Browse all practice questions for the Area III Agricultural Mechanization, Power, Machinery and Equipment and Allied Subjects Practice Exam. Search by topic, open any question and review its full explanation, then test yourself in the practice quiz.

Area III Agricultural Mechanization & Equipment Practice Exam 2026 – Your Comprehensive All-in-One Guide to Success! course image
More practice questions

These questions are part of the practice quiz. Start practicing

  • What is the minimum methane content in biogas for it to combust?
  • In corn processing, where is the grain separated from the cob?
  • Which engine component includes the valves and forms the top boundary of the combustion chamber?
  • It is part of an engine where the valves are positioned. Which component is this?
  • Which factor is a major determinant of the life expectancy of agricultural equipment?
  • Which instrument is typically used to diagnose ignition and other electrical problems of an engine?
  • In the horsepower equation Q x H / 3960 x Eff, what does Eff represent?
  • Primary tillage equipment that cuts the soil to a depth of 6 to 18 inches is called:
  • Tools used to make holes or change the size or shape of holes.
  • The Japanese combine is characterized by which of the following?
  • Which crop in the Philippines has the highest production per year?
  • The typical depth for primary tillage equipment is:
  • Which option lists the depth range for the primary implement with the correct value 6-36 inches?
  • Seed produced from Foundation seed and distributed to all accredited seed producers for mass production is called?
  • Which processing stage uses the shelling drum?
  • If a product can satisfy consumer needs, it possesses what attribute?
  • Twelve man-days is most equivalent to which work arrangement?
  • What compression pressure range is typical for a small gasoline engine?
  • Which component of a rice mill removes the bran layer from brown rice?
  • If seeding rate is 15 kg/ha, how many kilograms of seed are needed to seed 200 hectares?
  • The horizontal seed plate is used for:
  • What is the process by which a farm manager looks ahead to the future and contemplates alternative courses of action for the farm?
  • An engine condition in which it has abnormally increased its temperature due to faulty cooling, lubricating, and other mechanical trouble.
  • Which government entity is chiefly tasked with disseminating AES to all classes of municipality?
  • Dissemination of AES to all classes of municipality is primarily managed by which government entity?
  • Which implement is highly saleable with annual sales between 16,000 and 20,000 units?
  • Which term refers to the process of inspecting, testing, repairing and adjusting an engine to restore peak efficiency?
  • The classes of risks in agriculture results from which factor?
  • In an ideal diesel engine, the combustion of fuel occurs at:
  • Dissemination of AES across municipal classes is chiefly the role of which body?
  • What term describes rapid burning of a portion of fuel in the engine's combustion chamber?
  • A loud sound emanating from an engine generally due to losses or worn parts, pre-ignition or detonation. What is it called?
  • It is a part of the plow that connects the plow bottom and the frame.
  • If mechanical work is done at a rate of 1 ft-lb per second, what is its equivalent in watts?
  • What is the term for a government tax on imported goods?
  • Seed produced from Foundation Seed and distributed to all accredited seed producers for mass production is called:
  • From land preparation up to post harvest production in the Philippines, which crop is highly mechanized?
  • What term describes the unplowed strip around a field used to turn agricultural equipment?
  • The Consumer Act of the Philippines is covered under:
  • Which tariff is based on the weight or quantity of goods rather than their value?
  • Which tillage term refers to conventional tillage commonly used on farms?
  • Which term describes the professional services and inputs used by operators?
  • Head rice is determined by grain length; it is at least what fraction of the average grain length?
  • Which factor does not primarily influence spray application effectiveness?
  • The IRRI drum seeder is an example of which planter type?
  • Which pest control method is not considered an engineering control?
  • What type of power do PTO shafts deliver?
  • This rating is given to diesel fuels for their ability to burn without detonating as compared with the performance of reference fuels.
  • Which pump type is most commonly used for domestic and irrigation purposes, featuring an impeller inside an involute casing?
  • Which fuel type is most suitable for an updraft gasifier based on the given descriptions?
  • A knocking sound produced due to incomplete combustion of fuel inside the combustion chamber of an engine is called what?
  • Threshing cylinder is also known as which component?
  • Which option best identifies the major factor driving soil erosion in many regions?
  • According to the National Irrigation Administration (NIA) water requirement for rice production is:
  • In a four-stroke engine, which event is characterized by the exhaust of burned gases?
  • From land preparation up to post harvest, which crop is highly mechanized in the Philippines?
  • Which term indicates the maximum load that can be safely carried by an electric motor under continuous operation?
  • Break-even analysis helps determine the minimum sales volume required to avoid losses. Which option best represents this concept?
  • The Rice Tariffication law of 2019 is also known as which Republic Act number?
  • Rice hull gasifier efficiency normally ranges from which interval?
  • Which of the following gives the highest brake power value?
  • What is the central part of a plow where the share, moldboard, and landside are attached?
  • Which engine cycle uses constant pressure during combustion?
  • Which agency does not belong to the Department of Agriculture?
  • In plow construction, what is the function of the frog?
  • Which term is not described among the seed types listed?
  • A board foot is defined as a piece of wood that measures one square foot and one inch thick. Which option correctly states this definition?
  • Burning efficiency of rice hull furnaces is between what percent?
  • The depth of the plow is dependent on which factors?
  • Which cropping practice involves growing two or more crops simultaneously and intermingled with no row arrangement?
  • Characteristics of a manager except:
  • Heavy duty type power tiller basically consists of ______ axles.
  • The abnormal rapid combustion occurring simultaneously with normal combustion manifested by the loss of power, overheating, rough operation, and sharp ringing sound is commonly called what?
  • What is the term for the sum of the piston displacement and the clearance volume?
  • The following are methods of reducing risks in agriculture, except:
  • During testing, who is typically responsible for operating and adjusting the machine and deciding on operation matters?
  • Minimum allowable safe height of sack pile in bag storage?
  • Materials used to securely join separate parts of an object or structure are called:
  • The asset type for a professional license is?
  • Which engine component reduces vibration and stores energy?
  • Certified seeds are intended for distribution to which group for farming?
  • Which term describes the process of breaking fuel into fine droplets (atomization)?
  • Which accounting concept accounts for wear and tear of fixed assets over time?
  • Crude oil is mainly composed of what?
  • Which engine component also serves as the lubrication reservoir and is sometimes called an oil sump?
  • Which of the following is not based in a university? AMTEC, Phil SCAT, AMDP, PCARRD
  • Which implement is used to plant seed in a furrow?
  • Which term describes the process of inspecting and adjusting an engine to achieve peak efficiency?
  • What is the recommended top width of an earth embankment?
  • Which device is used to measure the quantity of oil in the crankcase?
  • In an ideal Otto engine, the combustion of fuel occurs at:
  • In wind turbine technology, which term refers specifically to a vertical-axis design with a relatively low tip-speed ratio?
  • It is the part of an engine where valve is positioned.
  • What is the device that connects and disconnects power input to the power output?
  • What term describes the sequence in which cylinders fire in an internal combustion engine?
  • Which state houses the international tractor testing center?
  • What term is also known as the ad valorem tax?
  • In policy terms, the primary channel for AES dissemination across all municipalities is which entity?
  • Which agency is not based in the university?
  • Which three factors collectively determine the depth to which a plow can penetrate during field plowing?
  • Which market structure is defined by many sellers offering differentiated products?
  • Which factor among nozzle diameter, spraying time, forward speed, and spray material is most affecting sprayer performance?
  • What is the typical function of a reaper?
  • Foundation seeds are typically used to produce which seed class for mass production?
  • Agricultural machine highly salable in the Philippines?
  • If a test run is interrupted due to malfunction, the proper protocol is to
  • Which planter is typically designed to plant seeds in rows and in hills?
  • What is the acceptable wheel slip percentage for a two-wheel drive tractor operating on tilled or soft soil?
  • Which machine is commonly used for tillage in small-scale mechanization?
  • The clutch is normally in what position?
  • In the firing order 1-3-4-2, which cylinder fires second?
  • What term refers to a knocking sound produced due to incomplete combustion inside an engine?
  • Which component in a wind energy system converts wind energy to electrical energy for outputs above 100 kW?
  • What is the density of gasoline fuel?
  • If a machine is committed to operation for 9 hours and operates effectively for 7 hours, its time efficiency is closest to which value?
  • Which planter is used for row spacing greater than 36 cm?
  • The standard throttling adjustment of an engine is best represented by which value?
  • What is the device at the rear of a tractor used to propel power implements?
  • The direct type of power transmission system has what efficiency?
  • Identify the state hosting the international tractor testing center.
  • Seed produced from the Registered seed by accredited seed producers and distributed to farmers for commercial production is called?
  • Which term describes the application of chemical over the entire area to be treated?
  • Which soil-working part is used by push-type weeders in wetland?
  • Which device is used to deposit seeds into a furrow?
  • What is the primary gas produced during gasification?
  • What term describes growing more than one crop on the same land in one year?
  • The power rating classification for four-wheel standard light tractor?
  • An engine operating with no external load is described as being in which condition?
  • Which term describes the motor type in which the field winding is connected in parallel with the armature?
  • Among the following, which body is primarily responsible for disseminating AES to all municipalities?
  • Which metric is considered a discounted measure of project worth?
  • Which role described as promoting agricultural machinery and may function as a sales engineer?
  • The three main sources of power for mechanization include:
  • The gasoline engine is characterized as:
  • What is the threshing efficiency of the mechanical rice thresher?
  • What is the distance the piston travels in one direction called?
  • What is the useful service life of the machine before it becomes unprofitable for its original purpose due to obsolescence or wear?
  • Which secondary tillage operation pulverizes, smoothens, and packs the soil during seedbed preparation and also helps control weeds?
  • An AE is promoting agricultural machineries, this implies that an AE can be?
  • Amount paid for hiring equipment and operating services to perform a certain task.
  • Which law deals with the mechanization of agriculture and fisheries?
  • What is the sum of the piston displacement and the clearance volume called?
  • What is the bulk density range of rice husk?
  • From the concept of optimizing machine capacity, which arrangement is recommended?
  • Which cropping method involves growing two or more crops in alternate rows?
  • Which term describes intangible products that offer financial, legal, medical, or recreational benefits to customers?
  • Which statement reflects the warranty period for a hand tractor?
  • The three-phase electric motor is characterized as:
  • Diesel engines typically require ignition timing in the range of:
  • What term describes the removal of burned gases from the combustion chamber?
  • Which project structure may be prepared, signed and sealed by an Architect, Civil Engineer, and Agricultural Engineer?
  • Which gas producer type can gasify wet fuel?
  • The amount of any material applied per unit treated by a sprayer is called what?
  • Planter designed to plant seeds continuously in rows with row spacing greater than 36 cm is called:
  • It serves as the lubricating system too and sometime it is called oil sump.
  • The excessive amount of tars produced in the combustion of agricultural waste is primarily due to what?
  • Which term best describes a tangible product that can be touched and seen?
  • The IRRI drum seeder is an example of:
  • Which of the following is not one of the three main sources of power for mechanization?
  • To optimize the capacity of a machine, it is recommended to have
  • Weeding index measures what?
  • Registered seeds are used to produce which seed class for commercial production?
  • Which organization is responsible for manufacturing and distributing agricultural machineries?
  • Weeding index calculation: If a field has 40 weeds per square meter before weeding and 8 after, what is the weeding index?
  • The building code of the Philippines is executed through which instrument?
  • Which range best describes the thermal efficiency of rice hull furnaces?
  • Which implement is used to plant seed in a furrow?
  • These designs were introduced to increase tractor safety. What is the safety feature?
  • The primary factor that affects the performance of the sprayer is
  • Which agency is associated with mechanization research and development in agriculture?
  • In allocating AES information to municipalities, which level of government is typically responsible?
  • The efficiency of a direct power transmission system is typically what percentage?
  • Identify the pump type that uses an impeller inside a fixed casing and is widely used for various fluid-handling needs.
  • What is the typical speed range for a medium speed engine?
  • What is the upper bound of the safe height range for sack piles (18-25 sacks)?
  • Ignition timing for gasoline engine.
  • What term describes a situation where imports equal exports?
  • A situation where a change in price does not lead to change in demand is described as
  • What term denotes a sequence of equal payments made at equal intervals of time?
  • Diesel engine knocking is typically caused by what timing issue?
  • The IRRI axial-flow thresher is characterized as?
  • One BTU is equal to how many calories?
  • What is the API gravity of a premium gasoline?
  • Head rice is defined as grain whose length is at least what fraction of the average whole grain length?
  • What is the unplowed portion of land used for turning tractors and implements called?
  • Which of the following is not a mechanical function of a planter?
  • In a four-stroke engine, which event is characterized by the exhaust of burned gases?
  • In mechanization, hp/ha is a measure of what concept?
  • What is the PTO rpm of a lawn mower and garden ride-on tractor?
  • In seeder and planter tests, the minimum test area for a manual seeding implement is not less than how many square meters?
  • Break-even point is defined as the sales level at which
  • What term describes the power required to pull an attached implement?
  • Gasoline density is approximately which value?
  • In gasification processes, the primary product gas is which compound?
  • On what date did the Philippines adopt the metric system?
  • What is the space inside the cylinder when the piston is at the top dead center position called?
  • PD 1096 is an example of which type of regulatory instrument?
  • ROPS stands for which of the following?
  • Which government agency develops the Philippine National Standards (PNS)?
  • In order to self-ignite the air-fuel mixture in a diesel engine, which condition must be high enough?
  • In combustion systems, which air is supplied to ensure complete combustion of fuel gases?
  • What term describes the useful service life of a machine before it becomes unprofitable due to obsolescence or wear?
  • Horsepower per hectare (hp/ha) is a measure of which concept in agriculture?
  • Which factor greatly affects the lifespan of agricultural implements?
  • Which seed type is produced from the registered seed by accredited seed producers and distributed to farmers for commercial production?
  • Which instrument is used to measure furnace temperature?
  • Which crop has the highest annual production in the Philippines among the following?
  • Arrange the seed types in the typical production sequence from source to distribution.
  • Solid blocks or masses that are cut, sheared or broken loose by tillage tool.
  • The thermal efficiency of rice hull furnaces is between?
  • Which instrument is used to diagnose engine ignition and electrical problems?
  • What is the percentage by weight of oxygen in air?
  • In a compression-ignition engine, which device introduces the fuel into the cylinder?
  • What is the process called when fuel is broken into fine droplets by high-velocity air flowing through a nozzle?
  • What term refers to the bend downward of the point of the share to make the plow penetrate the soil to the proper depth?
  • Part of rice thresher which encloses threshing cylinder and allows the separation of the grains from the panicle?
  • Before the adoption of mechanized harvest and postharvest operations for rice, field losses were:
  • Which state is home to the international testing center for tractors?
  • When calibrating a sprayer, the agricultural engineer's primary action is to
  • When heat alone is used to melt and flow metal together, the process is known as?
  • What value corresponds to the PTO rpm for lawn mowers and garden ride-on tractors?
  • Which type of soil working parts is utilized by push-type weeders for wetland?
  • One pk is equal to how many watts?
  • Which device at the rear of the tractor transmits engine power to an attached implement?
  • The standard hydraulic cylinder stroke length is best described as?
  • What is the air required for complete combustion of combustible gases?
  • In the wattage conversion context, which value is the watt equivalent of 1 pk?
  • What is the term for the act of analyzing, testing, and measuring an engine to remedy the cause of trouble?
  • Which engine part provides a passage for air, fuel and exhaust gases to pass?
  • Which cropping method involves growing two or more crops in alternate rows?
  • Which term is used interchangeably with 'threshing cylinder' in some literature?
  • Which parameter is not required in determining the field capacity of a planter?
  • Which of the following correctly identifies the range used for standards numbers in agricultural machinery?
  • What is produced by partial combustion of carbonaceous substances like coal and wood?
  • Which factor among the following most affects sprayer performance?
  • Why is high viscosity engine oil considered desirable to use?
  • What is the recommended spacing for planting rice?
  • If during the test run, the machine slope due to breakdown or malfunctions, the test should be?
  • In typical practice, how many units of LOKS does a farmer have?
  • The portion of an implement designed to connect the implement to a power source is called
  • The device with adjustable orifice and agitator used for sowing seeds is called?
  • Standard throttling adjustment of an engine.
  • A piece of wood that is one square foot and one inch thick is called a what?
  • PAES minimum space for birds per 100 birds?
  • The international testing center for tractors is located in which U.S. state?
  • Which entity is most closely associated with ensuring AES reach to all municipalities in a local governance framework?
  • Which parameter is not required in the calibration of a planter?
  • What term defines the ratio, in percent, of grain weight lost as scattering during threshing to the total grain input?
  • Dissemination of AES to all classes of municipality is primarily the responsibility of which administrative unit?
  • Which of the following statements best describes a direct drive power transmission system's efficiency?
  • An engine running without load is in which condition?
  • A levy based upon the weight or quantity of imported/exported merchandized goods is called?
  • Identify the state hosting the international testing center for tractors.
  • Too much fuel or too little air in combustion chamber is described as which issue?
  • Which agency oversees mechanization research and development in agriculture?
  • Planter designed to plant seeds in rows and in hills is called:
  • What term describes the percentage ratio of the time a machine is effectively operating to the total time it is committed to the operation?
  • What is the PTO rpm of a lawn mower and garden ride-on tractors?
  • Which of the following is a binding agreement enforceable by law?
  • The development of PAES started in what year?
  • Which pair of consecutive farm operations can increase cropping intensity when done mechanically?
  • Ignition timing for diesel engine.
  • The international testing center for tractors is located in which state?
  • What is the typical bulk density range for rice husk?
  • What is the described compression pressure range for small gasoline engines?
  • In production, the recommended depth of the primary implement is within which range?
  • Which term describes the extra margin of strength provided to prevent parts failure?
  • What term describes tangible products that consumers can evaluate by touching, seeing, or hearing?
  • Which instrument is typically used to measure furnace temperature by converting thermal gradients into electrical signals?
  • In machine testing, who shall operate, adjust and shall decide on matters related to the operation of the machine?
  • Which tillage type is traditionally performed?
  • Draft of plows is primarily determined by?
  • Primary reason for low engine oil pressure during operation?
  • The IRRI drum seeder is an example of which planter type? (variant)
  • Which option best identifies the major factor driving erosion in many regions?
  • What is the required water temperature range in testing a pump?
  • A direct type of the power transmission system has an efficiency of how much?
  • The IRRI drum seeder is an example of which planter type?
  • Seed produced from the registered seed by accredited seed producers and distributed to farmers for commercial production is called:
  • A binding agreement that the courts will enforce.
  • On a planter, which component controls the rate of seed discharge?
  • The burning temperature of most agricultural waste is in which range?
  • Which term represents wealth in money or property that can be used to produce more wealth?
  • In an ideal Otto engine, the combustion of fuel occurs at:
  • In spray application, which term defines the amount of material applied per unit treated?
  • What is the firing order for a four-cylinder engine with the sequence 1-3-4-2?
  • Which type of equipment has an adjustable orifice with agitator?
  • A heavy duty power tiller typically consists of which axle configuration?
  • What is the Carbon to Nitrogen ratio (CN) in biogas?
  • Gear oil is used for which component?
  • Which term refers to freshly cut trees, raw logs and large sizes of sawn logs that are usually 4 inches thick?
  • What is the minimum seeding rate for rice when using a precision seeder?
  • According to AMDP 1997, level of mechanization (hp/ha) for rice and corn?
  • Which grain-straw ratio range is used for testing a rice thresher?
  • Sequential firing or combustion of the fuel charge inside the engine in the combustion chamber is called what?
  • In rice milling, which device is used to remove bran from brown rice?
  • Which motor type is described as low initial cost - low operating cost?
  • What is the RA number for the Renewable Act of 2008?
  • What range represents the thermal efficiency of engines?
  • Actual rate performance of machine on land or crop processed in a given time based upon total field time.
  • The rate of performance when a machine runs at its rated speed with full width is called:
  • Which device is used to measure the quantity of oil in the crankcase?
  • It is a vertical axis windmill with a very low tip-speed ratio.
  • A valve operates:
  • Which market structure is characterized by many firms selling similar products and differentiating them?
  • What is the speed range of a medium-speed engine?
  • Which cropping practice involves cultivating more than one crop on the same land in a single year?
  • This fuel mixture of 90% gasoline and 10% alcohol is used as a fuel for spark ignition engines. What is it called?
  • Level of mechanization in Rice (hp/ha)?
  • Which cropping practice involves growing two or more crops simultaneously and intermingled with no row arrangement?
  • Which metric represents a discounted measure of project worth?
  • Exchange of goods and services is typically governed by what price term?
  • The international tractor testing center is located in which state?
  • Which engine type is described as low initial cost - high operating cost?
  • The rate of machine performance measured under actual field time is known as:
  • An agricultural engineering license is a type of asset that is?
  • Drying efficiency is defined as the ratio of
  • Which device adjusts the air-fuel mixture to be rich on high load and lean on under load?
  • What implement is described as cutting rice stalks and laying them on one side before threshing?
  • Machine operation in which two or more machines perform their own respective operation simultaneously is called:
  • What percentage is contingency cost?
  • If you invest P50,000 today at 9% interest, how many years are required for the investment to be worth P125,000?
  • Which term refers to taxes on imported goods?
  • AFMECH LAW governs mechanization in which sectors?
  • RA 11203 is commonly known as which law?
  • An engine part where power takes place.
  • How many times greater is the power of a carabao over a man?
  • IRRI axial-flow threshers are described as what type?
  • Which organization acronym stands for manufacturing and distributing agricultural machinery?
  • What is the angle in the soil surface plane perpendicular to the direction of travel between the tool axis and the line perpendicular to the direction of travel?
  • Which term defines the maximum load a component can sustain beyond which failure is likely?
  • How many volumes of PAES were adopted by the Department of Agriculture?
  • Which motor type has the field winding connected in parallel with the armature?
  • What is the standard stroke travel length for a hydraulic cylinder?
  • The grain-straw ratio range for testing a rice thresher is?
  • Which term describes freshly cut trees and large logs, typically about four inches thick?
  • Number series assigned to standards on agricultural production machinery is:
  • The ground wheel of a planter is normally related to the operation of which component?
  • What is the warranty period for a hand tractor from the date of purchase?
  • The rate of performance obtained if a machine performs its function 100% of the time of a given operating speed using 100% of its theoretical width.
  • Agency of the government charged with the development of the Philippine National Standards (PNS):
  • The stoichiometric amount of air for gasification falls in which range?
  • In the equation for horsepower, Hp=QxH/3960xEff, H is total head in: ft., ft/min, meters, meters/min
  • In AMDP 1997, the level of mechanization for rice and corn (hp/ha)?
  • Which stroke of a four-stroke cycle engine occurs when the piston moves upward and both valves are closed?
  • Which component of a seeder is used to calibrate the seed metering device?
  • Which color smoke indicates a rich fuel mixture in engines?
  • Which device is designed to deposit seeds into furrows?
  • What is the term for the angle of the disk plows in reference to the vertical plane?
  • What term describes applying chemicals uniformly over the entire treated area?
  • A seed produced from breeder seeds and distributed to all members of the Seed Net and selected seed producers in every province for further multiplication is called:
  • What is the typical Carbon to Nitrogen ratio range in biogas production?
  • Which set of items best describes devices used to securely join parts of machinery?
  • What is the prevailing ad valorem tax rate in the Philippines?
  • Gasoline engine knocking is typically caused by what timing condition?
  • What is the term for the period between original acquisition and final disposal of an asset through successive owners?
  • What term describes the decline in the value of a tangible asset due to wear and aging?
  • Which seeder component is used specifically to calibrate seed metering rate?
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy