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6. RECALLED > 2012 > Flashcards

2012 Flashcards

1
Q

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

A

weeding

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2
Q

The most common irrigation method used for land farming.

A

surface

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3
Q

What type of flow is commonly employed to pipes?

A

laminar

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4
Q

Pitot tube is an instrument used to determine what characteristic of fluid?

A

velocity

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5
Q

It is said to be the major factor that causes soil erosion.

A

transpiration

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6
Q

What is the maximum suction head of a tubewell?

A

30 ft

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7
Q

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

A

self propelled center pivot

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8
Q

Darcy equation is used only to what type of flow?

A

laminar flow

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9
Q

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

A

meteorology

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10
Q

An instrument used to determine the wind speed.

A

anemometer

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11
Q

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

A

pyranometer

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12
Q

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

A

ATLANTIC OCEAN

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13
Q

Ground water is known as:

A

SUB-SURFACE WATER

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14
Q

What do you measure when using a coordinate method?

A

SLOPE

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15
Q

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

A

DIVERSION DAM

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16
Q

Convert 1 hp to KW.

A

0.746

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17
Q

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

A
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18
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 Layout

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19
Q

The 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 probably requires more drainage.

A

Herringbone Pattern

20
Q

This system is often used if the bottom of the depression is wide since it reduces the lengths of the laterals and eliminates the break in slope of the laterals at the edge of the depression.

A

Double-main System

21
Q

How many ft of water are there in a atm?

A

33.93

22
Q

It is the term used to piglets in one farrowing.

A

LITTER

23
Q

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

A

BAFFLE BOARD

24
Q

It is the residue that comes out at the digester after the substrate is digested/processed inside the digester.

A

EFFLUENT

25
Q

Field capacity can retain water against a tension of how many atmospheres?

A

1/3

26
Q

Second important reason for cross breeding. The term is used to explain the fact that hybrids or crossbreed are usually better off and more vigorous than their parents.

A

HETEROSIS

27
Q

A type of terracing with 6-8% slope.

A

broad base terrace

28
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

29
Q

According to USDA, soil classification, 0.1 mm is categorized as:

A

FINE SAND

30
Q

A type of irrigation system where water is delivered just below the root of plants

A

DRIP (????)

31
Q

What is the recommended top width of earth embankment?

a. 2.4 m b. 3.5 m c. 7.5 m d. 12.5 m

A
32
Q

Small farm reservoir has a standard height of:

A

5M

33
Q

An earth embankment has a depth of 15 m, what should be the top width?
*use the formula W=0.4H+1 (Please verify)

A
34
Q

There are 7 blue balls and 4 blue balls in the container. After the first ball was drawn, the drawn ball and returned to the container, another ball was drawn. What is the possibility that the 2 balls are both blue?

A
35
Q

Universal Soil Loss Equation has the formula of USLE = CPSLKRM. Determine the total soil loss blah balh (given lahat: direct substitution)

A
36
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

SIMPLE

37
Q

A pipe with a diameter of 3ft has a velocity of 7.5 fps. Suddenly, the pipe diameter increased to 4 ft. What will be the new velocity?

A
38
Q

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

A

TOPOGRAPHIC SURVEY

39
Q

A type of survey that delineates building.

A

Mortgage survey or physical survey

40
Q

An instrument used to determine the distance, angel…

A

ENGINEERS TRANSIT

41
Q

In measuring distance between two points with an obstruction, what should be the method/s tpo be used?

A

SIMILAR TRIANGLE (???) OR PARALLEL

42
Q

Determine the power develop of a pumo given Q __gpm and H __ ft.
*Use formula P=QH/33,000

A
43
Q

Given FC, PWP, AM, finf Mc
*Use formula Mc=(FC-PWP)AM+PWP, basta sagot dit0 20%

A
44
Q

Probability occurrence (I forgot the problem but still have the solution and answer)

A

= 1-(1-a/40)^20
= 0.397 or 397%

45
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

CONVEYANCE EFF

46
Q
A

6. RECALLED (8 decks)

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