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2. PRE-BOARD EXAM QUESTIONS > PART 2 - 2022 > Flashcards

PART 2 - 2022 Flashcards

1
Q

Type of irrigation which can be used in practically all kinds of soil, area, topography and weather

A

drip irrigation

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2
Q

In the areas between 300
-600 in the northern hemisphere, the wind in the atmosphere blows

A

clockwise

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3
Q

Which of the following is a cruciferous vegetable

A

Brassica rapa chinensis

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4
Q

A farmer has 2,400 feet of fencing and wants to fence off a rectangular field that borders a straight river. He needs no
fence along the river. What are the dimensions of the field that has the largest area?

A

600 by 1,200

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5
Q

Dragon fruit, also known as pitahaya or strawberry pear, is juicy with a slightly sweet taste that some describe as a
cross between a kiwi, a pear, and a watermelon. This tropical fruit known for its vibrant red skin and sweet, seedspeckled pulp has a scientific name of

A

Selenicereus undatus

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6
Q

Selenicereus undatus

A
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7
Q

Ilocos, Jalajala, Berkjala and Diani are breed of Philippine native

A

Swine

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8
Q

Ogee, Glacis, Corewall and Gated are types of

A

diversion dam

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9
Q

The total quantity of water taken from a stream, lake or reservoir, or removed from the ground in order to irrigate
a crop

A

diversion water requirement

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10
Q

The ratio of the particle size at 60% passing to that at 10% sieve passing

A

Uniformity coefficient

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11
Q

Type of precipitation produced by the movement of air due to varying barometric pressure

A

cyclonic

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12
Q

Are common vector spatial data format that uses an index to link files and were originally developed by ESRI,
Inc., as a way to store point, line, and polygon features

A

shapefile

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13
Q

Sprinkler system that must be moved manually through a series of positions during the course of irrigation

A

Periodic-move system

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14
Q

. Irrigation system involving applying water slowly to the soil ideally at the same rate with crop consumption

A

Drip

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15
Q

Find the probability of drawing a face card from an ordinary deck of cards

A

3/13

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16
Q

Involves dripping water into the soil at very low rates from emitters where water is applied to plants

A

trickle irrigation

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17
Q

Water resources data for irrigation establishment includes

a. Quantity and quality of water
b. Water rights
c. Cost of water
d. All of the above

A

AOTA

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18
Q

In drip irrigation, a CV of 0.11-0.15 in the emitter discharge and pressure is considered

A

poor

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19
Q

Type of surface irrigation applicable to land with slope of 0.05-3%, course to moderate-textured soil, and with
relatively low to moderate efficiency and uniformity of application

A

Furrow irrigation

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20
Q

Part of the sprinkler irrigation system that delivers water from the mainline to the sprinkler heads

A

Laterals

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21
Q

In basin irrigation, the minimum design application efficiency is 70%; and the minimum time required to cover the
basin should be ____ of the time required for the net application depth to infiltrate the soil

A

60%

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22
Q

For furrow irrigation, recommended furrow spacing for fine sandy soil is ____

A

60 cm

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23
Q

In how many ways can seven different beads be made into a bracelet?

A

360

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24
Q

For Gabion check dam, which dimensions of box gabion may not be used
a. 1 m × 1 m × 1 m
b. 0.85 m × 0.5 m × 2 m
c. 0.75 m × 1.5 m × 3 m
d. 2 m × 2 m × 2 m

A

D

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25
Q

Flow with velocity of 1 m3
/s and a depth of 1 m

A

Subcritical

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26
Q

Volume of water stored in reservoir between the minimum and normal water level

A

ACTIVE STORAGE

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27
Q

In unlined irrigation canals, which is not a component of conveyance loss
a. Evaporation
b. Seepage
c. Percolation
d. None of the above

A

NOTA

28
Q

Depth of water above a given datum

A

STAGE

29
Q

. For crop irrigation, re-used wastewater should have a SAR of

A

<18

30
Q

Amount of rainfall that falls directly on the field and is used by the crops for growth and development, excluding
deep percolation, surface runoff and interception

A

EFFECTIVE RAINFALL

31
Q

In open channel, the grade line of the water profile plus the velocity head is

A

Energy grade line

32
Q

Ratio of the flow area and the wetted top width

A

Hydraulic depth

33
Q

What must be the maximum sprinkler spacing in rectangular patter if the average wind speed in the area is less
than 10 kph

A

40% between sprinkler, 65% between laterals

34
Q

Boulder check dam should have a uniform channel bed of 900 m, catchment area of less than 20 ha and a dam
height of

A

1.5 m

35
Q

The most appropriate type of graph for the data “Number of Monthly CoVID-19 Cases in the Philippines from
2020 to 2022”

A

line graph

36
Q

In drip irrigation, pipe size shall be selected depending on

A

no. of outlets

37
Q

Without considering special cases, how many circles are determined by nine points?

A

84

38
Q

. Ratio between water received at the inlet for block of field to that released at the project’s headworks

A

. Conveyance efficiency

39
Q

The number of bands in a raster image is referred to as its _______

A

spatial resolution

40
Q

. How many tetrahedrons are determined by nine points, with no four of which lie in the same plane?

A

126

41
Q

Estimation of the chance or likelihood of occurrence of a given event by determining the frequency curve of the
best fit to samples of hydrologic data

A

Hydrologic frequency analysis

42
Q

In statistics, it is any quantity which may take on different values

A

Variable

43
Q

It is based on grid cells and represent the world as a “checkerboard,” with uniform values within each cell

A

Raster data

44
Q

The inability of the seed to germinate due to factors which are inherent in the seed

A

dormancy

45
Q

If the equation of the parabola with vertex at (h,k) is (y – k)2
= 4a(x – h)

A

The axis is parallel to 0x and the curve opens to the right

46
Q

It is the process of defining exactly where on the earth’s surface an image or raster dataset was created.

A

Georeferencing

47
Q

The interior section of Rockfill Dam composed of semi-pervious material

A

filter zone

48
Q

It is usually a rectangular concrete trough supported on a bench excavated into a hillside and through which water
flows into an adjoining canal

A

Bench flume

49
Q

It is a type of GIS maps that incorporate color-coded systems to display numerical density in a given area. It is an
effective way to easily relate numerical data when dealing with a large amount of data

A

heat maps

50
Q

What is the dimension of the largest soil separate?

A

0.05 – 2.0 mm

51
Q

Trichoderma, which is popularly used as successful plant growth enhancers, biostimulants, biofertilizers, and as
effective biocontrol agents, is a

A

Fungus

52
Q

A SSIP with small scale earth dam structure (5-15 m high) and projected to serve at least 15 ha of farmland

A

SWIP

53
Q

A guide to determine the amount of fertilizer to be applied to satisfy the fertilizer requirement of a crop to increase
yield

A

Fertilizer recommendation

54
Q

The points (1,4), (7,0), (5,-3), (-1,1) are vertices of a polygon. Determine the polygon and its area.

A

rectangle

55
Q

Quantitative variables which can take only specific or isolated values along a scale

A

Discrete variables

56
Q

A young female cattle usually under three years old that has not yet given birth

A

heifer

57
Q

Which of the following is a measure of relative dispersion of a given set of data

A

Coefficient of variation

58
Q

Which of these can destabilize a dam?

A

reservoir water pressure

59
Q

Advantages of using soil bioengineering techniques include, except:

a. low cost and lower long-term maintenance cost than traditional methods
b. improved strength over time as root systems develop and increase structural stability
c. availability of locally adapted plants
d. environmental benefits of wildlife habitat, water quality improvement, and aesthetics

A

c. availability of locally adapted plants

60
Q

. It is a remote sensing method that uses light in the form of a pulsed laser to measure ranges (variable distances) to
the Earth

A

LiDAR

61
Q

Bacterium that inhabits the roots of legumes in nodules and capable of fixing nitrogen to make N available to
plants

A

Rhizobium

62
Q

In an irrigation system, a head gate functions as a

A

Discharge regulating structure

63
Q

. It is a graphic representation of an area that shows detailed information about the landscape and relief of the
Earth’s surface. It enables us to visualize a three-dimensional (3D) terrain from a flat piece of paper

A

topographic map

64
Q

In surface irrigation, intermittent application is done to

A

Attain relatively uniform application

65
Q

Remedy when there is trapped air in the suction side of the pump

A

Loosen priming plug until air comes
out and tighten again

66
Q

What is the tension equivalent to the field capacity?

A

0.3 bar

67
Q

A pond bottom slope of 2000:1 is equivalent to

A

0.05 % slope

2. PRE-BOARD EXAM QUESTIONS (4 decks)

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