General Knowledge (Area 2)

Question 1

infiltration based on the exhaustion process

Answer 1

Horton

Question 2

Type of climate in which rainfall are more or less evenly

distributed throughout the year.

Answer 2

Type IV

Question 3

Surveying bodies of water for purposed of navigation, water

supply or subaqueous construction.

Answer 3

hydrographic surveying

Question 4

A porous geologic formation that is capable of storing and
transmitting water at sufficient quantities that permit
economic development.

Answer 4

Aquifer

Question 5

Type of precipitation associated with the movement of air

masses from high pressure to low pressure region.

Answer 5

Cyclonic

precipitation

Question 6

Most efficient irrigation method.

Answer 6

Drip or Trickle irrigation

Question 7

highest roughness coefficient.

Answer 7

Earth grassy canal

Question 8

Established and permanent location, station or point on the

ground in which the elevation is known.

Answer 8

Bench mark

Question 9

Measure of central tendency which has the most number of

observed occurrence?

Answer 9

Mode

Question 10

Signal of the typhoon w/c gives an 18 hours natural

disturbance

Answer 10

Signal #3

Question 11

Response of plants to different day lengths or light period.

Answer 11

Photoperiodism

Question 12

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

Answer 12

(Precipitation, irrigation)

Question 13

How many ft of water are there in a atm?

Answer 13

33.93

Question 14

What characteristic of soil is needed to cease a stripper from
its operation?

Answer 14

Soft

Question 15

Type of terracing with 6-8% slope.

Answer 15

Broad based terrace

Question 16

Type of terracing with 9-24% slope.

Answer 16

Zing or Conservation

Question 17

Type of terracing with 20-30% slope.

Answer 17

Bench terrace

Question 18

If the hypothesis is false but accepted base on the result of
the analysis.

Answer 18

Type 2

Question 19

Slope of small farm reservoir.

Answer 19

15

Question 20

What color in PAGASA’S coded rainfall advisory system w/c
indicates that a possibility of storm surge of 0.5-1meter high
might likely to occur.

Answer 20

Yellow rainfall advisory

Question 21

How many distinct permutations can be made from the letters

of the word infinity.

Answer 21

3360

Question 22

What color in PAGASA’S coded rainfall advisory system w/c
indicates that a torrential rainfall more than 30 mm within 1
hour might likely occur?

Answer 22

Red rainfall advisory

Question 23

What is the maximum suction head of a tubewell?

Answer 23

60 ft

Question 24

division in the biogas digester that prevents slurry from

premature exit into sludge/outlet tank.

Answer 24

Baffle board

Question 25

Consist of counting the number of steps in the require distance.

Answer 25

Pacing

Question 26

Measure relative humidity in air or air instrument use to measure temperature & water & the atmosphere or surrounding.

Answer 26

Hygrometer

Question 27

Measure the intensity of direct solar radiation.

Answer 27

Pyrheliometer

Question 28

Measurement for static velocity.

Answer 28

Pitot tube

Question 29

Pitot tube measured:

Answer 29

velocity head

Question 30

Measure specific gravity.

Answer 30

Hydrometer

Question 31

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

Answer 31

Sheet erosion

Question 32

Critical flow is.

Answer 32

Fr = 1

Question 33

The soil property w/c describes the ability of the soil to | transmit water.

Answer 33

Hydraulic conductivity

Question 34

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

Answer 34

Open channel flow

Question 35

It is the vertical distance from the center line of the pump to the discharge water level.

Answer 35

Static discharge head

Question 36

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

Answer 36

Aquaponics

Question 37

Classification of terrace that is more common for mechanized farming systems on moderate slopes (6-8%) and designed to match the width of equipment that operates on those slopes.

Answer 37

Three segment Broad base

Question 38

Most hydraulically efficient canal with different flow.

Answer 38

Trapezoidal

Question 39

Normal trajectory angle for sprinkler.

Answer 39

25-28 degrees

Question 40

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

Answer 40

Double main system

Question 41

The minimum trajectory angle for sprinkler.

Answer 41

10-25 degrees

Question 42

Allowable percentage depletion of most crops.

Answer 42

50%

Question 43

Soil moisture tension with 15 atm.

Answer 43

Permanent wilting | point

Question 44

The ratio of water beneficially used on the project farm or | field to the amount of water deliver to the farm.

Answer 44

Water used efficiency / Application efficiency

Question 45

Basic irrigation method for lowland farming.

Answer 45

Basin irrigation

Question 46

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

Answer 46

Gridiron

Question 47

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

Answer 47

Drip/trickle

Question 48

Depth of shallow tube well.

Answer 48

60 ft

Question 49

Equation for evapotranspiration computation.

Answer 49

Penman | Monteith equation

Question 50

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

Answer 50

Orographic precipitation

Question 51

when water travels over the ground and through the channels to reach the outlets.

Answer 51

Runoff

Question 52

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

Answer 52

Unit hydrograph

Question 53

Combination of splash and sheet erosion.

Answer 53

Inter rill

Question 54

Flow greater than a critical flow.

Answer 54

Supercritical flow

Question 55

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

Answer 55

Steady flow

Question 56

Irrigation components, related to flow and head.

Answer 56

Head gates

Question 57

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

Answer 57

Full diaphragm | type

Question 58

Type of precipitation in the Philippines.

Answer 58

Rain

Question 59

Standard height of an earth embankment. Not exceeding___

Answer 59

15 meters

Question 60

An instrument used to determine the wind speed.

Answer 60

Anemometer

Question 61

Measures atmospheric humidity.

Answer 61

Hygrometer

Question 62

Type of sampling technique w/c involves selection of every | kth element in the population.

Answer 62

Systematic sampling

Question 63

Which is not a function for low land preparation water | requirement?

Answer 63

Transpiration

Question 64

Term denoting the superiority of young from parents.

Answer 64

Heterosis or Hybrid or Hybrid Vigor

Question 65

Type or sampling technique where samples have equal | chances of being selected.

Answer 65

Simple random sampling

Question 66

Sample scheme characterized by adopting a skipping pattern | in the selection of the sample units?

Answer 66

Systematic sampling

Question 67

Branch of meteorology that studies water at lower | atmosphere.

Answer 67

Hydrometeorology

Question 68

What is the fraud number of critical flow?

Answer 68

1

Question 69

What flow is characterized by hydraulic jump.

Answer 69

Open channel | flow

Question 70

The locus of the elevation to w/c water will rise in a | piezometric tube.

Answer 70

Hydraulic gradient

Question 71

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

Answer 71

Furrow irrigation

Question 72

Meat from goat.

Answer 72

Chevon

Question 73

Plant stem blast is commonly caused by.

Answer 73

Fungi

Question 74

Types of surveying that takes into account the true shape of the earth. These surveys are of high precision and extend over large areas.

Answer 74

Geodetic surveying

Question 75

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

Answer 75

Hydrographic survey

Question 76

The type of surveying in w/c the mean surface of the earth is considered as a plane, or in w/c its spheroidal shape is neglected with regard to horizontal distance and directions.

Answer 76

Plane surveying

Question 77

Laminar flow has a reynold’s number of:

Answer 77

less than 1

Question 78

Which of the following has the highest residence time.

Answer 78

Groundwater (deep)

Question 79

Other term for vadose zone.

Answer 79

Unsaturated zone

Question 80

What is the study of groundwater.

Answer 80

Hydrogeology

Question 81

Permits the flow of air and fuel.

Answer 81

Valve

Question 82

The amount of water withdrawn from irrigation and effective rainfall through evaporation from solid and water surfaces and transpiration from plants.

Answer 82

Evapotranspiration

Question 83

Lateral subsurface water movement.

Answer 83

Seepage

Question 84

Meaning 𝐹 1.

Answer 84

First filial generation

Question 85

It is the ratio b/w the water delivered to the farm and water diverted from a source.

Answer 85

Water conveyance efficiency

Question 86

Terrace with 6-8% degree slope.

Answer 86

Broad base terrace

Question 87

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 rootzone is kept relatively free of excess water but is continually supplied with capillary moisture during the cropping season.

Answer 87

Sub-irrigation

Question 88

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

Answer 88

Furrow irrigation

Question 89

In earth embankment, on structures less than 15 meters high with average materials, the side slope should be steeper than ______ on the upstream face.

Answer 89

3:1

Question 90

In earth embankment, on structures less than 15 meters high with average materials, the side slope should be steeper than ______ on the downstream face.

Answer 90

2:1

Question 91

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

Answer 91

Convective precipitation

Question 92

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

Answer 92

Mulching

Question 93

The most common irrigation method used for low land | farming.

Answer 93

Basin irrigation

Question 94

It is the science of the movement of groundwater.

Answer 94

Hydrogeology

Question 95

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

Answer 95

Overhead sprinkle

Question 96

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

Answer 96

Pyrheliometer

Question 97

A male or female ox under one year old.

Answer 97

Calf

Question 98

Farming of aquatic organisms, freshwater & saltwater | organisms including mollusks, crustaceans & aquatic plants.

Answer 98

Aquaculture

Question 99

Zero is what type of number.

Answer 99

Integer

Question 100

Mathematical expression for the macroscopic flow of water | through a porous system.

Answer 100

Darcy’s law

Question 101

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

Answer 101

Headworks

Question 102

Well from which water flows under natural pressure without | pumping.

Answer 102

Artesian well

Question 103

Female swine w/c has not given birth.

Answer 103

Gilt

Question 104

Measure hemispherical solar irradiance or global radiation of a given hemisphere.

Answer 104

Pyranometer

Question 105

Measures the relative height or peakness.

Answer 105

Kurtosis

Question 106

flow of centrifugal pump

Answer 106

radial flow