AREA 2-T Flashcards by MICS M.

Area which contributes runoff or drains water into the reservoir (AMTEC, 2016 - PAES 609:2016).

A. River basin
B. Runoff reservoir
C. Watershed
D. Drainage divide

C. Watershed

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A thermometer that has a constriction above the bulb that permits the mercury to rise in the capillary tube but does not allow it to descend the capillary tube unless the thermometer is reset (PAGASA, 2022).

A. Minimum thermometer
B. Maximum thermometer
C. Air thermometer
D. Constrithermometer

B. Maximum thermometer

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The science that encompasses the occurrence, distribution, movement and properties of the waters of the earth and their relationship with the environment (USGS, 2022).

A. Meteorology
B. Hydrometeorology
C. Hydrology
D. Limnology

C. Hydrology

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The study of the biological, chemical, and physical features of lakes and other bodies of fresh water (Oxford Languages, 2022).

A. Meteorology
B. Hydrology
C. Hydrometeorology
D. Limnology

D. Limnology

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A branch of meteorology and hydrology that studies the transfer of water and energy between the land surface and the lower atmosphere (Wikipedia, 2022).

A. Meteorology
B. Hydrometeorology
C. Hydrology
D. Limnology

B. Hydrometeorology

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Heavy rainfall or rain that accumulates at a rate of 3 tenths of an inch (0.3 inch or about 7.5 mm), or more, per hour (US National Weather Service, 2022).

A. Storm
B. Typhoon
C. Torrential rain
D. Heavy rain

C. Torrential rain

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Dominant form of precipitation in the Philippines.

A. Flood
B. Rainfall
C. Runoff
D. Evaporation

B. Rainfall

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Kind of thermometer with pin inside its tube which does not go with the expanding liquid when temperature increases.

A. Maximum thermometer
B. Minimum thermometer
C. Air thermometer
D. Soil thermometer

B. Minimum thermometer

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An instrument to measure depth of rainfall.

A. Rainfall dip stick
B. Rain gage
C. Bucket
D. Rainfall meter

B. Rain gage

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Method of areal rainfall determination done by computing the weighted average.

A. Averaging method
B. Polygon Method
C. Arithmetic method
D. Isohyetal method

C. Arithmetic method

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Part of rainfall which runs off the soil as surface or subsurface flow.

A. Flood
B. Runoff
C. Percolation
D. Infiltration

B. Runoff

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Ratio of runoff over rainfall.

A. Runoff ratio
B. Runoff/rainfall ratio
C. Rainfall ratio
D. Runoff coefficient

D. Runoff coefficient

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The part of rainfall that is stored in the root zone and can be used by the plants (FAO, 2022). This excludes rainfall that does not reach the soil and percolation below the root zone. For grassed soil surface, it is estimated that this rainfall is greater than 0.5 mm/day.

A. Atmospheric rainfall
B. Effective rainfall
C. Precipitation
D. Torrential rainfall

B. Effective rainfall

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The inverse of the probability of exceedance of a certain hydrologic event.

A. Hydro probability
B. Probability of inceedance
C. Return period
D. Event probability

C. Return period

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Airmass lifting process which is mountain-facilitated.

A. Natural
B. Convective
C. Mountain lifting
D. Orographic

D. Orographic

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Airmass lifting process facilitated by sunlight or heating.

A. Natural
B. Convective
C. Mountain lifting
D. Orographic

B. Convective

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Indicates to what depth liquid precipitation would cover a horizontal surface in an
observation period if nothing could drain, evaporate or percolate from this surface
(Graf-Water, 2022).

A. Precipitation
B. Precipitation depth
C. Rainfall depth
D. Water depth

B. Precipitation depth

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The maximum permissible water velocity for clay loam canal surface based on PAES
603:2016 (AMTEC, 2016).

A. 1.2 m/s
B. 1 m/s
C. 0.9 m/s
D. 0.80 m/s

D. 0.80 m/s

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The minimum permissible velocity for water with sediments in lined canals based on PAES 603:2016 (AMTEC, 2016).

A. 1.2 m/s
B. 1 m/s
C. 0.9 m/s
D. 0.80 m/s

C. 0.9 m/s

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Application of water in the soil to supply moisture needed for plant growth.

A. Flooding
B. Sprinkling
C. Irrigation
D. Diverting

C. Irrigation

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Loss of water from a channel during transport due to seepage and percolation.

A. Channel loss
B. Seepage loss
C. Percolation loss
D. Conveyance loss

D. Conveyance loss

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Depth of water flow where the energy content is at minimum hence, no other backwater forces are involved.

A. Minimum depth
B. Critical depth
C. Energy depth
D. Normal depth

B. Critical depth

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Ratio of the actual crop evapotranspiration to its potential evapotranspiration.

A. Crop ratio
B. ET ratio
C. Crop coefficient
D. Evaporation ratio

C. Crop coefficient

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Moisture content of the soil when gravitational water has been removed.

A. Soil capacity
B. Gravitational moisture
C. Field capacity
D. Specific capacity

C. Field capacity

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Number of days between irrigation applications. A. Irrigation interval B. Application interval C. Dry interval D. Node interval

A. Irrigation interval

Removal of excess water. A. Squeezing B. Run off C. Discharging D. Drainage

D. Drainage

Elevated section of open channel used for crossing natural depressions. A. Parshall flume B. Flume C. Siphon D. Elevated channel

B. Flume

Surveying instrument used for determining land areas in a topographic maps. A. Aerometer B. Erometer C. Planimeter D. Lysimeter

C. Planimeter

Elevation of water surface in a stream with reference to a certain datum. A. Stage B. Surface elevation C. Contour D. Water elevation

A. Stage

Facility for determining water consumptive use of crops in an open field. A. Planimeter B. Lysimeter C. Consumeter D. Crop meter

B. Lysimeter

Time required to cover an area with one application of water. A. Irrigation interval B. Irrigation period C. Supply duration D. Application time

B. Irrigation period

At optimal emitter spacing, drip emitter spacing is ___ of the wetted diameter estimated from field tests. A. 100% B. 90% C. 80% D. 85%

C. 80%

Reference crop evapotranspiration is the rate of evapotranspiration from a reference surface which is a hypothetical reference crop with an assumed crop height of 0.2 m and an albedo of _______ (AMTEC, 2016 - PAES 602:2016). A. 0.23 B. 0.25 C. 0.30 D. 0.32

A. 0.23

Manufacturer’s coefficient of variation is the measure of the variability of discharge of a random sample of a given make, model and size of emitter, as provided by the manufacturer and before any field operations or aging has taken place determined through a discharge test of a sample of 50 emitters under a set pressure at ___ ºC (AMTEC, 2016 - PAES 608:2016 Part B). A. 20 B. 100 C. 50 D. 30

A. 20

Which one is the flattest canal side slope? A. 1:1 B. 1:4 C. 4:1 D. 2:1

C. 4:1

Slope of the upstream face of the embankment. A. Downstream slope B. Outside slope C. Inside slope D. Upstream slope

C. Inside slope

Inside bottom or sill of the conduit. A. Invert B. Inside base C. Inside sill D. Bottom sill

A. Invert

Closed conduit designed to convey canal water in full and under pressure running condition, to convey canal water by gravity under roadways, railways, drainage channels and local depressions. A. Close siphon B. Pressurized conduit C. Siphon D. Inverted siphon

D. Inverted siphon

_________ water requirement is the amount of water required in lowland rice production which is a function of the initial soil moisture and the physical properties of the soil. A. Land preparation B. Irrigation C. Crop D. Land soaking

A. Land preparation

__________ water requirement is the amount of water required in lowland rice production which includes water losses through evaporation, seepage, percolation and land soaking. A. Land preparation B. Irrigation C. Crop D. Field

A. Land preparation

Spacing between irrigation laterals. A. Ditch spacing B. Lateral spacing C. Horizontal spacing D. Irrigation spacing

B. Lateral spacing

Deep percolation of water beyond the root zone of plants, resulting in loss of salts or nutrients. A. Vertical percolation B. Root zone percolation C. Leaching D. Salt leaching

C. Leaching

Canal with impermeable material (usually concrete) for channel stabilization and/or reduced seepage. A. Line canal B. Lined canal C. Unlined canal D. Impermeable canal

B. Lined canal

Allowable pollutant-loading limit per unit of time, which the wastewater generator is permitted to discharge into any receiving body of water or land. A. Pollutant limit B. Loading limit C. Allowable limit D. Wastewater limit

B. Loading limit

10. Portion of the pipe network between the mainline and the laterals. A. Diversion pipe B. Manifold C. Main-lateral pipe D. Reducer

B. Manifold

Spillway which is not excavated such as natural draw, saddle or drainage way. A. Surface spillway B. Flood spillway C. Natural spillway D. Earth spillway

C. Natural spillway

Maximum elevation of the water surface which can be attained by the spillway-type dam or reservoir without flow in the spillway. A. Normal storage B. Maximum Storage C. Critical elevation D. Design depth

A. Normal storage

Constant flow depth along a longitudinal section of a channel under a uniform flow condition. A. Critical depth B. Constant depth C. Laminar depth D. Normal depth

D. Normal depth

Maximum elevation of the water surface which can be attained in an open channel without reaching the freeboard. A. Normal storage B. Maximum Storage C. Critical elevation D. Design depth

D. Design depth

In what condition is the open channel freeboard used for water conveyance? A. Maximum flow B. Emergency flow C. Inundation D. Rainy days

C. Inundation

The primary purpose in limiting water flow not to go below minimum velocity. A. Avoid percolation B. Avoid sedimentation C. Avoid critical depth D. Optimize flow

B. Avoid sedimentation

Open channel flow is water flow that is conveyed in such a manner that top surface is exposed to the atmosphere such as flow in canals, ditches, drainage channels, culverts, and pipes under _____ flow conditions. A. Full B. Partially full C. Normal D. Critical

B. Partially full

Part of the system that impounds the runoff. A. Storage B. Reservoir C. Impounding D. Runoff collector

B. Reservoir

Slope at the downstream face of the embankment. A. Outside slope B. Inside slope C. Side slope D. Soil gradient

A. Outside slope

Ratio between reference evapotranspiration and water loss by evaporation from an open water surface of a pan. A. Pan coefficient B. Evaporation ratio C. Reference pan ratio D. ET ratio

A. Pan coefficient

Rate of water loss by evaporation from an open water surface of a pan. A. Surface evaporation B. Sunken evaporation C. Pan evaporation D. Evaporation loss

C. Pan evaporation

Vertical flow of water below the root zone which is affected by soil structure, texture, bulk density, mineralogy, organic matter content, salt type and concentration. A. Leaching B. Percolation C. Infiltration D. Seepage

B. Percolation

The process by which the soil is removed from its natural place. A. Soil removal B. Runoff C. Soil erosion D. Leaching

C. Soil erosion

Vertical flow of water to carry salts contained in water. A. Leaching B. Percolation C. Infiltration D. Seepage

A. Leaching

Method to determine the rate of flow under laminar flow conditions through a unit cross sectional area of soil under unit hydraulic gradient. A. Permeability test B. Laminar test C. Flow test D. Hydraulic test

A. Permeability test

A kind of terrace which consists of a series of flattened areas. A. Broad-base terrace B. Bench terrace C. Conservation terrace D. Rice terrace

B. Bench terrace

The practice where legumes are plowed or incorporated into the soil. A. Legume incorporation B. Legume manuring C. Green manuring D. Manuring

C. Green manuring

Farming practice where plowing and harrowing are done along the contour. A. Contouring B. Strip cropping C. Crop row aligning D. Contour plowing

A. Contouring

The simplest method of determining soil erosion over a period of time. A. Catchment method B. Erometer method C. Plumb bob method D. Pin method

D. Pin method

Advanced form of erosion. A. Rill erosion B. Gully erosion C. Sheet erosion D. Advanced erosion

B. Gully erosion

Dam which resists water flow of water by its weight. A. Resisting dam B. Buttress dam C. Gravity dam D. Arc dam

C. Gravity dam

Dam consisting of stones enclosed in cyclone wires which allows water passage. A. Gabion dam B. Stone dam C. Cyclone dam D. Interlink dam

A. Gabion dam

Material used to cover the soil to minimize evapotranspiration. A. Plastic B. Mulch C. Leaves D. Soil cover

B. Mulch

Geological formation shaped by the dissolution of a layer or layers of soluble bedrock, usually carbonate rocks such as limestone or dolomite. A. Geological layer B. Dissolved layer C. Soluble layer D. Karst topography

D. Karst topography

Scientific name of carabao grass commonly used in vegetated open channels. A. Glerisedia sepium B. Paspalum conjugatum C. Cyperus rotundos D. Leucaena leucocepala

B. Paspalum conjugatum

Philippine geographical constant for determining terrace vertical interval. A. 0.5 B. 0.8 C. 1 D. 1.5

A. 0.5

Constant for soil erodibility and cover conditions for erodible soil and poor cover. A. 0.5 B. 0.8 C. 1 D. 1.5

C. 1

Based on PhilMech’s 2011 and 2012 agricultural statistics of Asian countries, the Philippine farm mechanizationshowed an upswing trend which recorded an average mechanization level of 1.23 hp/ha; rice and corn farms registered the highest level of available farm power at 2.31 hp/ha (Philippine Official Gazette, 2013). For the Philippines to level up with Japan, the leader in Asia, agricultural and biosystems engineers should know Japan’s statistics. What was the average level of farm mechanization in Japan as of 2012? A. 7 hp/ha B. 8 hp/ha C. 9 hp/ha D. 10 hp/ha

A. 7 hp/ha

Based on the agricultural statistics survey of PhilMech in 2011 and 2012, ____ percent of the total farm power is available for use in production operations while the remaining percentage is used for postharvest operations. A. 60 B. 70 C. 80 D. 90

B. 70

An applied science that is concerned with quantitative decision problems that generally involve the allocation and control of limited resources (IEOR-Columbia, 2022). A. Operations research B. Management C. Control D. Decision making

A. Operations research

You are the project engineer of an ABE company having a project involving 3 constraints, 5 stages and 18 locations. To minimize project duration, which technique will you use? A. Dynamic programming B. Linear programming C. PERT/CPM D. GANTT Charting

C. PERT/CPM

In an experiment, the total degrees of freedom increase as ___________ increases. A. Level of significance B. Replication C. Error D. Mean square

B. Replication

In a rice yield experiment, pre-experiment data shows varying soil fertility in the field. What experimental design should be used such that the effects of blocking can be determined? A. RCBD B. CRD C. Latin square D. DMRT

A. RCBD

Per Department of Agriculture Administrative Order No. 4, series of 2022, the minimum inorganic fertilizer rates should be ___ bags/hectare (3 bags urea plus three bags 14-14-14 or three bags urea plus two bags 16-20-0 and one bag 0-0-60). A. 5 B. 6 C. 7 D. 8

B. 6

Per BFAR standard, the intensive stocking density of tilapia is __ heads per square meter. A. 3 B. 4-8 C. >8 D. 3-5

C. >8

Intensive fish stocking density needs _________ feeds. A. Natural feeds B. Commercial C. Organic feeds D. Plankton

B. Commercial

Tilapia fingerlings daily need feeds equivalent to ____% of body weight. A. 2-5 B. 5-10 C. 10-15 D. 15-30

C. 10-15

Tilapia feeding frequency. A. Once in 2 days B. Once daily C. 2-3 times daily D. 3-4 times daily

C. 2-3 times daily

A marketable size tilapia weighs ___ grams/head. A. >76 B. >81 C. >86 D. >91

D. >91

Tilapia fry daily needs feeds equivalent to ____% of body weight. A. 2-5 B. 5-10 C. 10-15 D. 15-30

D. 15-30

A gas occupies a volume of 4.0 liters at a pressure of 200 kPa. The volume is decreased to 2.0 liters while the temperature remains constant. What gas law should be used to determine the new pressure of the gas? a. Charle's Law b. Boyle's Law c. Gay-Lussac's Law d. Ideal Gas Law

b. Boyle's Law

Which dimensionless number relates momentum diffusivity (kinematic viscosity) to thermal diffusivity? a. Reynolds Number b. Schmidt Number c. Prandtl Number d. Lewis Number

c. Prandtl Number

Which of the following dimensionless numbers is used to determine whether a fluid flow is laminar or turbulent by comparing inertial forces to viscous forces? a. Prandtl number b. Lewis number c. Reynolds number d. Schmidt number

c. Reynolds number

What is the heat needed to change the temperature of the body without changing it phase? a. Latent heat b. Sensible heat c. Radiant heat d. Specific heat

b. Sensible heat

A metal rod is heated at one end using a flame in open air. After some time, the far end of the rod, which is not in direct contact with the flame, becomes hot. Which of the following heat transfer mechanisms are primarily responsible for heating the far end of the rod? a. conduction only b. conduction and radiation c. convection and radiation d. conduction, convection, radiation

a. conduction only

Which surveying tool is used to establish a true vertical line by the action of gravity? a. Traverse b. Azimuth c. Bearing d. Plumb Line

d. Plumb Line

In leveling, what do you call a temporary point of known elevation used when the leveling instrument must be moved to a new location? a. Backsight b. Benchmark c. Turning Point d. Foresight

c. Turning Point

Which of the following statements is TRUE about the ideal vapor-compression refrigeration cycle? a. The refrigerant enters the compressor as a saturated liquid. b. Heat is rejected in the evaporator and absorbed in the condenser. c. The expansion process in an ideal cycle is isentropic. d. The refrigerant enters the compressor as a saturated vapor and exits the condenser as a saturated liquid.

d. The refrigerant enters the compressor as a saturated vapor and exits the condenser as a saturated liquid.

What does SI stand for in the context of measurement units? a. Scientific International b. Standardized Index c. International System of Units d. System of Integration

c. International System of Units

What is the standard unit of power in the SI system? a. Newton b. Joule c. Watt d. Horsepower

c. Watt

AREA 2-T Flashcards

(95 cards)