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ABELE Review > Part 2 - ISU Reviewer > Flashcards

Part 2 - ISU Reviewer Flashcards

1
Q

Irrigation and Drainage Eng’g: Using current meter in getting the velocity of stream, what is the
value of a in v = a + bn?

A

Starting Velocity

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2
Q

Soil Science: What is the most abundant microorganism found in the soil?

A

Bacteria

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3
Q

Hydrometeorology: Water retained about individual soil particles by molecular action and can be
removed only by heating.

A

Hygroscopic Water

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4
Q

Hydrometeorology: Geologic formation arranged in decreasing economic considerations.

A

Aquifer, Aquiclude, Aquitard, Aquifuge

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5
Q

Hydrometeorology: Volume of voids over total soil volume.

A

Porosity

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6
Q

Hydrometeorology: Moisture content of the soil when the gravitational water has been removed.

A

Field Capacity

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7
Q

Hydrometeorology: It is the ratio of the dry weight of soil particles to the weight of an equal
volume of water

A

Apparent Specific Gravity

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8
Q

Hydrometeorology: 75% of available moisture is called:

A

Readily Available Moisture

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9
Q

Hydrometeorology: Ratio of the dry weight of the soil to the weight of the water with volume
equal to the soil bulk volume.

A

Apparent Specific Gravity

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10
Q

Irrigation and Drainage Eng’g: Which of the following is the most economic type of drainage
system?

A

Gridiron

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11
Q

Irrigation and Drainage Eng’g: One hundred thousand two hundred and fifty cubic meters (this
must be 12,500 m3) of water was delivered to a 10 ha farm for the month of June in which
consumptive use is estimated at 8 mm/day. The effective rainfall for the period was 150 mm.
What is the irrigation efficiency?

A

72%

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12
Q

Irrigation and Drainage Eng’g: What is the discharge in each sprinkler nozzle to irrigate a
rectangular piece of land 150m x 180m if the laterals are set parallel to the longer side of the
field? Sprinkler spacing is 6m x 6m, irrigation water requirement is 150 mm and irrigation period
is 6 hours.

A

0.250 lps

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13
Q

. Irrigation and Drainage Eng’g: One liter per second is equal to?

A

0.001 m3/sec

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14
Q

Hydrometeorology: Water held by forces of surface tension and continuous films around the soil
particles

A

Capillary Water

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15
Q

Irrigation and Drainage Eng’g: Amount of drainage water to be removed per unit time per unit
area.

A

Drainage Coefficient

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16
Q

. Hydrometeorology: The sum total of head above the vapor pressure of the liquid being pumped
at a given pumping temperature.

A

Total Dynamic Head

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17
Q

Irrigation and Drainage Eng’g: A concrete lined canal is to convey water over a distance of 250 m
from the well to a tomato farm. Drop in elevation is 0.5 m over the 250 m canal length and
roughness coefficient, n, is 0.018.the bottom width of a rectangular canal with a depth of flowing
water of 0.25 m if the hydraulic radius is equal to the area of flow. The velocity of water in the
canal is?

A

0.62 m/sec

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18
Q

Hydrometeorology: The moisture content of the soil when the tension is 15 atmosphere.

A

Permanent Wilting Point

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19
Q

Wastewater Engineering: Agency that controls the re-use of wastewater.

A

Department of Environment and Natural Resources

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20
Q

Irrigation and Drainage Eng’g: The simplest form of open channel flow computation.

A

Steady Uniform Flow

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21
Q

Irrigation and Drainage Eng’g: It is a gate placed across a stream from which it is desired to divert
water.

A

Check gate

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22
Q

Hydrometeorology: Change in phase from water vapor to ice.

A

sublimation

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23
Q

Irrigation and Drainage Eng’g: Most commonly used type of irrigation.

A

Furrow Irrigation

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24
Q

Soil and Water Conservation Eng’g: A principle of English Common Law which recognizes the right
of riparian owner to make reasonable use of streamflow provided the water is used on riparian
land.

A

Riparian Right

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25
Hydrometeorology: Water content in mineral soil.
20 - 30%
26
Wastewater Engineering: Conversion of organic matter to ammonia.
Nitrification
27
Engineering Surveying: 1 degree of equator of earth is equal to:
4 minutes
28
Hydrometeorology: The lateral movement of water in the soil.
Seepage
29
Crop Science: What nutrient deficiency if rice leaf are dark green?
Potassium
30
Hydrometeorology: Type of stream that is also known as loosing stream. Water table in this case falls below the stream channel bed.
Influent Stream
31
Irrigation and Drainage Eng’g: A closed conduit usually circular, square or rectangular in cross section, used for conveying water across and under an elevated roadway, embankment and dikes.
Culvert
32
Hydrometeorology: The pressure gauge measures the reading as 35 psi. Compute for the absolute pressure assuming standard atmospheric pressure.
49.7 psi ; 1 atm = 14.7 psi
33
Solid Geometry: If the sphere is cut at its longest diameter, what will be the shape cross-section of the sphere?
Circle
34
Hydrometeorology: The locus of the elevation to which water will rise in a piezometric tube.
Hydraulic Gradient
35
PAES 225:2017 (Small Water Impounding System): A technique used to predict the changes in shape of hydrograph as water moves through a river channel or reservoir
Flood Routing
36
Irrigation and Drainage Eng’g: The most efficient trapezoidal cross-section.
width of the bottom = twice the depth
37
Irrigation and Drainage Eng’g: Closed conduit designed to convey canal water in full and under pressure running condition, to convey canal water by gravity under roadways, railways, drainage channels and local depressions.
Inverted Siphon
38
. Hydrometeorology: A device used in measuring pressure in a tube with respect to difference in elevation.
Manometer
39
Hydrometeorology: The moisture content present in the soil when gravitational water has been removed
Field Capacity
40
Hydrometeorology: The soil characteristic determining the maximum rate at which water can enter the soil under specific conditions, including the presence of excess water.
Infiltration Rate
41
Probability: What is the probability of drawing queen of hearts on a deck of cards?
1/52
42
. Irrigation and Drainage Eng’g: Volume of water stored in reservoir between the minimum water level and normal water level.
Active Storage
43
Hydrometeorology: The composite parts of the irrigation system that divert water from natural bodies of water such as rivers, streams, and lakes.
Headworks
44
Hydrometeorology: The other term for gravity well.
Confined Well
45
Irrigation and Drainage Eng’g: Water is supplied to level plots surrounded by dikes or levees. This method is particularly useful on fine-textured soils with low permeability, it is necessary to hold the water on the surface to secure adequate penetration.
Level-Border Irrigation
46
Hydrometeorology: Development of deep well by compressed air is best suited for ___wells.
Small
47
Surveying: A method of measuring distance used when the desired accuracy is not greater than 2 percent.
Pacing
48
Irrigation and Drainage Eng’g: A notch of regular form through which the irrigation stream is made to flow and flow built as either portable or stationary structures.
Weir
49
Hydrometeorology: The direct attraction of similar molecules between similar molecules.
Cohesion
50
Hydrometeorology: Surface runoff plus interflow
Direct Runoff
51
Surveying: A rod taken in known elevation.
Backsight
52
Surveying: A surveyor measured the length of road by chains and link. Point A to point B measures 12 chains and the remaining length measures 25 links. What is the total length of the road?
245 m
53
Surveying: The elevation of the line of sight of the telescope when the instrument is leveled.
Height of Instrument
54
Surveying: The operation of leveling to determine the relative elevations of points some distance apart
Differential Leveling
55
Soil and Water Conservation Eng’g: A type of terrace usually used for platforms.
Bench Terrace
56
Irrigation and Drainage Eng’g: 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
57
Irrigation and Drainage Eng’g: The most hydraulically efficient trapezoidal channel section to carry a discharge of 5m3/s on a bed material with roughness n of 0.02 and a bottom slope of 1 in 800. What should be the bottom width of the canal?
1.65 m
58
Irrigation and Drainage Eng’g: In-line structure with a geometrically specified constriction built in an open channel such that the center line coincides with the center line of the channel in which the flow is to be measured.
Flume
59
Hydrometeorology: Associated with the movement of air masses from high-pressure to low pressure regions.
Cyclonic Precipitation
60
Irrigation and Drainage Eng’g: Removal of water from the road area by the use of culverts, ditches, channels and other several structures.
Drainage
61
Irrigation and Drainage Eng’g: The flow in a channel varied with respect to time.
Unsteady Flow
62
Irrigation and Drainage Eng’g: It is the sheet of water which overflows on a weir.
Nappe
63
Soil and Water Conservation Eng’g: The removal of soil by water from small but well-defined channels or streamlets when there is a concentration of the overland flow
Rill Erosion
64
Hydrometeorology: Term used for solar radiation received at the earth’s surface
Insolation
65
Irrigation and Drainage Eng’g: For an 10m x 10m sprinkler spacing, what is the design sprinkler throw for a 50% overlap?
7.5 m
66
Irrigation and Drainage Eng’g: It is the most elaborate method of computing potential evapotranspiration:
FAO Penman-Monteith
67
Soil Science: The ratio of the dry weight of the soil to the volume of the soil particles
Bulk Density
68
Hydrometeorology: What is the present moisture content of a soil with 25% of its AM has been used of its FC is 24% and PWP is 16% by weight?
22%
69
ydrometeorology: What is the present moisture content of a soil with 30% of its AM has been used of its FC is 25% and PWP is 20% by weight?
24%
70
Statistics: What is the sample variance of the given data: 2, 8, -4, 10, 6, -17, and 15?
112.78
71
Statistics: What is the sample variance of the given data: 2, 8, -4, 10, 6, -17, and 15?
10.62
72
Irrigation and Drainage Eng’g: What will be the maximum spacing for the rectangular pattern of sprinkler irrigation with an average wind speed of 10 kph? (refer to PAES 223:2017)
40% between sprinkler, 60% between lateral
73
Irrigation and Drainage Eng’g: What will be the maximum spacing for the square pattern of sprinkler irrigation with an average wind speed of 10 kph? (refer to PAES 223:2017, question not included, additional)
50%
74
Irrigation and Drainage Eng’g: How many sprinklers with spacing of 7m x 7m are needed to irrigate a rectangular piece of land 125 m x 190 m if the laterals are set parallel to the longer side of the field?
486
75
Irrigation and Drainage Eng’g: A rectangular piece of land 180m x 240m is laid out with one-sided sprinkler irrigation system. Laterals are set parallel to the longer side of the field. Sprinkler spacing is 6m x 6m, irrigation water requirement is 150 mm and irrigation period is 6 hours. Laterals are set on only one side of the mainline. The sprinkler discharge is
0.250 lps
76
Irrigation and Drainage Eng’g: A trapezoidal channel has a base width of 6 meters and a side slope of 1H:1V. The channel bottom slope is 0.0002 and the Manning roughness coefficient is 0.014. What is the depth of flow if Q = 12.1 m3/s?
1.5 m
77
. Hydrometeorology: A cylinder was pushed into the soil. The cross-sectional area of the cylinder was 0.025 m2. The length of the soil column within the cylinder was 0.30 m. The weight of the soil within the cylinder was 9.5 kg when it was dried. The weight of the soil before drying was 11.4 kg. Determine the bulk density of the soil.
1.27 g/cc
78
PAES 226:2017 (Small Farm Reservoir): Minimum depth of soil profile to be tested and analyzed for the design of Small Farm Reservoir.
1.5 m
79
Soil and Water Conservation Eng’g: Maximum elevation the water surface which can be attained by the reservoir without flow in the spillway.
Normal Storage Elevation
80
Hydrometeorology: This law of radiation states that the total amount of energy per unit area emitted by an object is proportional to the 4th power of the temperature
Stefan-Boltzman Law

ABELE Review (3 decks)

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