PART 2 - 2008

Question 1

How can you classify the climate in fig 2?

Answer 1

type 2

Question 2

in a critical flow, specific energy is ___ for a given discharge, and the discharge is ___ for a given specific energy

Answer 2

minimum; maximum

Question 3

it is the most important consideration for the side slope of a channel

Answer 3

kind of channel material

Question 4

this is a colorless and odorless gas at ambient concentrations and is a major component of smog, it irritates the respiratory tract and eyes

Answer 4

ozone

Question 5

The wet land prep for planting rice consists of soaking, plowing, and puddling, The third step involves harrowing or rotavating of land under shallow submerged conditions. The following are the functions of puddling except:

reduce soil permeability
control weeds
decreas soil acidity
destruction of soil aggregates and macro-pore volume
for ease of transplanting

Answer 5

destruction of soil aggregates

Question 6

scientific name of santol

Answer 6

Sandoricum koetjape

Question 7

which employ price-lining technology

Answer 7

P-99 store

Question 8

If sprinkler irrigation is applied to an area with many irregular or curved boundaries , what is the appropriate pattern to be used?

Answer 8

sliding

Question 9

what is true about unconfined aquifer

Answer 9

it is found in two permeable layers

Question 10

what three most important factors input into the determination of prices

Answer 10

cost, demand, competition

Question 11

irrigation systems that have relatively large service areas and are managed by government agencies

Answer 11

NIS

Question 12

it is 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

Answer 12

water storage efficiency

Question 13

which is not true about pipe flow

• it exerts no direct pressure
• it has no free surface
• flow is confined in a closed conduit
• it exerts hydraulic pressure
• flow is subjected to atmospheric pressure

Answer 13

flow is subjected to atmospheric pressure

Question 14

what type of gully is figure 2

Answer 14

dendritic

Question 15

who is a merchant

Answer 15

someone who buys and resells commodities

Question 16

the physical characteristics of water which greatly affect the survival of flora and fauna in the body of water, and its increase will also cause increase in the biological activity abd higher demand for dissolved oxygen

Answer 16

temperature

Question 17

which does not belong to the group

yorkshire
duroc
hampshire
berkshire

Answer 17

yorkshire

Question 18

PVC

Answer 18

polyvinyl chloridew

Question 19

which is not a correct description of a soil erosion plot which is used to experimentally measure soil erosion

bare follow
9% slope
22 m long
7.26 ft high
inclined

Answer 19

7.26 ft

Question 20

infiltration has ____ initial rate that diminishes with time

Answer 20

high

Question 21

A centrifugal pump is used to irrigate an entire field. But upon starting the engine, the pump has shakes and produces too much noise. Worse, the water discharged has inconsistent flow. What is the probable remedy for the uneven water discharge? How will the problem on vibration and noise be solved?

Answer 21

• tighten defective gland packing
• check if impeller and casing rub

Question 22

what factors would lead a marketer to adopt a going-rate pricing strategy

Answer 22

there are no product differentiation and competitor moves are uncertain

Question 23

an equation or method used in the estimation and representation of evapotranspiration rate

Answer 23

hargreaves equation

Question 24

the number of crops grown per annum on a given area of land

Answer 24

cropping index

Question 25

scientific name of pullet

Answer 25

gallus gallus

Question 26

when laterals of a sprinkler irrigation system _____ the pressure in the lateral ____ because of friction and because of the change in elevation

Answer 26

uphill; drops

Question 27

if the operating pressure of a sprinkler nozzle is doubled but the diameter remains the same, what will happen to the discharge

Answer 27

increase by 41.4%

Question 28

a campaign against the importation of GMO is done by some organization of local growers. what marketing management task is employer

Answer 28

countermarketing

Question 29

static water level is the level at which the water rests in a well before pumping. on the other hand, pumping water level is the level at which water stands in a well when pumping at any given rate. what do you call the difference between the two water levels?

Answer 29

drawdown

Question 30

how does a gully develop (CUHS)

Answer 30

- channel erosion by downward scour of the topsoil -upward movement of gully head and enlargement of the gully width - healing stage - stabilization stage

Question 31

which best describe the red soil?

Answer 31

contains plenty of iron with good drainage

Question 32

it is a process of destroying most disease-producing microorganisms and limiting fermentation in milk subjected to heating for definite time at a definite temperature and thereafter cooling it immediately

Answer 32

pasteurization

Question 33

the wastes resulting from the production and processing of crops and animals of agricultural products, including manures with at least 20% solids, pruning and crop residues wherever produced

Answer 33

agricultural solid waste

Question 34

this is the highest classification of coastal and marine water. water is deemed suitable for growing fishes and shellfishes for commercial purposes. the water can even be classified as tourist, zone or a national marine park. what is this water classification?

Answer 34

SA

Question 35

these are crops planted too late for regular crops after regular crops have failed on the account of unfavorable weather conditions

Answer 35

catch crops

Question 36

process of removing air in the suction line of the water pump

Answer 36

priming

Question 37

under microirrigation system, water is applied

Answer 37

at low flow rates

Question 38

removal of impurities inside the pipes

Answer 38

flushing

Question 39

which does not belong to the group detention dams SWIP CIS SFR reservoir dam

Answer 39

CIS

Question 40

Its purpose is to prevent erosion at the toe of the dam which may result to failure to structure.

Answer 40

apron

Question 41

the chemical constituent of water which hastens growth of aquatic vegetation and sometimes lead to eutrophication

Answer 41

phosphorus

Question 42

at what soil type will the furrow length be longer in a furrow irrigation system

Answer 42

clay soil

Question 43

these are wells that are used for obtaining only freshwater in situations where freshwater and saltwater interface blend

Answer 43

skimming wells

Question 44

if the impeller width of a pump is decreased by 40%, what will happen to the head required?

Answer 44

decreased by 64%

Question 45

it is the fraction of water entering the soil that must pass through the root zone in order to prevent soil salinity from exceeding a specified value

Answer 45

leaching requirement

Question 46

how does tropical cyclone develop

Answer 46

tropical depression tropical storm typhoon

Question 47

the following are the main functions of terracing, except

Question 48

the following are the main functions of terracing, except for farmability abd tillability of slopeland for reduction of soil erosion for flood control for increased soil fertility for water conservation

Answer 48

for increased soil fertility

Question 49

it is often used where accurate measurement of low streamflows are required

Answer 49

sharp-crested weir

Question 50

the three most common varieties of bananas in the xountry

Answer 50

lacatan, latundan, saba

Question 51

its purpose is to increase the flow velocity and decrease the length of levees by shortening the channel length

Answer 51

cut-offs

Question 52

this mineral element increases root growth and gasrebs ripeningof fruits

Answer 52

phosphorus

Question 53

evaporation occurs when some water molecules in a free water surface attain enough kinetic energy to overcome the attractive forces of the other molecules. the motion of the escaping molecules produces a pressure which is called as

Answer 53

vapor