A1-W1 Flashcards
A device that meters the fuel air and mixes them into harmonious mixture before the mixture enters the combustion
chamber of an engine?
A. Governor C. Carburetor
B. Air injector D. None of these
C. Carburetor
A lever that can be adjusted to admit more or less fuel mixture which could control the speed of the engine.
A. Choke Lever C. Fuel Cock Lever
B. Decompression Lever D. Throttle lever
D. Throttle lever
Part of an engine that converts reciprocating motion into rotary motion.
A. Crankshaft C. Camshaft
B. Piston D. None of these
A. Crankshaft
The burning of portion of fuel in the combustion chamber of an engine at a rate faster than the desired.
A. Knocking C. Misfiring
B. Detonation D. All of these
B. Detonation
It is the act of checking, testing, measuring, repairing and adjusting the engine in order to bring it to the peak
efficiency.
A. Trouble shooting C. Timing adjustment
B. Tune-up D. All of these
B. Tune-up
Determine the brake thermal efficiency of a 5-hp gasoline engine consuming 2 liters of fuel in an hour?
A. 19% C. 30%
B. 20% D. 35%
A. 19%
When a diesel engine knocks, the trouble is?
A. Incorrect engine lubrication and wrong grade oil C. Incorrect type of spark plug
B. The diesel fuel ignition timing is late D. All of thes
B. The diesel fuel ignition timing is late
What is the engine displacement for a 10 cm by 15 cm engine with 4 cylinders?
A. 5 L C. 2.5L
B. 4.7L D. 1.3 L
B. 4.7L
A 5-liter engine consumes 11.5 liters of diesel fuel in 30 minutes. The engine is operating with a thermal efficiency
of 18% and is running at 2400 rpm. Calculate the brake torque?
A. 447N-m C. 173.8N-m
B. 86.9N-m D. 89.4N-m
C. 173.8N-m
Among the fuels that belong to the paraffin group, this has three carbon atoms in its molecular structure. It is the
main component of LPG:
A. Pentane C. Butane
B. Ethane D. Propane
D. Propane
Engine oil having high flash and fire point indicates:
A. High boiling point C. High heating value
B. High evaporation rate D. All of these
A. High boiling point
How much oxygen does air have?
A. 23.2% by volume C. 15.3% by weight
B. 23.2% by weight D. 15.3% by volume
B. 23.2% by weight
Select two consecutive farm operations which when done mechanically can increase cropping intensity.
A. Planting – spraying C. Harvesting – plowing
B. Irrigation – weeding D. Harvesting – threshing
A. Planting – spraying
Tractor size is determined by:
A. Weight, horsepower, and size and number of wheels
B. Implement capacity, weight, and size and number of wheels
C. Weight, horsepower, and implement capacity
D. Weight, horsepower, and size ONLY
C. Weight, horsepower, and implement capacity
In paddy field plowing operation using a four-wheel tractor, which of the following is true?
A. Smaller plots are much efficient to plow than larger plots
B. Larger plots are much efficient to plow than smaller plots
C. Smaller or larger plots have the same plowing efficiency
D. None of these
B. Larger plots are much efficient to plow than smaller plots
Currently, this is considered as highly mechanized sector in the Philippines.
A. Rice C. Corn
B. Sugar D. Coconut
A. Rice
The conventional system of harvesting and threshing of rice in the Philippines is:
A. Manual harvesting and mechanical threshing
C. Manual harvesting and threshing
B. Mechanical harvesting and threshing
D. Combining
A. Manual harvesting and mechanical threshing
A special type of DC motor that can move in angular increments in response to digital pulses:
A. Servo motor C. Stepper motor
B. Brushless motor D. Shunt motor
C. Stepper motor
It senses the physical changes occur in the surrounding and converting it into a readable quantity.
A. Transducer C. Actuator
B. Sensor D. None of these
B. Sensor
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
In a load cell, the strain gauge is connected to form a ________ to yield a voltage proportional to the load.
A. Parallel circuit C. Series circuit
B. Bridge circuit D. Voltage divide
B. Bridge circuit
Proximity sensor is used for.
A. Sensing humidity
C. Sensing heat
B. Sensing the presence of nearby objects
D. Measuring distance
B. Sensing the presence of nearby objects
Transmission of data to a remote line-of-sight point is best done using.
A. Fiber optics C. E-mail
B. Fax D. Radio frequency
D. Radio frequency
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 logger
B. Data compiler D. None of these
C. Data logger
During testing of agricultural machines, thermometer sensors should be partially shielded to minimize?
A. Mechanical damage on thermometer sensor
C. Error on the effect of heat of radiation
B. Error from heat of conduction from wall of the machine D. None of these
C. Error on the effect of heat of radiation
. The rate of flow of hot gas is to be measured in a duct. As an Agricultural and Biosystems Engineer, what
instrument would you recommend to determine the velocity of the gas?
A. Pitot-tube and manometer C. Current meter
B. Thermoanemometer D. None of these
A. Pitot-tube and manometer
An instrument used to measure the amount of water present in a sample.
A. Hygrometer C. Moisture meter
B. Hydrometer D. All of these
C. Moisture meter
The following are the qualifications to become a member of the Board of ABE except:
A. Natural-born citizen
C. Active practitioner for not less than 7 years
B. Registered PABE
D. At least 35 years old
C. Active practitioner for not less than 7 years
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
The following acts are grounds for the revocation of professional license except for:
A. Moral turpitude C. Negligence
B. Dishonesty D. Fairness
D. Fairness
The sensing instrument made of two dissimilar wires used to measure the temperature of air in a dryer.
A. Thermometer wire C. Thermo wire
B. Thermocouple wire D. All of these
B. Thermocouple wire
Items indicated in the documents signed, used or issued by PABE in connection with the practice of profession
except:
A. Professional license number
C. Duration of validity
B. Professional tax receipt
D. Registration date of license
D. Registration date of license
Under RA 10601, this shall be carried out in order to effect suitable field shapes and sizes conducive to efficient
operation of agricultural machinery and equipment and likewise to ensure economies of scale:
A. Contiguous farming
C. Precision agriculture
B. Corporate farming
D. Modern farming
A. Contiguous farming
The credit units required for PABEs under the IRR of Continuing Professional Development Act of 2016:
A. 45 C. 50
B. 55 D. 60
A. 45
The code that deals with minimum standards and requirements for all buildings and structures:
A. RA 6541 C. RA 6657
B. RA 9003 D. RA 9367
A. RA 6541
RepublicActNo.9367i s also known as:
A. CARPER C. Renewable Energy Act
B. CARP Law D. Biofuels Act
D. Biofuels Act
The Local Government Code of 1991:
A. RA 7160 C. RA 10372
B. RA 8435 D. RA 8981
A. RA 7160
The specific principles for Professional Conduct include the following except for:
A. Posterity C. Integrity
B. Solidarity D. Equality
A. Posterity
A certificate issued by the Bureau of Agricultural and Fishery Engineering (BAFE) to all agricultural and fishery
machinery with PNS/PAES. It guarantees that all agricultural and fishery machinery conforms to PNS/PAES or
other relevant standards identified only by BAFE:
A. Certificate of Compliance
C. Certificate of Conformity
B. Certificate of Agreement
D. Certificate of Arrangement
C. Certificate of Conformity
Part of the BAC that purpose is to enhance transparency of the government procurement process:
A. TWG C. BAC Secretariat
B. End user D. Observers
D. Observers
. The seal of an Agricultural and Biosystems Engineer shall be circular in shape with _______ diameter?
A. 40 mm C. 44 mm
B. 42 mm D. 45 mm
B. 42 mm
. In what year was the Implementing Rules and Regulations (IRR) of the Philippine Agricultural and Biosystems
Engineering Act of 2016 approved?
A. 2016 C. 2020
B. 2018 D. 2022
D. 2022
Lot rental is an example of __________.
A. Fixed Cost
B. Variable Cost
C. Incremental Cost
D. Overhead Cost
A. Fixed Cost
The Renewable Energy Law promotes the development and utilization of renewable energy sources to:
A. Reduce greenhouse gas emissions
C. Improve water resource management
B. Increase agricultural productivity
D. Enhance rural infrastructure
A. Reduce greenhouse gas emissions
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. P 58,000
B. P 42,000
C. P 53,000
D. P 68,000
A. P 58,000
Remains constant whatever the quantity of goods and services produced.
A. Fixed Cost
B. Variable Cost
C. Incremental Cost
D. Overhead Cos
A. Fixed Cost
Miguel is a young entrepreneur. He has determined that his firm could break even if it operated at 25% of its capacity. Its annual fixed costs are P1.5 M and the variable cost of making a unit of product is P30. The product could be sold for P150 per unit. How many units of product does Miguel’s company sell when it is neither losing nor earning a profit?
A. 10,000
B. 12,500
C. 25,000
D. 50,000
B. 12,500
This refers to the minimum value of input required to cause a detectable change from zero output in an
instrument.
A. Criterion
B. Sensitivity
C. Matrix
D. Threshold
D. Threshold
An analysis that takes all of a project’s relevant factors into account including economic technical, legal, and
scheduling considerations to ascertain the likelihood of completing the project successfully.
A. Project Proposal
B. Technical Analysis
C. Feasibility Study
D. Market Study
C. Feasibility Study
Devices used to measure the position or movement of an object relative to a reference point, often translating
physical displacement into an electrical signal.
A. Capacitive Proximity Sensor
B. Displacement Sensor
C. Inductive Proximity Sensor
D. Displacer Gaug
B. Displacement Sensor
Simple devices that detect displacement by opening or closing an electrical circuit in response to physical
movement or contact.
A. Latches
B. Reed Switch
C. Switches
D. Potentiometer
C. Switches
A non-contact sensor that detects metallic objects by using electromagnetic induction, producing an output
signal when a metal object enters its sensing range.
A. Capacitive Proximity Sensor
B. Strain-Gauged Sensor
C. Piezoelectric Sensor
D. Inductive Proximity Sensor
D. Inductive Proximity Sensor
A 4-ha 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 70 kph. Find the theoretical field capacity:
A. 0.46 ha/hr
B. 0.64 ha/hr
C. 0.56 ha/hr
D. 0.65 ha/h
B. 0.64 ha/hr
. What is the actual horsepower of a tractor which can do 149.2 kw-hrs of work in 2 hours?
A. 74.6 hp
B. 57.5 hp
C. 100 hp
D. 105 hp
C. 100 hp
On the above question, what is the field efficiency?
A. 79%
B. 57%
C. 65%
D. None of the above
B. 57%
A field measuring 45 x 90 meter is to be prepared using a 1.2 meter upland power tiller at a speed of 3kph.
Assume a `0% 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. 76%
B. 78%
C. 80%
D. 84%
A. 76%
A 5-liter engine consumes 11.5 liters of diesel fuel in 30 minutes. The engine is operating with a thermal
efficiency of 18% and is running at 2400 rpm. Calculate the brake torque.
A. 447 N-m
B. 86.9 N-m
C. 173.8 N-m
D. 89.4 N-m
C. 173.8 N-m
Gasoline is burned with 25% excess air during a combustion process. Assuming a complete combustion,
determine the air to-fuel ratio.
A. 7.25:1
B. 15:1
C. 15.25:1
D. 19:1
D. 19:1
The type of steel used in the manufacture of disc plows and disc blades.
A. AISI 1021
B. AISI 1045
C. AISI 1080
D. None of the above
C. AISI 1080
. Which one is an integrated circuit (IC) used in instrumentation and control?
A. TD 8062
B. ES 8813
C. CQ 556
D. LM 333
D. LM 333
A BOABE member should be a good-standing member of the AIPO for at least _____ years.
A. 1
B. 3
C. 5
D. 7
C. 5
. The validity of the professional license of a registered ABE is _____ years.
A. 1
B. 3
C. 4
D. 5
B. 3
It refers to the degree of closeness among output readings when the same input is applied multiple times under
identical conditions. Consistency of measurements under the same conditions.
A. Accuracy
B. Repeatability
C. Precision
D. Reproducibility
B. Repeatability
pk is Dutch acronym for:
A. Paardekracht
B. Pardkract
C. Padkracht
D. None of these
A. Paardekracht
The speed of the engine is automatically regulated by:
A. Regulator
B. Hand Lever
C. Throttle
D. Governor
D. Governor
A safety gray color at the ASAE safety code is code for:
A. Floor or work area around machines and
Equipment
B. Traffic and housekeeping areas
C. Areas with radiation hazard
D. All of these
A. Floor or work area around machines and
Equipment
A farm estimates that it will have to replace a piece of equipment at a cost of $800,000 in 5 years. To do this a
sinking fund is established by making equal monthly payments into an account paying 6.6% compounded
monthly. How much should each payment be?
A. $10,290.42
B. $11,290.42
C. $22,134.54
D. $23,134.54
B. $11,290.42
The gearbox placed on first gear will develop:
A. High torque - high speed
B. Low torque – low speed
C. Low torque – high speed
D. High torque – low speed
D. High torque – low speed
The true value of interest rate computed by equations for compound interest for a 1-year period is:
A. Expected Return
B. Nominal Interest
C. Effective Interest
D. Economic Return
C. Effective Interest
You make monthly deposits of $100 into an annuity and after 30 years wish to accumulate $160,000. What annual
rate compounded monthly will be required to do this?
A. 0.083
B. 0.038
C. 0.073
D. 0.037
A. 0.083
A method of computing depreciation where it assumes that a sinking fund is established in which funds will
accumulate for replacement purposes.
A. Straight-Line Method
B. Sinking Fund Method
C. Sum-of-Year Digit Method
D. Declining Balance Method
B. Sinking Fund Method
Based on the act pertaining to number 2, on Article III, Section 19 – Report of Ratings: The Board shall submit
to the Commission the report of ratings obtained by each candidate within ten (10) days after the examination unless extended for just cause.
A. True
B. False, it is within 5 days
C. False, it is within 15 days
D. Fals, it is within 3 days
A. True
You desire to save $200,000 for retirement. You can afford to save $125 a month into a mutual fund that
averages7.75% compounded monthly. How many years will be needed to do this?
A. 15 years
B. 17 years
C. 30 years
D. 32 years
D. 32 years
. CPD means __________
A. Continuous Professional Development
B. Continuing Professional Development
C. Commission on Professional Development
D. None of these
B. Continuing Professional Development
An act providing for the modernization, standardization and regulation of the procurement activities of the
government and for other purposes, also known as “Government Procurement Reform Act”
A. RA 9003
B. RA 9275
C. RA 9184
D. RA 7160
C. RA 9184
Who founded PSAE?
A. Engr. Jomar Manalo
B. Engr. Alexis Belonio
C. Engr. Felix Maramba Sr.
D. Engr. Joaquin Juliano III
C. Engr. Felix Maramba Sr.
What is the force required to pull a single-moldboard plow on a clay-loam soil having a width and depth of cut
of 30 cm and 15 cm, respectively. Soil draft is 8 psi.
A. 157 kg
B. 253 kg
C. 314 kg
D. None of thesee
B. 253 kg
. Determine the brake thermal efficiency of a 5-hp gasoline engine consuming 2 liters of fuel in an hour?
A. 19%
B. 20%
C. 29%
D. 30%
A. 19%
. What is the speed ratio of the transmission unit to give the tractor a travel speed of 3.5 kph. The engine speed is
2200 rpm and a rear wheel diameter of 55 centimeters.
A. 65.2:1
B. 33.72:1
C. 11.43:1
D. 2.74:1
A. 65.2:1
What type of sensor is DHT11?
A. Temperature Sensor
B. Pressure Sensor
C. Humidity Sensor
D. Light Sensor
A. Temperature Sensor
It is the specific quantity or property that is being measured in a measurement process. is termed as:
A. Attribute
B. Value
C. Measurand
D. Parameter
C. Measurand
If the plate used in agricultural machine is designated as AISI 1040, the carbon content is ______%
A. 10%
B. 0.1%
C. 40%
D. 0.4%
D. 0.4%
The full pressure of the oxygen cylinder in oxyacetylene welding is _________.
A. 1100 psi
B. 2200 psi
C. 3300 psi
D. None of the above
B. 2200 psi
. The recommended reel speed of a rice combine should be __________faster than the ground speed.
A. 5% to 10%
B. 10% to 25%
C. 25% to 50%
D. 50% to 95%
C. 25% to 50%
The recommended peripheral speed of threshing drum of a rice combine.
A. 5 to 10 m/s
B. 10 to 20 m/s
C. 20 to 30 m/s
D. 30 to 50 m/s
C. 20 to 30 m/s
The maximum allowable header loss for rice combine.
A. 0.2%
B. 0.5%
C. 1.2%
D. 1.3%
B. 0.5%
How many degrees of crankshaft rotation are represented by each inch on the face of a flywheel 1-foot in diameter?
A. 1°
B. 9.5°
C. 15°
D. 19.1°
B. 9.5°
The grain-straw ratio for samples to be used for testing a mechanical rice thresher should be at ______ range
A. 0.35 to 0.50
B. 0.50 to 0.65
C. 0.65 to 0.80
D. 0.55 to 0.70
B. 0.50 to 0.65
The direct coupling type of power transmission system has _____ efficiency.
A. 90%
B. 95%
C. 98%
D. 100%
D. 100%
The direct coupling type of power transmission system has _____ efficiency.
A. 3.8 ha/hr
B. 2.08 ha/hr
C. 0.18 ha/hr
D. None of the above
B. 2.08 ha/hr
The application rate of a certain chemical is recommended at 4 kg/ha. The calibration test of a 16-liter knapsack
sprayer is as follows: Nozzle discharge = 1.5 liters/min, swath = 1.5 m and walking speed = 20 m/min. Determine
the total volume of water applied per hectare:
A. 200 L/ha
B. 300 L/ha
C. 400 L/ha
D. 500 L/ha
D. 500 L/ha
Upon regularly checking the engine, some problems were observed such as black exhaust gas, overheating, white
exhaust gas and discharging of the battery. What can be the cause of discharging battery
A. Excessive engine oil
B. Insufficient water in radiator
C. Clogged filter
D. Faulty alternator
D. Faulty alternator
How many scopes of practice of ABE are specified per RA 10915
A. 3
B. 4
C. 8
D. 12
D. 12
A pump is drawing water from a river 10 m below, discharging 5 lps to a rice field 5 m below the elevation of
the pump. Shaft has a torque of 0.5 kg.m and has a speed of 1500 rpm. Compute for the pump efficiency.
A. 92.35%
B. 89.30%
C. 95.45%
D. 85.62%
C. 95.45%
A savings loan offers a 5.25% rate per annum compounded daily. What is the effective annual rate?
A. 5.31%
B. 5.39%
C. 5.54%
D. 5.65%
B. 5.39%
What is the volume in the cylinder if the piston is at the top dead center?
A. Bore
B. Stroke
C. Cylinder Volume
D. Clearance Volume
D. Clearance Volume
