AREA 1 Flashcards by Rhealene Cahigas

An engine valve arrangement wherein the intake and exhaust valves are located on one side of the cylinder block.
A. I - head arrangement C. T – head arrangement
B. L- head arrangement D. F – head arrangement

B. L- head arrangement

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A 4stroke-cycle diesel engine, with three cylinder has 89mm cylinder bore and 130mm stroke. The compression
ratio is 16:1 and it is running at 2000 rpm speed.
4. What is the area of the piston?
A. 820.5 cc C. 815.3 cc
B. 818.7 cc D. 808.7 cc

D. 808.7 cc

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The gasoline engine is characterized as:
A. High first cost – low operating cost
C. High first cost – high operating cost
B. Low first cost – high operating cost
D. Low first cost – low operating cost

B. Low first cost – high operating cost

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The distance from the center of the crankshaft to the center of the crankpin.
A. Crank stroke C. Cam shaft
B. Crank rod D. Crank throw

D. Crank throw

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A 4stroke-cycle diesel engine, with three cylinder has 89mm cylinder bore and 130mm stroke. The compression ratio is 16:1 and it is running at 2000 rpm speed.

What is the total piston displacement?
A. 2555.5 cc C. 2345.4 cc
B. 2426.2 cc D. 2222.2 cc

B. 2426.2 cc

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A 4stroke-cycle diesel engine, with three cylinder has 89mm cylinder bore and 130mm stroke. The
compression ratio is 16:1 and it is running at 2000 rpm speed.

What is the total power stroke per minute of the piston?
A. 540 m per min C. 520 m per min
B. 530 m per min D. 510 m per min

C. 520 m per min

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When a diesel engine knocks, the trouble is:
A. The diesel fuel ignition timing is late
C. Incorrect type of spark plug
B. Incorrect engine lubrication and wrong grade oil
D. All of these

A. The diesel fuel ignition timing is late

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It is an indicator of the amount of fuel in a furnace that is converted into ash.
A. Heat utilization efficiency C. Burning efficiency
B. Thermal efficiency D. None of these

C. Burning efficiency

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. It is a measure of the tendency of gasoline to resist detonation during combustion in an engine.
A. Cetane number C. Fire point
B. Octane number D. Anti-knock

B. Octane number

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What is the brake thermal efficiency of a gasoline engine which uses 0.4 kg of fuel/kW-hr?
A. 19% C. 30%
B. 20% D. 35%

A. 19%

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What does API stand for?
A. American Petrol Institute
C. Automotive Petrol Institute
B. American Petroleum Institute
D. Automotive Petroleum Institute

B. American Petroleum Institute

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In order to increase the resistance of engine oil, the formation of certain acidic product that may cause corrosion
of certain type of bearing the recommended additive to use is:
A. Anticorrosive C. Dispersants
B. Antioxidants D. All of these

B. Antioxidants

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The utilization of hand tools, implements for draft animals, and mechanically-powered machines for agricultural
land development, production, harvesting and on-farm processing.
A. Agriculturaldevelopment
C. Agricultural mechanization
B. Agricultural machinery and equipment
D. All of these

C. Agricultural mechanization

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The equipment, which displaces and shatters soil, used to reduce soil strength and to bury or mix plant materials
and fertilizers in the tilled layer.
A. Primary tillage equipment
C. Seeding and planting equipment
B. Secondary tillage equipment
D. None of these

A. Primary tillage equipment

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A 4-hectare field was plowed using a three-bottom 12-inch tractor-mounted moldboard plow. It took 11 hrs.
to complete the operation at a tractor speed of 5 kph:
15. Find the actual field capacity.
A. 0.09 ha/hr C. 0.5 ha/hr
B. 0.36 ha/hr D. 1.5 ha/hr

B. 0.36 ha/hr

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A 4-hectare field was plowed using a three-bottom 12-inch tractor-mounted moldboard plow. It took 11 hrs.
to complete the operation at a tractor speed of 5 kph:

Find the theoretical field capacity.
A. 1.8 ha/hr C. 1.13 ha/hr
B. 1.45 ha/hr D. 0.46 ha/hr

D. 0.46 ha/hr

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A 4-hectare field was plowed using a three-bottom 12-inch tractor-mounted moldboard plow. It took 11 hrs.
to complete the operation at a tractor speed of 5 kph:

Find the field efficiency.
A. 75% C. 85%
B. 80% D. 90%

B. 80%

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. Determine the no. of days (8hrs/day) to plow a 10-ha field using a 3-bottom moldboard plow drawn by a 4-wheel
tractor at a speed of 5 kph and filed efficiency of 76%. Width of cut of one bottom is 33 cm.
A. 2.75 days C. 3.3 days
B. 3.0 days D. 3.6 days

C. 3.3 days

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. Determine the required number of tractors needed to plow 50 hectares of land that must be finished in 10 days
(8 hrs/day), with a speed of travel of 5 kph, effective width of 4 meters, and an efficiency of 80%.
A. 1 C. 2
B. 2 D. 3

D. 3

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How many rice combines are recommended for a 200-ha contiguous farm given a 3.0 m wide rice combine
harvester traveling at 5 kph with 90% material efficiency and operating at 6 net hours per day. The window of
operation is 14 days with only 80% possible operational days.
A. 6 C. 3
B. 4 D. 2

C. 3

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A field measuring 50 m x 100 m is to be prepared using a 1.3-m upland power tiller at a speed of 3 kph. Assume
a 12% overlap between passing and 15 seconds turn-around time at the end of each pass. Determine the field
efficiency when tilling is done along the shorter field direction.
A. 70% C. 80%
B. 75% D. 85%

A. 70%

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Determine the size of the diesel engine to be used for a 4 x 4 centrifugal pump. Pump discharge is 200gpm.
Total head is 24 ft. Pump efficiency is 55%. V-belt efficiency is 95%. And air-cooled diesel engine delivery rating
is 70%.
A. 4.7 hp C. 2.4 hp
B. 3.3 hp D. 1.6 hp

B. 3.3 hp

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A distinguishing symbol affixed to products by a manufacturer in order to identify them as his goods.
A. Trade name C. Brand name
B. Trade mark D. All of these

B. Trade mark

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A booklet provided by manufacturers that indicates the adjustment, care and maintenance procedure as well as
the safety of the machine.
A. Product catalog C. Technical manual
B. Operator’s manual D. None of these

B. Operator’s manual

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Based on the Philippine Agricultural Engineers Standard (PAES), warranty for parts and services of a heated-air mechanical grain dryer is within after the acceptance of the machine by the buyer. A. 12 months C. 24 months B. 18 months D. None of these

A. 12 months

The perpendicular distance between the wing and the point of the share determines the: A. Longitudinal dimension of plow C. Diagonal dimension of plow B. Traverse dimension of plow D. Maximum dimension of plow

A. Longitudinal dimension of plow

Primary tillage equipment that cuts the soil to a depth of 6 to 18 inches: A. Chisel Plow C. Subsoiler B. Spiral Plow D. Moldboard Plow

D. Moldboard Plow

This refers to the changes in the front and rear wheel reaction that occur when a tractor pulls a drawbar load. A. Traction C. Rolling moment B. Resistance D. Weight transfer

D. Weight transfer

While calibrating a machine, you encountered some problems that includes: * white exhaust gas * black exhaust gas * fast discharge of battery * overheating What causes white exhaust gas? A. Too much oil C. Alternator is not working B. Clogging oil filter D. Insufficient water in the radiator

A. Too much oil

While calibrating a machine, you encountered some problems that includes: * white exhaust gas * black exhaust gas * fast discharge of battery * overheating What causes black exhaust gas? A. Too much oil C. Alternator is not working B. Clogging oil filter D. Insufficient water in the radiator

B. Clogging oil filte

While calibrating a machine, you encountered some problems that includes: * white exhaust gas * black exhaust gas * fast discharge of battery * overheating What causes fast discharge of battery? A. Too much oil C. Alternator is not working B. Clogging oil filter D. Insufficient water in the radiator

C. Alternator is not working

The reason why gears are difficult to engage and disengage? A. Insufficient engine oil C. Gears slipping B. Worn out clutch disc D. Insufficient water in the radiator

B. Worn out clutch disc

In ASABE’s safety code for laboratory equipment and typical applications, the safety yellow color stands for: A. Danger stop C. Caution B. Warning D. None of these

C. Caution

A protective device which is usually made of rail, fence or frame to keep dangerous parts of a machine out of reach inadvertently. A. Shield C. Enclosure B. Casing D. None of these

C. Enclosure

A protective device designed and fitted to prevent dangerous parts of a machine from being reached from the side. A. Shield C. Enclosure B. Casing D. None of these

A. Shield

A widely used method of welding aluminum, copper, stainless steel, and other difficult-to-weld metals. A. Gas welding C. TIG welding B. MIG welding D. All of these

C. TIG welding

A classification of manufacturer that produces a machine beyond the number of pieces produced in the batch system and still produce the machine, even without direct order or purchase from the customer or dealer, for possible unseen market. A. By piece C. By mass production B. By batch D. None of these

A. By piece

Which of the following welding equipment uses carbon dioxide gas as cooling element? A. Arc welding machine C. TIG welding machine B. MIG welding machine D. All of these

B. MIG welding machine

. If a large factor of safety is used in the design, the product will become: A. Reliable C. Efficient B. Expensive D. All of these

B. Expensive

What year was the metric system first used in the Philippines? A. 1980 C. 1982 B. 1981 D. 1983

D. 1983

A technical drawing that defines fully and clearly the requirements for engineered items. A. Technical Specifications C. Published Specifications B. Detailed Specifications D. Engineering Drawing

D. Engineering Drawing

This type of transmission system is common to two-wheel tractors. A. Direct coupling C. Differential B. Chain and sprockets D. Gear system

B. Chain and sprockets

It is a special arrangement of gears so constructed and located in the transmission system of a 4-wheel tractor that permits one driving wheel to rotate slower or faster than the other and at the same time propel its share of the load. A. Gear box C. Differential B. Clutch D. Power take off

C. Differential

PAES 303:2000 provides the power rating of roller chain based on a service life of: A. 15000 C. 10000 B. 1000 D. 5000

A. 15000

Which of the following rating classifications of the engine power output that is based on the engine test? A. Standby/Intermittent Rating C. Continuous Rating B. Maximum Rating D. None of these

B. Maximum Rating

As an agricultural and biosystems engineer, while calibrating and testing a Lever-operated Knapsack Sprayer, which of the following should not be done? A. Measuring the effective working width C. Measuring the application rate B. Cleaning the nozzle D. Measuring the nozzle discharge

C. Measuring the application rate

The minimum operating time Testing Agricultural Machinery required for testing a power tiller without breakdown and malfunction. A. 1 hour C. 5 hours B. 3 hours D. 8 hours

C. 5 hours

What diode is needed as protection against lightning in solar installations? A. Blocking diode C. Shading diode B. Bypass diode D. Lightning diode

A. Blocking diode

A kind of IC included as an important part of electronic instruments for gathering speed, velocity and discharge real-time data. A. Voltage reducer C. Sensor B. Timer D. Variable resistor

B. Timer

A switch for automatic starting of pumps with sealed water tank in drip irrigation systems. A. Automatic transfer switch C. Power switch B. Pressure switch D. Time switch

B. Pressure switch

Which DC voltage is best for remote instrumentation? A. 5 Vdc C. 9 Vdc B. 7 Vdc D. All of these

D. All of these

To automate control of irrigation dam gates, what switch is useful in the instrumentation? A. Automatic transfer switch C. Power switch B. Pressure switch D. Time switch

A. Automatic transfer switch

What part of solar module should be included such that solar charging is continuous at slower rate even when partially shaded by trees? A. Blocking diode C. Shading diode B. Bypass diode D. Lightning diode

B. Bypass diode

A spring, hydraulic or strain-gauge operating device that measures the capacity required in pulling a machine: A. Load cell C. Dynamometer B. Spring scale D. None of these

C. Dynamometer

The sensing instrument made of two dissimilar wires used to measure the temperature of air in a dryer: A. Thermometer wire C. Thermocouple wire B. Thermo wire D. None of these

C. Thermocouple wire

When measurement needs to be done to gather sets of data in a defined period of time, what instrument would you recommend to be included in your instrumentation set-up as an Agricultural and Biosystems Engineer? A. Data encoder C. Data compiler B. Data logger D. None of these

B. Data logger

A customized device in which all the instruments are set to facilitate testing of a machine. A. Test instrument C. Test rig B. Test duct D. None of these

C. Test rig

An instrument that is equipped with strain gauge installed at the dynamometer shaft to determine the torque delivered by an engine. A. Amplifier C. Tachometer B. Transducer D. None of these

B. Transducer

Device used to increase the amount of signal (emf) delivered by an instrument sensor so that it can be read by a multimeter that gives the calibrated value such as temperature, torque, etc. A. Amplifier C. Tachometer B. Transducer D. None of these

A. Amplifier

Part that was a formally written declaration of the project and its idea and context to explain the goals and objectives to be reached. A. Project Design C. Project Specification B. Project Scope D. Project Description

D. Project Description

Part of Project Planning that involves determining and documenting a list of project goals, deliverables, tasks, costs, and deadlines. A. Financial analysis C. Project Specification B. Project Scope D. Project Description

B. Project Scope

What analysis is done to determine the degree of project feasibility at various scenarios? A. Project Design C. Economic analysis B. Sensitivity analysis D. Risk analysis

B. Sensitivity analysis

Lifting of all existing quantitative restrictions such as import quotas or prohibitions, imposed on agricultural products, and replacing these restrictions with tariffs. A. Trade Liberalization C. Tariff B. Tariffication D. Import Quota

B. Tariffication

The removal or reduction of restrictions or barriers on free exchange of goods between nations. A. Trade Liberalization C. Tariff B. Tariffication D. Import Quota

A. Trade Liberalization

Supposed that you will need Php 50,000 in a span 5 years, with an interest rate of 5% compounded quarterly. How much will be the initial investment? A. Php 35,000 C. Php 40,000 B. Php 39,000 D. Php 45,000

B. Php 39,000

. Form of business ownership where two or more people act as co-owners. A. Sole Proprietorship C. Corporation B. Partnership D. Incorporation

B. Partnership

Cost of shipment of products to deliver from one point to another. A. Cost in Freight C. Shipping Fee B. Freight on Board D. Delivery Cost

A. Cost in Freight

Implemented by FAO to impose regulations and standards that covers traded goods. A. Hazard Analysis and Critical Control Point (HACCP) C. Sanitary and Phytosanitary Measures (SPS) B. International Organization for Standardization (ISO) D. Technical Barriers to Trades (TBT)

D. Technical Barriers to Trades (TBT)

The amount or monetary value of good, service or resource before purchase. A. Cost C. Pre-paid expenses B. Price D. Capital

B. Price

Large number of independent seller independent from each other. A. Monopoly C. Monopsony B. Oligopoly D. Pure competition

D. Pure competition

The act of distributing resources into something to generate income or profits. A. Capital C. Profit B. Investment D. Cost

B. Investment

An agricultural machine is purchased for P100,000 and has a useful life of 12 years. At the end of 12 years, the salvage value is P13,000. By straight line depreciation, what is the accumulated depreciation at the end of 8 years? A. Php 36,000 C. Php 58,000 B. Php 42,000 D. Php 64,000

C. Php 58,000

These refers to the ongoing costs to operate a business excluding direct cost. A. Variable Cost C. Incremental Cost B. Fixed Cost D. Overhead Cost

D. Overhead Cost

In a cassava processing plant, costs of land, building and milling machines are examples of: A. Investment cost C. Overhead expenses B. Operation and maintenance costs D. Book costs

A. Investment cost

In deciding whether one should replace an old machine with a new one, the purchase cost of the old machine is treated as a/an: A. Book cost C. Opportunity cost B. Burden cost D. Sunk cost

D. Sunk cost

In a vegetable farm, cost of planting materials and fertilizers, and wages of farmers are examples of: A. Investment cost C. Overhead expenses B. Operation and maintenance costs D. Book costs

B. Operation and maintenance costs

Dr. Walter Valdez desires to make an investment in bonds, provided she can realize 10% annually on her investment. How much can he afford to pay for a Php 50,000 bond that pays 5% annual interest and will mature 10 years hence? A. Php 33,674.72 C. Php 55,000.00 B. Php 34,638.58 D. Php 69,304.34

B. Php 34,638.58

A machine which costs Php 562,500 when new, has a lifetime of 15 years and a salvage value equal to 20% of its original cost. If depreciated by the sum-of-the-years digits method, the depreciation charge during the 8th year of the machine is closest to: A. Php 37,500 C. Php 30,000 B. Php 33,750 D. Php 6,667

C. Php 30,000

Edgar borrowed Php 30,000 from a local commercial bank. The loan is charged with a 16% per year simple interest rate but the interest is to be deducted from the loan at the time the money is borrowed. At the end of one year, Edgar has to pay Php 30,000. What is the actual rate of interest? A. 16.10% C. 24.10% B. 19.05% D. 38.10%

B. 19.05%

A firm could breakeven if it operated at 30% of its capacity. Its annual fixed costs are Php 9,000,000 and the variable cost of its product is Php 100 per unit. The product is sold for Php 250 per unit. How much would be the firm’s profit if it operated at full capacity? A. Php 50,000,000 C. Php 21,000,000 B. Php 41,000,000 D. Php 9,000,000

C. Php 21,000,000

A small shop in Bataan fabricates portable rice threshers for rice producers in the locality and sells each unit at Php 50,000. Each unit is produced at a labor cost of Php 9,000, material cost of Php 12,500 and other variable costs of Php 3,500. Fixed charges incurred per annum amount to Php 1,200,000. The shop now plans to drop the price of the thresher by Php 5,000. What is the difference between the breakeven points based on the reduced price and on the original price? A. 20 units C. 12 units B. 16 units D. 8 units

C. 12 units

In what year was the Implementing Rules and Regulations (IRR) of the Philippine Agricultural and Biosystems Engineering Act of 2016 approved? A. 2022 C. 2018 B. 2020 D. 2016

A. 2022

An Agricultural and Biosystems Engineer can stamp his duly registered seal on the designs and plans of agricultural machines ______. A. After passing the board exam C. Even with expired license B. Only during the validity of his professional license D. None of these

B. Only during the validity of his professional license

The credential issued to applicants after passing the licensure examination upon payment of registration fees. A. Certificate of registration C. Seal B. Professional license D. All of these

A. Certificate of registration

The credential issued to the registrant indicating the registration number, date of issuance, and expiry date upon payment of professional fee. A. Certificate of registration C. Seal B. Professional license D. All of these

B. Professional license

An agricultural and Biosystems Engineer is required to indicate his/her ________ on the documents he signs in connection with the practice of his profession. A. Professional license number C. Professional tax receipt number B. Duration of validity of the license D. All of these

D. All of these

All drawings, specifications and other documents to be used for the design, construction, test, and evaluation related to agricultural and biosystems engineering ___. A. Will only require the signature of a licensed Agricultural and Biosystems Engineer B. Will only require the seal of a licensed Agricultural and Biosystems Engineer C. Will require the signature and seal of a licensed Agricultural and Biosystems Engineer D. All of these

C. Will require the signature and seal of a licensed Agricultural and Biosystems Engineer

In order to strengthen the farm and the fishery groups of DA, the ___ was created to prepare, evaluate and recommend engineering plans for farm and fisheries machinery. A. Agricultural Fisheries Mechanization Committee C. Bureau of Agricultural and Fisheries Engineering B. National Agro-fishery Mechanization Program D. None of these

C. Bureau of Agricultural and Fisheries Engineering

Once the drawing and specifications are duly signed and stamped by an Agricultural and Biosystems Engineer, A. The document becomes property of the client once paid B. The document becomes his property whether it is executed or not C. The document becomes a public domain for use by anybody D. None of these

B. The document becomes his property whether it is executed or not

This will be a business enterprise under the AFMech Law aimed to provide farmers after-sales service and warranty, provide custom farm mechanization services, and services on repair and troubleshooting, as well as training on maintenance and proper use of agricultural machinery and equipment. A. Agri-fisheries Machinery and Equipment Service Centers C. Farmer’s Machines Service Centers B. Farm Machines Service Center D. None of these

A. Agri-fisheries Machinery and Equipment Service Centers

Monitoring body for the service warranty provided by the assemblers, manufacturers, importers, suppliers, distributors, and dealers of agri-fisheries machines under AFMech Law. A. LGU and BAFE C. PSAE and AMTEC B. AMTEC and BAFE D. None of these

A. LGU and BAFE

The Bureau Director and Assistant Director of BAFE were appointed by the _______. A. President of the Philippines C. Board of Directors of BAFE B. DA Secretary D. None of these

A. President of the Philippines

As provided in Article VI Section 27 of AFMech Law, the ___________ is designated as the premier and reference testing center in the country for agricultural and fisheries machinery. A. BAFE C. IPO Philippines B. AMTEC D. BAFS

B. AMTEC

As provided in Article V Section 20 of AFMech Law, all agricultural and fisheries machinery manufacturers, fabricators, assemblers, and importers must register with the __________. A. BAFE C. DTI B. AMTEC D. LTO

A. BAFE

. The ____ earned by the professional shall be required in the renewal of professional license. A. Degree C. BSABE degree B. BSAE degree D. CPD credit units

D. CPD credit units

Any person who violates any of the provisions of RA 10915, upon conviction, shall be penalized by a fine of not less than P100,000 but not more than ___, or imprisonment of not less than 6 months but not more than 5 years, or both fine and imprisonment, at the court discretion. A. P200,000 C. P400,000 B. P300,000 D. P500,000

D. P500,000

In Section 36 or ABE law, the existing Philippine Agricultural Engineering Standards (PAES) shall be transformed into a Philippine Agricultural and Biosystems Engineering Standards and shall serve as Code of ______ Standards. A. AE C. Technical B. ABE D. Engineering

C. Technical

n RA 10915, agricultural and _________ refers to local activity or series of activities to maintain or raise the quality or change the form or characteristics of agricultural, fishery, forestry and biological products/materials. A. Quality control C. Bio-processing B. Forestry D. Fishery

C. Bio-processing

Agricultural and Biosystems Engineering refers to the application of ________ and designs to the processes and systems involved in the sustainable production, post production and processing of safe food, feed, fiber, timber and other agricultural and biological materials and the efficient utilization, conservation, and management of natural and renewable resources in order to enhance human health in harmony with the environment. A. Agriculture C. Science B. Engineering D. Engineering science

D. Engineering science

Agricultural and Biosystems Engineer refers to a person who is registered and licensed to practice agricultural and biosystems engineering in the country and who holds a ________ and professional identification card from the Board of Agricultural and Biosystems Engineering and the PRC. A. Degree C. Experience B. BSABE degree D. Valid certificate of registration

D. Valid certificate of registration