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