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6. RECALLED > AREA 2 > Flashcards

AREA 2 Flashcards

1
Q

It refers to the composite parts of the irrigation system that divert water from natural bodies of
water such as rivers, streams and lakes. My ganitong tanong din sa AE Board Recalled 2012

A

Headworks

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2
Q

The International Soil Science Society describes sand as a soil particle with a diameter of

A

0.02 mm to 2 mm

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3
Q

The locus of the elevation to which water will rise in a piezometric tube.

A

Hydraulic gradient

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4
Q

Surface irrigation method where a much smaller area is enclosed by levees

A

BASIN FLOODING

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5
Q

The ratio of water beneficially used on the project, farm or field to the amount of water delivered to the
farm expressed in percent.

A

Water-use Efficiency

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6
Q

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.

A

Water Storage Efficiency

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7
Q

The ratio between water stored in the soil root zone during irrigation and the water delivered to the farm
expressed in percent

A

Water Application Efficiency

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8
Q

The ratio between the water delivered to the farm and the water diverted from a river or reservoir
expressed in percent.

A

Water Conveyance Efficiency

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9
Q

The sum of total static head, pressure head, velocity head and friction head.

A

Total Dynamic Head

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10
Q

The water is directed to the base of the plant. Water is applied to the soil through small orifices

A

Drip or Trickle Irrigation

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11
Q

The surface is rarely wet since the water is supplied from the soil underneath. This requires complete
control of the water table so that the root zone is kept relatively free of excess water but is
continually supplied with capillary moisture during the cropping season.hindi ganito ung question,pero
my ganitong choices at sagot,basta basahin nyo n lng,marami kasing ganitong question sa type ng
irrigation.

A

SUB-IRRIGATION

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12
Q

It is accomplished by running water through small channels or furrows while it moves down or across the
slope of the field

A

FURROW IRRIGATION

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13
Q

In Earth embankment, on structures less than 15 m high with average materials, the sideslopes should
be steeper than_____on the upstream face

A

3:1

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14
Q

In Earth embankment, on structures less than 15 m high with average materials, the sideslopes should
be steeper than_____on the downstream face

A

2:1

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15
Q

Earth embankment question.What is the slope in blankets.eto lang natandaan ko.basta mgbasa na lang
kayo about sa earth embankment.

A
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16
Q

Earth embankment.waveheight computation in dam, given 50m yata, eto ung fetch or exposure in
meter(df) eto yung formula (h= 0.014(Df)2
)

A
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17
Q

Caused by the rising of warmer, lighter air in colder, denser surroundings.

A

convective precipitation

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18
Q

The process of covering the land surface with plant residues, plastic or other materials appropriate to
arrest loss of moisture through evaporation

A

mulching

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19
Q

Climate of the Philippines.(choices,,a. Type I b. Type II c.Type III d.TypeIV )hindi ko matandaan
kung type II or type III ung question dyan, basta eto na lang mga meaning nila.

Type I. Two pronounced seasons, dry from November to April and wet during the rest of the year.

Type II. No dry season with a very pronounced maximum rainfall from November to January

Type III. Seasons not very pronounced, relatively dry from November to april and wet during the
rest of the year.

Type IV. Rainfall more less evenly distributed throughout the year

A
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20
Q

Type of Sprinkler with high Pressure…….(choices, a. atomization….b…..c…d…)review nyo na lang mga
type of sprinkler

A
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21
Q

Anung level ng pressure ng sprinkle kung ang value is 200 kpa?

A
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22
Q

Anung level ng pressure ng sprinkle kung ang value is 300 kpa?

A
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23
Q

Anung level ng pressure ng sprinkle kung ang value is 500 kpa

A
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24
Q

What is the depth of water in a trapezoidal channel with a side slope of 2 and carrying a 2.5 m3
/s
water flow? The channel’s bottom width is 1.5 meters and the flowing water has a velocity of 0.8
m/s.maraming ganitong question kaya practice nyo na magcompute…

A
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25
Q

Trapezoidal weir computation,given the value of Q, b, s, R,P n,A,v.Find d? 3 question for this problem ang
binigay,same ang mga values pero hahanapin m lang yung value ng b or v.kahit d ka na mgcompute,check m
na lang sa problem na binigay..

A
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26
Q

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?

A

486

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27
Q

One thousand two hundred and fifty cubic meters 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? Sample prob na my ganitong katulad na question s 2013 ae
board exam.practice nyo na lang icompute yan..2 or 3 same question pero magkakaiba ang mga values na
binigay.

A
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28
Q

Given a shallow tubewell with maximum discharge of 15 lps and a total dynamic head of 7 meters.
Determine the power rating of the primemover for the pump if pump and primemover efficiencies are 60%
and 55%, respectively.2 or 3 questions but different values were given.

A
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29
Q

Determine the irrigation interval for a farm with soil root zone having a field capacity of 200 mm
and a wilting point of 105 mm. Assume that the consumptive use for June or August is 7.5 mm/day with no rainfall and the allowable moisture depletion is 75%.basta try nyo na lang icompute,my ganitong sample
na problem na binigay.

A
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30
Q

The recent monsoon rains have posted a nearly uniform rainfall intensity of 30 mm/hr over a 1,500-
hectare watershed area in Central Luzon. If the runoff coefficient is 0.15, what is the runoff in
m3/sec? used the formula Q= CIA

A
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31
Q

Evapotranspiration in an 10 ha farm is 10 mm/day and percolation losses is 5 mm/day. What is the
design discharge of a canal to be able to deliver a 5-day requirement of the farm in 24 hours if irrigation
efficiency is 75%?2 questions yata ang may ganitong problem ang binigay.d ko sure ung mga values pero
ganyan yung binigay na prob….

A
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32
Q

Computation,Given yung formula,pati mga values,substitute nyo na lang,2 to 3 problem,kaso ang hirap
palabasin yung mga sagot kasi malilito ka sa mga values at unit na given,kaya try try lang hanggat
mapalabas yung result,kung hindi naman, mgwild guess na lang kung saan malapit ung napalabas nyong
sagot.basta bahala na kau kung anu like nyong gawin..hehe

A
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33
Q

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

A

Geodetic Surveying

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34
Q

The survey of bodies of water made for the purpose of navigation, water supply, or sub-aqueous
construction

A

Hydrographic Survey

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35
Q

The type of surveying in which the mean surface of the earth is considered as a plane, or
in which its spheroidal shape is neglected, with regard to horizontal distances and
directions

A

Plane Surveying

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36
Q

Consist of counting the number of steps in a required distance.

A

pacing

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37
Q

Measure relative humidity in air or An instrument used to measure temperature and water in
the atmosphere or Surrounding .,may ganitong question din sa AE Board Recalled 2010

A

hygrometer

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38
Q

Measure the intensity of direct solar radiation.dko sure ung exact words basta instrument for
measuring radiation yun.

A

pyrhelliometer

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39
Q

Measurement for static velocity.check nyo na lang yung mga different instrument and meaning para
my idea kayo..

A

Pitot tube

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40
Q

Measures Specific Gravity

A

Hydrometer

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41
Q

Area bounded by a curve y=x-4 and y^2 = x^2
find the area of the curve

A
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42
Q

Probability.. About poker, given 5 hearts at dko na alam ung isa malay k kng ilan number ng cards
na ginagamit s poker,kaw baka alam mo paturo naman?????

A
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43
Q

What do you call the phenomena where plants flowers and speeds up in seed development under
low temperature or when chilled?

A

vernalization

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44
Q

A male sheep(ram) or goat

A

buck

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45
Q

Aggregates pig in 1 birth farrowing

A

litter

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46
Q

dko sure kung meat ng goat or meat ng cattle or ox yung binigay na question

A

Chevon for goat, Beef for ox

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47
Q

Computation of fertilizers, given the the weight of 1 sack of urea yata tapos ratio, 46 0 0,tapos 14
14 14,,basta yan lang naalala k,review nyo na lang para alam nyo panu mgcompute…

A
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48
Q

If it is desired to have a maximum flow of water at any depth, the best canal crosssection to be used is the:

A

trapezoidal

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49
Q
A
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50
Q
A
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51
Q

Laminar flow has a Reynold’s Number of:

A

less than 1

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51
Q

Which of the following has the highest approximate residence time.

A

groundwater (deep)

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52
Q

Type of precipitation which results from mechanical lifting of the air mass over
mountain barriers.

A

Orographic Precipitation

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53
Q

Type of erosion in which a thin film of soil layer detached and transported by water
flowing on the land surface.

A

Sheet Erosion

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54
Q

Critical Flow is:

A

Fr = 1

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55
Q

The soil property which describes the ability of the soil to transmit water.

A

Hydraulic conductivity

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56
Q

When the water level in the pipe drops below the upper edge of the pipe or culvert
and its conduit controls, the flow becomes:

A

Open channel flow

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57
Q

It the vertical distance from the centerline of the pump to the discharge water level.

A

Static discharge head

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58
Q

A system of aquaculture in which the waste produced by farmed fish or other
aquatic animals supplies nutrients for plants grown hydroponically, which in turn
purify the water.

A

Aquaponics

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59
Q

It is also called the vadose zone.

A

unsaturated zone

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60
Q

An artesian well is an example of:

A

Confined Aquifer

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61
Q

What color in PAG-ASA’s color coded rainfall advisory system which indicates that a
possibility of storm surge of 0.5 m up to 1 m high might likely to occur?

A

yellow

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62
Q

What color in PAG-ASA’s color coded rainfall advisory system which indicates that a
torrential rainfall more than 30 mm within one hour might likely to occur?

A

red

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63
Q

How many distinct permutations can be made from the letters of the word infinity?

A

3360

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64
Q

What is the probability can be computed in an ordinary deck of cards selecting a
card of heart?

A

1/4

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65
Q

The infiltration equation based on the exhaustion process is the

A

Horton

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66
Q

The most common irrigation method used for low land farming.

A

basin

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67
Q

What is the maximum suction head of a tubewell?

A

60 ft

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68
Q

It is the science of the movement of groundwater.

A

Hydrogeology

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69
Q

A type of sprinkler irrigation known for its high initial cost but low labor cost.

A

overhead sprinkler

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70
Q

An instrument that measures the intensity of sunshine radiation received at ye earth
surface.

A

pyrheliometer.

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71
Q

A submain is laid in a depression and the laterals join the submain from each side
alternately. The land along the submain is double drained, but since it is in a
depression, it is probably requires more drainage

A

herringbone

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72
Q

A type of cropping system where in different crops are palnted in an area one after
the other each season.

A

relay cropping.

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73
Q

A division in the biogas digester that prevents slurry from premature exit into
sludge/outlet tank

A

baffle board

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74
Q

The ratio of water beneficially used on the project, farm of field to the amount of
water delivered to the farm expressed in percent.

A

water use efficiency

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75
Q

The locus of the elevation to which water will rise in a piezometric tube.

A

hydraulic gradient

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76
Q

It is accomplished by running water through small channels or furrows while it
moves down or across the slope of the field

A

Furrow Irrigation

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77
Q

Allowable percentage depletion of most crops.

A

50%

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78
Q

Determine the side slope angle of an unlined canal with slope ratio z of 2:1 (run:
rise)?

A

26.6 deg

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79
Q

Computation of moisture content using these formulas:

A

mc = FC – % AM used x (FC-PWP) or
mc = PWP + % AM retained x (FC-PWP)

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80
Q

Plant stem blast is commonly caused by:

A

FUNGI

81
Q

Which of the following has the highest bearing capacity?

A

ROCK

82
Q

Meat from goat

A

CHEVON

83
Q

Type of terrace that is used for 9-24% slope.

A

Zing or conservation

84
Q

Type of flow which is the same at every section of the prismatic channel.

A

uniform flow

85
Q

It is a geologic formation which transmits water at a rate insufficient to be
economically developed for pumping.

A

aquiclude

86
Q

AQUACULTURE: The rearing of fishes at ocean is referred as ______.

A

mariculture

87
Q

HYDROMETEOROLOGY: Bergeron Studies is based on ______

A

Precipitation

88
Q

RAINWATER & RUNOFF MANAGEMENT: The following depths shall be determined to
establish sound dam foundation EXCEPT:

A

Flooring

89
Q

RAINWATER & RUNOFF MANAGEMENT: Dam shape for non-rigid materials must be _______.

A

trapezoidal

90
Q

HYDROMETEOROLOGY: Precipitation of less than 0.5 mm at 1 mm/hr intensity.

A

drizzle

91
Q

PRESSURIZED IRRIGATION SYSTEM: Application rate at 15 mm/hr of sprinkler categorize as:

A

medium

92
Q

PRESSURIZED IRRIGATION SYSTEM: Have a low labor requirement and have higher initial
costs

A

boom sprayer system

93
Q

HYDROMETEOROLOGY: Percentage groundwater in surface water

A

33%

94
Q

RAINWATER & RUNOFF MANAGEMENT: Given soil volume of 1200 m3
at void ratio of 60%.

A

1200X60% = 720m3

95
Q

STATISITCS: A variable that answers the question “how many?”

A

discrete variable

96
Q

naming scale

A

nominal

97
Q

variable whose value is obtained by measuring

A

continuous

98
Q

A variable whose values are ordered

A

cardinal

99
Q

IRRIGATION: This type of furrow irrigation shall increase the length that the water must
travel to reach the end of irrigation run thus, reducing the average slope and velocity of the
water.

A

zigzag

100
Q

RAINWATER & RUNOFF MANAGEMENT: Instrumentation Data Collection, Reduction and
Presentation for Seepage

A

daily

101
Q

STATISTICS: In hypothesis testing, which of the following statement not is true?

A

low margin of error: higher confidence interval

102
Q

IRRIGATION: Propeller pump’s impeller flows in a _____ manner

A

axial

103
Q

RAINWATER & RUNOFF MANAGEMENT: Uses current and potential electrodes in an
uncased well to measure the resistivities of the surrounding media wherein the variation of its
traces is related to depth

A

Resistivity Logging

104
Q

RAINWATER & RUNOFF MANAGEMENT: Soil shall be ________ and shall contain 30% clay.

A

well-graded

105
Q

RAINWATER & RUNOFF MANAGEMENT: Usually buried within the embankment dam and
connected with tube lines to the reading point on the downstream slope

A

Pneumatic piezometer

106
Q

HYDROMETEOROLOGY: Groundwater moves faster in

A

Gravel/sand

107
Q

HYDROMETEOROLOGY: Lead Time of 36 hours is considered as _____.

A

PSWS #1

108
Q

STATISTICS: Probability of two dice to have a sum of 10 after rolled.

A

1/12

109
Q

HYDROMETEOROLOGY: Naturally exist in 3 phases of matter

A

water

110
Q

DRAINAGE: A system of Drainage across contour.

A

intercepting or cross slope

111
Q

HYDROMETEOROLOGY: Maximum elevation of STW – SHALLOW TUBE WELL

A

60 ft

112
Q

CROP SCIENCE: High Energy Food Cops

A

Cereals

113
Q

CROP SCIENCE: Pigeon Pea is high in ______.

A

protein

114
Q

Rigid outer part of the earth.

A

litosphere

115
Q

SWCE: Soil Erodibility Definition

A

resistance of soil to detach during soil erosion

116
Q

female two to three years

A

heifer

117
Q

STRUCTURES: Access alley width at _____ m

A

3

118
Q

HYDROMETEOREOLOGY: Groundwater is also known as ______.

A

Phreatic Water

119
Q

CROP SCIENCE: Rice Blast Caused by ______.

A

fungi

120
Q

OPEN CHANNEL HYDRAULICS: The ________ shaped channel is most efficient canal.

A

Trapezoidal

121
Q

TRIGONOMETRY: Compute cos (8/3 pi)

A

-1/2

122
Q

HYDROMETEOREOLOGY: Highest residence time

A

Groundwater: deep

123
Q

SOIL SCIENCE: 1 mm diameter soil particle

A

coarse sand

124
Q

HYDROMETEOREOLOGY: Direct Runoff was made of ________.

A

Surface runoff, overland flow & channel precipitation

125
Q

HYDROMETEOREOLOGY: Hydrograph was made of _________.

A

Overland flow, interflow & baseflow

126
Q

PRESSURIZED IRRIGATION SYSTEM: Low Application Rate irrigation

A

Sprinkler

127
Q

RAINWATER & RUNOFF MANAGEMENT: Depth in SFR – Small Farm Reservoir

A

0.75 m

128
Q

DRAINAGE: Artificially produced in the subsoil with digging a trench from the surface

A

mole drain

129
Q

SURVEYING: A sign by extending both arms horizontally and moves up or down.

A

All Right

130
Q

HYDROMETEOREOLOGY: USWB inner and outer tube difference in size.

A

10 times

131
Q

Irrigation enclosed by dikes.

A

basin irrigation

132
Q

frequently existing data set

A

mode

133
Q

It is the term use to describe the process of removing plants with unwanted
characteristics, small and undesirable plants.

A

weeding

134
Q

The most common irrigation method used for low land farming

A

basin

135
Q

A type of sprinkler irrigation known for its high initial cost but low labor cost.

A

overhead sprinkler

136
Q

Darcy equation is used only to what type of flow?

A

laminar

137
Q

It is the science that deals with the study of weather, water movement (blah
blah blah)

A

hydrometeorology.

138
Q

An instrument used to determine the wind speed

A

anemometer.

139
Q

An instrument that measures the intensity of sunshine radiation received at ye
earth surface.

A

pyrheliometer.

140
Q

Almost 47% of the total drainage goes to what part of the world?

A

atlantic ocean

141
Q

Ground water is also known as:

A

capillary water

142
Q

It refers to the composite part of the irrigation system that divert water from
natural bodies of water such as river, stream and lakes.

A

headwork

143
Q

A submain is laid in a depression and the laterals join the submain from each
side alternately. The land along the submain is double drained, but since it is in a
depression, it is probably requires more drainage.

A

herringbone

144
Q

A type of cropping system where in different crops are palnted in an area one
after the other each season.

A

relay cropping.

145
Q

Used if the entire area is to be drained and is usually more economic. Laterals
enter the submain from one side only to minimize the double drainage that occurs
near the submain

A

Gridiron

146
Q

How many ft of water are there in a atm?

A

33.93

147
Q

It is the term used to piglets in one farrowing.

A

litter

148
Q

It consists of filling the casing with water so that air trapped in the pump does
not hinder its operation and reduce efficiency

A

priming

149
Q

According to USDA soil classification, 0.1 mm is categorized as

A

fine sand

150
Q

A type of irrigation system where water is delivered just below the root of
plants (something like that)

A

Sub-irrigation

151
Q
A
152
Q

Uses legumes to cover…

A

buffer

153
Q

A method use to reduce soil erosion which follows the contour……

A

contour

154
Q

An earth embankment type constructed of relatively homogenous soil material
and wither keyed into the impervious foundation stratum or is constructed with an
upstream blanket impervious materials. This type is limited to low fills and to sites
having sufficient volume of satisfactory fill materials available

A

core/zone

155
Q

Property of an aquifer…….blah

A

hydraulic conductivity

156
Q

A type of survey that deals with the contour of the surveyed location.

A

topographic survey

157
Q

A type of survey that delineates building……

A

physical survey,

158
Q

An instrument used to determine the distance, angle……

A

engineers transit

159
Q

Determine the power develop of a pump given Q____gpm and H___ft

A

*use formula P=QH/33,000

160
Q

Given FC, PWP, AM, find Mc

A

*use formula Mc= (FC-PWP)AM + PWP

161
Q

A method of measuring evaporation that uses climatological data….

A

Blaney-Cridle

162
Q

The minimum trajectory angle for sprinkler

A

10-25 degrees

163
Q

Allowable percentage depletion of most crops

A

50%

164
Q

Soil moisture tension with 15 atmospheres.

A

Permanent wilting point

165
Q

The ratio of water beneficially used on the project, farm or field to the amount of water
delivered to the farm

A

water use efficiency

166
Q

Basic irrigation method for lowland farming.

A

basin irrigation

167
Q

Irrigation method with high cost but low operation cost

A

Irrigation method with high cost but low operation cost

168
Q

Irrigation method wherein water is directed to the base of the plant and is applied to the
soil through small orifices

A

Drip or trickle irrigation

169
Q

Laterals enter the submain from one side only to minimize the double drainage that
occurs near the submain

A

Gridiron layout

170
Q

Depth of shallow tube well.

A

20 m or 60 ft

171
Q

Equation for evapotranspiration computation

A

Penman-Montieth Equation

172
Q

Precipitation results from mechanical lifting of air mass over mountain barriers.

A

Orographic rainfall

173
Q

Travels over the ground and through the channels to reach the outlets

A

runoff

174
Q

A hydrograph with a unit volume of direct runoff for a given storm duration.

A

unit hydrograph

175
Q

Combination of splash and sheet erosion

A

inter rill

176
Q

Flow greater than the critical flow

A

Supercritical flow

177
Q

Type of flow wherein the discharge or flow in a prismatic channel is constant with respect
to time.

A

steady flow

178
Q

irrigation components, related to flow and head.

A

head gates

179
Q

Uses a thin wall of plastic, butyl, concrete, steel or wood to barrier against seepage
through the wall.

A

Full Diaphragm Type

180
Q

Referred to as rain fall.

A

precipitation

181
Q

Standard height of an earth embankment

A

(not exceeding )15 meters

182
Q

An instrument used to determine the wind speed.

A

anemometer

183
Q

Measures atmospheric humidity

A

Hygrometer

184
Q

A mathematical expression for the macroscopic flow of water through a porous system.
(not exactly the same question, pero parang ganyan yun)

A

darcy’s law

185
Q

The composite parts of the irrigation system that divert water from natural bodies of
water such as rivers, streams, and lakes

A

Headworks

186
Q

A thin film of soil layer detached ad transported by water flowing on the land surface.

A

Sheet Erosion

187
Q

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.

A

Plane Surveying

188
Q

The recommended pressure head variation in the lateral between the first and the last
sprinkler.

A

20%

189
Q

Earth Embankment. Wave height computation

A

(h = 0.014 Df^2)
Df = fetch or exposure, m

190
Q

Soil property which describes the ability of the soil to transmit water

A

Hydraulic
Conductivity

191
Q

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.

A

Leeward

192
Q

The equation used in current meters is V= a + bN. What does a signifies?

A

Starting
velocity

193
Q

Pair of dice. Probability that the sum of the result is 10.

A

1/6

194
Q

Radius of circle x2 + y2 + 8x - 4y = 0

A

4.47

195
Q

Three lines for command

A

Command area

196
Q

Area where arrow cursor can be viewed

A

View area

197
Q

Area where the cursor is at the current position

A

Drawing area

198
Q

Sum of two numbers is 10. The sum is the small square number. What is the two numbers?

A

5,5

199
Q

A type of survey that deals with the contour of the surveyed location.

A

Topographic Surveying

200
Q
A

6. RECALLED (8 decks)

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