradient
in which the driving force is 1 kg/kg of water.
a. Intake rate
b. Infiltration rate
c. Permeability
d. NOTA
c. Permeability
Ananas comosus is commonly known as:
a. santol
b. soursop
c. pineapple
d. guyabano
c. pineapple
If the operating pressure of a sprinkler nozzle is doubled but the
diameter remains the same, what will happen to the discharge?
a. double
b. eight times as great
c. increase by 41.4%
d. four times as great
c. increase by 41.4%
The fraction of the irrigation water that must be leached through the
root zone to control soil salinity at specific level
a. Percolated water
b. Available moisture
c. Field capacity
d. Leaching requirement
d. Leaching requirement
It is the time required for water to flow from the most remote point of
the water shed to the outlet
a. Time to peak
b. Recession time
c. Lag time
d. Perennial time
a. Time to peak
The equation used in current meters is V= a+bN. What is b signifies?
a. Starting velocity
b. Bed slope
c. Y-intercept
d. Number of revolution
a. Starting velocity
A campaign against the importation of genetically-mutated organisms is
done by some organizations of local growers. What marketing management task is employed?
a. remarketing
b. countermarketing
c. conversional marketing
d. synchromarketing
b. countermarketing
The moisture content of the soil when the gravitational water has been removed.
a. Available water
b. Field capacity
c. Permanent wilting point
d. Readily available moisture
b. Field capacity
The product of Available Moisture to the Percent Moisture Depletion
a. Moisture Allowed Deficit
b. Readily Available Moisture
c. Available Moisture
d. NOTA
a. Moisture Allowed Deficit
The sum of irrigation requirement and farm ditch losses
a. Crop water requirement
b. Farm water requirement
c. Diversion requirement
d. Irrigation water requirement
b. Farm water requirement
The capacity of rainfall to effect the detachment and transport of soil
particles:
a. Erodability
b. Effectivity
c. Erosivity
d. Conductivity
c. Erosivity
Static water level is the level at which the water rests in a well
before pumping. On the other hand, pumping water level is the level at which water stands in a well when pumping at any given rate. What do you all the difference between the two water levels?
a. depression
b. specific yield
c. drawdown
d. coefficient of storage
c. drawdown
It is the difference between field capacity and wilting point
a. Moisture Allowed Deficit
b. Readily Available Moisture
c. Available Moisture
d. NOTA
c. Available Moisture
How does a gully develop?
i. stabilization stage
ii. channel erosion by downward scour of the topsoil
iii. healing stage
iv. upward movement of gully head and enlargement of the gully width
a. ii, iv, i, iii
b. iv, ii, iii, i
c. ii, iii, iv, i
d. ii, iv, iii, i
d. ii, iv, iii, i
75% of the available moisture
a. Moisture Allowed Deficit
b. Readily Available Moisture
c. Available Moisture
d. NOTA
b. Readily Available Moisture
Which best describes red soil?
a. contains plenty of iron with good drainage
b. poor in organic matter
c. low in fertility and poor in drainage
d. very rich, particularly high in nitrogen
a. contains plenty of iron with good drainage
Uniform removal of soil in thin layers from sloping land resulting from
over land flow
a. Stream channel erosion
b. Rill erosion
c. Gully erosion
d. Sheet erosion
d. Sheet erosion
These are pipelines built on or near the ground surface to convey water
across wide depressions
a. Inverted siphons
b. Siphons
c. Laterals
d. Flumes
a. Inverted siphons
It is the ratio of the dry weight of soil particles to the weight of an
equal volume of water
a. Particle density
b. Bulk density
c. Real specific density
d. Apparent specific gravity
c. Real specific density
It is a process of destroying most disease-producing microorganisms and limiting fermentation in milk subjected to heating for a definite time at a definite temperature and thereafter cooling it immediately.
a. evaporation
b. pasteurization
c. homogenization
d. fabrication
b. pasteurization
Farm turnout requirements plus conveyance losses in the main canal and
lateral up to the farm turnout.
a. Crop water requirement
b. Farm water requirement
c. Diversion requirement
d. Irrigation water requirement
c. Diversion requirement
The wastes resulting from the production and processing of crops and animals of agricultural products, including manures with at least 20% solids, pruning and crop residues wherever produced.
a. biomass
b. agricultural solid waste
c. sludge
d. volatile solids
b. agricultural solid waste
The sum of evapotranspiration and percolation losses
a. Crop water requirement
b. Farm water requirement
c. Diversion requirement
d. Irrigation water requirement
a. Crop water requirement
The relative proportion of sand, silt and clay determines the:
a. Soil texture
b. Soil structure
c. Soil profile
d. Soil taxonomy
a. Soil texture
This is the highest classification of coastal and marine water. Water
is deemed suitable for growing fishes and shellfishes for commercial
purposes. The water can even be classified as tourist zone or a national
marine park. What is this water classification?
a. SC
b. SB
c. SA
d. IA
c. SA
In the Soil Conservation Service method (curve number method), if the
curve number is 100, this indicates that
a. Rainfall is equal to runoff
b. Runoff is zero
c. Rainfall is less than runoff
d. Rainfall is highly erosive
a. Rainfall is equal to runoff
The rate of decrease of temperature with the increase in elevation is
called.
a. updraft
b. Lapse rate
c. Convention rate
d. Deflection rate
b. Lapse rate
These are crops planted too late for regular crops after regular crops
have failed on the account of unfavorable weather conditions.
a. cover crops
b. catch crops
c. companion crops
d. cash crops
b. catch crops
A type of cropping system where in different crops are planted in an
area one after the other each season.
a. Strip cropping
b. Cropping pattern
c. Mixing cropping
d. Relay cropping
d. Relay cropping
Process of removing air in the suction line of the water pump.
a. back flow
b. priming
c. cavitation
d. suction
b. priming
Using the float method in determining the velocity of water in a channel, the float velocity in relation the average water velocity is:
a. Equal to the average water velocity
b. Less than the average water velocity
c. Greater than the average water velocity
d. No relation at all
c. Greater than the average water velocity
This refers to wants for specific satisfiers backed up by an ability
and willingness to buy them.
a. need
b. want
c. demand
d. value
c. demand
In discharged measurement, the readings in the staff gage are useless without this:
a. Synthetic hydrograph
b. Rating curve
c. Unit hydrograph
d. Matching curve
b. Rating curve
Modification of copping system such as crop rotation and mixed cropping
a. Cropping systems
b. Contour cultivation
c. Mulching
d. Strip cropping
a. Cropping systems
A type of terrace usually used for 9-24% slope characterized by
breaking the slope at certain intervals by a ridge and a flat portion to trap runoff.
a. Bench terrace
b. Broad based terrace
c. Zingg terrace
d. Manning’s terrace
c. Zingg terrace
A type of terrace usually used for 25-30% slope characterized by
construction of series of platforms along the contours cut into the hill
slope in a step like formation
a. Bench terrace
b. Broad based terrace
c. Zingg terrace
d. Manning’s terrace
a. Bench terrace
In frequency analysis, most hydrologic processes follow this process. This process governed by chance and time dependent. What type of process is this?
a. Deterministic Process
b. Stochastic Process
c. Probabilistic Process
d. Hydrolistic process
b. Stochastic Process
Under microirrigation system, water is applied:
a. below the root zone
b. at low flow rates
c. at high pressure
d. over short period of time
b. at low flow rates
The sheet of water which overflows a weir.
a. Nappe
b. Weir pond
c. Overflow
d. Discharge
a. Nappe
Removal of impurities inside the pipes.
a. flushing
b. fertigation
c. brushing
d. air compressing
a. flushing
The rate of infiltration from a furrow into the soil is
a. Intake rate
b. Infiltration rate
c. Permeability
d. NOTA
a. Intake rate
The amount of moisture present in the soil (mc) given the percent AM
content retained or used and the FC and PWP moisture contents of the soil can be computed using the equations:
a. Computation of moisture content
b. Readily available moisture (RAM)
c. Available moisture (AM)
d. Permanent wilting point (or wilting coefficient)
a. Computation of moisture content
The following are the functions of drainage, except:
a. decreases the depth of root zone
b. improves soil ventilation
c. facilitates early plowing and planting
d. increases water infiltration into soil
a. decreases the depth of root zone
Groundwater discharge into a stream due to deep percolation of the
infiltrated water into groundwater aquifers
a. Groundwater surface runoff
b. Groundwater subsurface runoff
c. Groundwater runoff
d. Groundwater runoff volume
c. Groundwater runoff
Which is not an advantage in using isohyetal method in determining
average rainfall over an area?
a. It utilizes stations outside the basin.
b. It is easy at a glance to see rainfall pattern.
c. It is subject to only slight errors in computation.
d. It is possible to account for topography
c. It is subject to only slight errors in computation.
Is the elevation above some arbitrary zero datum of the water surface
at a station along a river or stream.
a. Stilling basin
b. Staff gage
c. River stage
d. Hydrology
c. River stage
Which does not belong to the group?
a. detention dams
b. SWIP
c. CIS
d. SFR
c. CIS
Consist of growing alternate strip of clean cultivated and closegrowing crops in the same field oriented across the slope.
a. Graded terrace
b. Relay cropping
c. Multi cropping or mixed cropping
d. Strip cropping
d. Strip cropping
If soil sample is compacted.
a. Its mc decreases
b. Its porosity remains the same
c. Its nutrient content diminishes
d. Its bulk density increases
d. Its bulk density increases
It is the measure in difference in the ground level between two places in the field and referred to as percentage. It is the number of meter difference in elevation for each 100 m horizontal distance
a. Velocity
b. Discharge
c. Land slope
d. Sides slope
c. Land slope
A vertical section through the soil mass where significant changes in
soil texture and structure with depth are observed is:
a. Soil texture
b. Soil structure
c. Soil profile
d. Soil taxonomy
c. Soil profile
Water held tightly to the surface of the soil particles by adsorption
forces is called:
a. Hygroscopic water
b. Gravitational water
c. Capillary water
d. Sea water
a. Hygroscopic water
Its purpose is to prevent erosion at the toe of the dam which may
result to failure to structure. As water charges over an overflow dam, most of its potential energy are converted into kinetic energy producing high velocities at the toe of the dam which causes erosion of the toe of the structure.
a. apron
b. flume
c. weir
d. spillway
a. apron
The recommended variation in the lateral between the first and last
sprinkle.
a. 20%
b. 50%
c. 70%
d. 100%
a. 20%
The following are noted key constraints in the full development of aquaculture in the country, except:
a. lack of hatcheries and nurseries
b. inadequate processing facilities
c. high production cost
d. lack of breeds
d. lack of breeds
The type of climate prevailing in region 1 and 2.
a. Type 1
b. Type 2
c. Type 3
d. Type 4
a. Type 1
A soil ph above 7.7.
a. Acidic
b. Basic
c. Alkali soil
d. None
c. Alkali soil
Breeding of cousin to, the cousin.
a. Cross breeding
b. Line breeding
c. Up breeding
d. Close breeding
b. Line breeding
Which is the most probable coverage of the watersheds?
a. one municipality
b. one province
c. one barangay
d. one region
a. one municipality
If the suction lift is 6 m, the suitable pump is
a.Centrifugal
b.Axial flow
c.submersible
d.Mixed flow
a.Centrifugal
Structured devise design to hold a pool of water to cushion the impact
and retard the flow of falling water as from an overflow weir, chute or
drop
a. sill
b. apron
c. Stilling basin
d. pond
c. Stilling basin
The chemical constituent of water which hastens growth of aquatic
vegetation and sometimes lead to eutrophication.
a. sediment
b. phosphorus
c. potassium
d. sulfur
b. phosphorus
Pipelines built on or near the ground surface to convey water across wide depressions.
a. Inverted siphon
b. Siphon
c. Laterals
d. flumes
a. Inverted siphon
Photophosphorylation is the production of ________ using the energy of light – excited – electrons produced in the light reaction of
photosynthesis.
a. NADP
b. sugar
c. Protein
d. ATP
d. ATP
Naturally occurring elements or inorganic compounds in solid state,
with definite chemical composition, unique crystalline structure, and
certain physical properties:
a. humus
b. minerals
c. solum
d. compost
b. minerals
The process whereby rocks undergo physical or chemical changes, or
both, to achieve equilibrium with conditions other than those underwhich
they were originally formed:
a. weathering
b. disintegration
c. metamorphism
d. decomposition
c. metamorphism
Refers to the relative proportion of various size groups of individual
soil grains:
a. soil texture
b. soil colloid
c. soil consistency
d. soil structure
a. soil texture
The mass per unit volume of the soil particle is:
a. Soil density
b. Specific gravity
c. porosity
d. Void ratio
a. Soil density
A structure which conveys water from a higher to a lower level, maybe
inclined or vertical.
a.Water way structure
b.Spillway
c.Drop structure
d.Watershed structure
c. Drop Structure
