HIGHPRIO.7 Flashcards
In selecting the optimum capacity of the reservoir of a SWIM Project for irrigation purposes, the reliability of the reservoir should be above
a. 80-85%
b. 30-40%
c. 50-60%
d. 60-70%
a. 80-85%
Discharge is constant with respect to time
a. Spatially variable flow
b. Turbulent flow
c. Laminar flow
d. Steady flow
d. Steady flow
It is the water retained about individual soil particles by molecular action and can remove only by heating.
a. Permanent wilting point
b. Hygroscopic water
c. Hydroscopic water
d. All of the above
b. Hygroscopic water
A level land surrounded by earth bunds in which water can be ponded until it infiltrates into the soil
a. Basin
b. Border
c. Bunds
d. contour
a. Basin
The soil which contain more or less equal amounts of sand, silt and clay
a. Acid soils
b. Alkaline soils
c. Volcanic soils
d. Loam soils
d. Loam soils
The attraction of water into a hair like opening which defend both on
cohesion of the liquid and on the adhesion of the liquid to solid wall.
a.Infiltration
b.Capillary
c.Infiltration rate
d.Surface tension
b.Capillary
A pond bottom slope of 2000:1 is equivalent to:
a. 0.05 % slope
b. 0.005% slope
c. 0.5 % slope
d. 5 % slope
a. 0.05 % slope
The phase from germination to panicle initiation in the life cycle of
rice plant.
a. Metaphase
b. Reproductive phase
c. Vegetative phase
d. Ripening phase
c. Vegetative phase
This is provided in a pipe drain to prevent seepage:
a. Core trench
b. Collar
c. Freeboard
d. Frame
b. Collar
The process by which elevation of space grid points in the field are
determined
a.Profile leveling
b.Topographic leveling
c.Contouring
d.NOTA
b.Topographic leveling
These two culture systems in open water are considered as enclosure
culture systems:
a. Raceways and ponds
b. Ponds and cages
c. Pens and cages
d. Raceways and pens
c. Pens and cages
The ratio of peak rate of runoff to the rainfall intensity is
a. Time of concentration
b. Rainfall coefficient
c. Runoff coefficient
d. Rational method
c. Runoff coefficient
In a critical flow, the flow specific energy is ___(X)___ for a given
discharge, and the discharge is ____(Y)___ for a given specific energy.
a. X = minimum; Y = minimum
b. X = maximum; Y = maximum
c. X = minimum; Y = maximum
d. a or b
c. X = minimum; Y = maximum
The time required for water to flow from the most remote point of the
watershed to the outlet is
a. Time of concentration
b. Recurrence interval
c. Rational method
d. Runoff coefficient
a. Time of concentration
The scientific name of tobacco is:
a. Brassica oleracea
b. Nicotiana tabacum
c. Nicotiana tartarum
d. Gossypium hirsutum
b. Nicotiana tabacum
It is the most important consideration for the side slope of a channel.
a. channel size
b. climate change
c. seepage loss
d. kind of channel material
d. kind of channel material
The most common method of conveying water for irrigation is
a. Irrigation units
b. Open channel
c. Irrigation system
d. Watershed
b. Open channel
The velocity of water passed in a cross sectional area
a. Discharge
b. Velocity
c. Stream size
d. Unit stream
a. Discharge
This is a colorless and odorless gas at ambient concentrations and is a
major component of smog. It irritates the respiratory tract and eyes. Exposure to high levels results in chest tightness, coughing and wheezing. People with respiratory and heart problems are at a higher risk. What is this gas?
a.ozone
b.carbon monoxide
c.carbon dioxide
d.methane
a.ozone
Similar to stone check dams however the stones in this case are placed on rectangular wire mesh, piled-up as blocks and tied together to form a reinforced wall or dam structure.
a. Riprap
b. Gabions
c. Diversion canal
d. Terracing
b. Gabions
If too much water is applied in to the soil it is loss as flood this
term is
a. Runoff
b. Seepage
c. Infiltration
d. Precipitation
a. Runoff
This is the most widely used for irrigating row crops where water is
confined to small channel between the crop row
a. border
b. basin
c. furrow
d. sprinkler
c. furrow
The energy is commonly associated with fluid flow are potential,
kinetic and
a. Flow
b. Electrical
c. Mechanical
d. None of the above
a. Flow
The direct result of the molecular attraction between molecules is
a. Surface tension
b. Collision
c. Tension
d. Repulsion
a. Surface tension
The wet land preparation for planting rice consists of soaking,
plowing, and puddling. The third step (puddling) involves harrowing or rotavating of land under shallow submerged conditions. The following are the functions of puddling, except:
a. reduce soil permeability
b. control weeds
c. decrease soil acidity
d. destruction of soil aggregates and macro-pore volume
d. destruction of soil aggregates
The ratio of the density of material to the density of water at 4
degree Celcius
a. Specific gravity/Related density
b. Specific density
c. Unit weight
d. Unit volume
a. Specific gravity/Related density
Scientific name of santol.
a. Canarium ovatum
b. Averrhoa carambola
c. Sandoricum koetjape
d. Syzygiuum cumini
c. Sandoricum koetjape
A measured of the variability of viscosity has been established with a numerical designation is called
a. Dynamic viscosity
b. Kinematic viscosity
c. Absolute viscosity
d. Viscosity index
d. Viscosity index
Which employs price-lining technique?
a.An equipment sold at P1999.95
b.P99-store
c.Buy-one-take-one
d.Additional two tomatoes for every kilo purchased
b.P99-store
Attraction of unlike molecules is
a. Adhesion
b. Cohesion
c. Tension
d. Repulsion
a. Adhesion