PRE-BOARD Flashcards
Which of the following methods is not applicable to increase the total solids content of liquid manure?
a) Drying
b) Solid-liquid separation
c) Dilution
d) Add bedding
c) Dilution
When planning the layout buildings in a farm, which zone should implement shed and other storage structures with dry and quiet activities be placed?
a) Zone 1
b) Zone 2
c) Zone 3
d) Zone 4
b) Zone 2
What solids fraction is determined if an oven dried sample is placed in a furnace for 1 hour at 550°C?
a) Suspended solids
b) Total solids
c) Dry matter
d) volatile solids
d) volatile solids
According to PAES 419:2000, this is the optimum stack height in layers when storing sacks of maize.
a) 15
b) 16
c) 17
d) 18
d) 18
A natural or artificial process of nutrient enrichment whereby a water body becomes abundant in plant nutrients and low in oxygen content.
a) erosion
b) nitrifcation
c) Acidification
d) eutrophication
d) eutrophication
Based on PAES 401:2001, what is the minimum ventilation rate for a farrowing unit under normal conditions?
a) 0.08 m3/min
b) 0.12 m3/min
c) 0.24 m3/min
d) 0.28 m3/min
d) 0.28 m3/min
Based on PAES 402:2001, determine the floor space requirement for a 10,000-head broiler house from 0 to 4 weeks old.
a) 625 m2
b) 1250 m2
c) 1600 m2
d) 10000 m2
a) 625 m2
It refers to the stress in a material tending to cause deformation by slippage along a plane or planes parallel to the imposed force.
a) Normal Stress
b) Shear Stress
c) Bearing Stress
d) Strain
b) Shear Stress
It refers to the stress in a material tending to cause deformation along a plane or planes perpendicular to the imposed force.
a) Normal Stress
b) Shear Stress
c) Bearing Stress
d) Strain
a) Normal Stress
It is a rigid structure that consists of a collection of two-force structural elements connected at pin joints or nodes.
a) Shell
b) Frame
c) Bearing Stress
d) Truss
e) Machine
d) Truss
This refers to a mixture of cement, water and sand that is used to fill spaced between tiles.
a) Concrete
b) Paste
c) Mortar
d) Grout
d) Grout
Concrete is a rigid aggregate of materials consisting of the following:
a) Hollow blocks, cement, sand, water
b) Gravel, cement, sand
c) Hollow blocks, gravel, sand, water
d) Gravel, cement, sand, water
d) Gravel, cement, sand, water
This refers to a swine ranging from 40 to 65 kg in terms of weight.
a) Weanling
b) Fattener
c) Grower
d) Finisher
c) Grower
It is a female swine that has not farrowed.
a) Gilt
b) Sow
c) Dry sow
d) Boar
a) Gilt
It is a type of poultry raised primarily for meat production.
a) Layer
b) Broiler
c) Game fowl
d) Breeder
b) Broiler
It is the process of providing supplemental heat to broiler chicks from hatching up to the time they have grown sufficient feathers to control their own body temperature.
a) Hatching
b) Brooding
c) Candling
d) Weanling
b) Brooding
It refers to female cattle between two to three years of age which has not given birth.
a) Calf
b) Yearling
c) cow
d) Heifer
d) Heifer
The total energy does not include:
a) chemical energy
b) conductive energy
c) electro-magnetic energy
d) nuclear energy
b) conductive energy
Given the thermodynamic identity dU = TdS - PdV, an adiabatic process assumes a constant.
a) S
b) T
c) U
d) V
a) S - Enthalphy
Which of the following materials has the highest absorptivity at room temperature?
a) Aluminum
b) Asbestos
c) Concrete
d) Wood
c) Concrete
For an isotropic medium, the Fourier’s law is
a) q = -k dT/dx
b) q = k ∇T
c) q= -k ∇T
d) q = ∇(kT)
c) q= -k ∇T
The Moody chart for pipe shows the friction factor as a function of the Reynolds number at various roughness. Which of the commercial ducts has the highest roughness values?
a) Concrete
b) Rubber
c) Steel
d) Wood
a) Concrete
The boundary layer theory is applicable to systems with
a) very large Nusselt number
b) very large Reynolds number
c) very small Nusselt number
d) very small Reynolds number
b) very large Reynolds number
Light is simply the visible portion of the electromagnetic spectrum that lies
a) between 0.01 and 0.4 μm
b) between 0.76 and 100 μm
c) between 0.3 and 3.0 μm
d) between 0.4 and 0.76 μ
d) between 0.4 and 0.76 μ
In a geometry that consists of two concentric spheres, the view factor Fsub(1-2) = 1 since the entire radiation leaving the surface of the smaller sphere (R1) is intercepted by the larger sphere (R2). What is the value of Fsub(2-1)?
a) 1
b) Less than 1
c) More than 1
d) Cannot be determined
b) Less than 1
The highest pressure drop in the refrigeration cycle occurs at the
a) compressor
b) condenser
c) expansion device
d) evaporator
c) expansion device
In a throttling device, the enthalpy in the direction of flow
a) can either increase or decrease
b) decreases
c) remains constant
d) increases
c) remains constant
Infiltration most commonly occurs because of air density differences between rooms. Heat gain through doorways from air exchange is influenced by the following factors:
a) doorway area, enthalpy of refrigerated air, density factor
b) doorway height, doorway width, sensible heat ratio of infiltration air
c) open-time factor, flow factor, effectiveness of doorway protective device
d) sensible and latent refrigeration load
c) open-time factor, flow factor, effectiveness of doorway protective device
An air stream at a specified temperature and relative humidity undergoes evaporative cooling by spraying water into it at about the same temperature. The lowest temperature the air stream can be cooled to is
a) the dew point temperature at the given state
b) the dry bulb temperature at the given state
c) the saturation temperature corresponding to the humidity ratio at the given state
d) the wet bulb temperature at the given state
d) the wet bulb temperature at the given state
Psychrometry is the study of moist air and its properties. For drying, which processes occur?
a) Dehumidification and cooling
b) Dehumidification and heating
c) Humidification and cooling
d) Humidification and heating
c) Humidification and cooling
Microorganisms are capable of growth over a wide range of temperatures. Temperature is used to categorized microorganisms. Those capable of growth at 5°C, some are able to grow at temperature as slow as -5°C and are the primary cause of spoilage of perishable foods are called
a) mesophiles
b) psychrotrophs
c) thermopiles
d) xerotrophs
b) psychrotrophs
Fresh fruits and vegetables respire and release heat during storage. This heat produced by respiration varies with the product and its temperature. As the product temperature decreases,
a) heat of respiration increases exponentially
b) heat of respiration increases linearly
c) heat of respiration decreases exponentially
d) heat of respiration decreases linearly
c) heat of respiration decreases exponentially
All life-forms require water for growth. Water activity refers to the availability of water within a food system and is defined at a given temperature as
a) vapor pressure of air over the vapor pressure of solute
b) vapor pressure of air over the vapor pressure of solution
c) vapor pressure of solution over vapor pressure of solute
d) vapor pressure of solute over the vapor pressure of solution
d) vapor pressure of solute over the vapor pressure of solution
According to PAES 201: 2000: Agricultural Machinery-heated air mechanical grain dryer, an indirect-fired dryer is in which the products of combustion do not come in contact with the products being dried. What is the minimum required heating system efficiency for furnace with biomass fuel?
a) 50%
b) 65%
c) 75%
d) 90%
a) 50%
Adiabatic drying assumes constant
a) Enthalpy
b) Humidity ratio
c) Relative humidity
d) Wet bulb temperature
a) Enthalpy
The equilibrium moisture content at zero relative humidity is
a) 0
b) 14
c) 100
d) 18
a) 0
In a flatbed dryer, as the airflow rate (m3/s.m2) is increased exponentially, the pressure drop per meter depth
a) can either increase or decrease
b) decreases
c) increases
d) remains constant
c) increases
The minimum set of requirements for producing safe and wholesome food, which is an important part of regulatory control over the safety of the country’s food supply is called
a) effective management practices
b) good manufacturing practices
c) standard operating procedure
d) total quality management procedures
b) good manufacturing practices
HACCP stands for
a) Hazard Analysis and Chemical Corrective Point
b) Hazard Analysis and Critical Control Point
c) Health Analysis for Critical Corrective Program
d) Health Awareness and Critical Criteria Program
b) Hazard Analysis and Critical Control Point
Refers to the application of engineering science 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
b) Agricultural and Biosystems Engineering
c) Civil Engineering
d) Agricultural Chemistry
b) Agricultural and Biosystems Engineering
The protection of inventions by RPABE registered as patents and utility models.
a) Intellectual Property
b) Copyright
c) Trademarks
d) Industrial Property
a) Intellectual Property
Chair of the current Board of Agricultural and Biosystems Engineering:
a) Engr. Ariodear Rico
b) Engr. Juana Tapel
c) Engr. Sherwin Valdez
d) None of the above
a) Engr. Ariodear Rico
The agency mandated to develop standards for agriculture and fishery machinery, tools and equipment.
a) AMTEC
b) BAFS
c) PhilMech
d) BAFE
b) BAFS
Items indicated in the documents signed, used or issued by PABE in connection with the practice of profession except:
a) professional license number
b) professional tax receipt
c) duration of validity
d) registration date of license
d) registration date of license
Part of the BAC that purpose is to enhance transparency of the government procurement process.
a) TWG
b) BAC Secretariat
c) End user
d) observers
d) observers
Republic Act No. 9367 is also known as:
a) CARP Law
b) Renewable Energy Act
c) CARPER
d) Biofuels Act
d) Biofuels Act
The code that deals with minimum standards and requirements for all buildings and structures:
a) RA 6541
b) RA 6657
c) RA 9003
d) RA 9367
a) RA 6541
The agency mandated in the testing and evaluation of agricultural and fisheries machinery and equipment to be sold in the market.
a) AMTEC
b) BAFS
c) PhilMech
d) BAFE
a) AMTEC
The following are the qualifications to become a member of the Board of ABE except:
a) natural-born citizen
b) registered PABE
c) active practitioner for not less than 7 years
d) at least 35 years old
c) active practitioner for not less than 7 years
What should be the color of the neutral wire in a building electrical system?
a) Green
b) Red
c) white
d) black
c) white
A type of fault that occurs when there is an erratic flow of current in the conductors.
a) Sinusoidal fault
b) Earth fault
c) Ground fault
d) Arc fault
d) Arc fault
It is a device that opens a circuit whenever it detects a ground fault.
a) AFCI
b) circuit breaker
c) GFCI
d) Fuse
c) GFCI (Ground Fault Circuit Interrupter)
How much is the maximum allowable resistance of a grounding electrode?
a) 24 ohms
b) 30 ohms
c) 25 ohms
d) 34 ohms
c) 25 ohms
Electric motors can _____ the power factor in a system.
a) Maintain
b) increase
c) Improve
d) decrease
b) increase
When does the power factor become greater than 1?
a) When the apparent power is greater than the reactive power
b) When the apparent power is greater than the true power
c) When the apparent power is equal to the true power
d) It will never happen
d) It will never happen
The majority of electric power in the Philippines is produced using this.
a) Magnetism
b) Friction
c) Apparent Power
d) Heat
a) Magnetism
Majority of the energy consumed by incandescent light bulbs is converted into
a) heat and infrared radiation
b) cosmic rays
c) x-rays
d) Light
a) heat and infrared radiation
Which room is required to have a GFCI outlet?
a) Living room
b) bedroom
c) Bathroom
d) Dining room
c) Bathroom
Which is an assumption that should be considered when solving problems using the OHM’s LAW?
a) Conductors have infinite length
b) Conductors have finite length
c) Conductors have negligible resistances
d) Conductors have considerable resistances
c) Conductors have negligible resistances
Which is an assumption that should be considered when solving problems using the OHM’s LAW?
a) Resistors have constant resistance
b) Resistors have infinite resistance
c) Resistors have variable resistance
d) Resistors can affect the circuit
a) Resistors have constant resistance
Which statement is true when given with two conductors of the same type of conductive material with the same length?
a) The conductor with larger resistivity will have a larger resistance
b) The conductor with larger resistivity will have less resistance
c) The conductor with larger cross-sectional area will have a larger resistance
d) The conductor with larger cross-sectional area will have less resistance
d) The conductor with larger cross-sectional area will have less resistance
Which statement is true when given with two conductors of the same type of conductive material with the same cross-sectional area?
a) The conductor with less resistivity will have a larger resistance
b) The conductor with less resistivity will have less resistance
c) The conductor with less length will have a larger resistance
d) The conductor with less length will have less resistance
d) The conductor with less length will have less resistance
Which statement is most likely true?
a) An electric motor with load will draw more current compared to when no load is applied to its shaft.
b) An electric motor with no load will draw more current compared to when a load is applied to its shaft.
c) An electric motor with no load will need more voltage compared to when no load is applied to its shaft.
d) An electric motor with load will need more voltage compared to when no load is applied to its shaft.
a) An electric motor with load will draw more current compared to when no load is applied to its shaft.
Which statement is most likely true?
a) The reactive power will always be smaller than the true power
b) The true power will always be smaller than the reactive power
c) The apparent power will always be equal to or greater than the true power
d) The apparent power will always be smaller than the reactive power
c) The apparent power will always be equal to or greater than the true power
Which statement is most likely true?
a) The reactive power will always be greater than the true power
b) The true power will always be greater than the reactive power
c) The apparent power will always be equal to or greater than the reactive power
d) The apparent power will always be smaller than the reactive power
c) The apparent power will always be equal to or greater than the reactive power
Which statement is most likely true?
a) Joule heating will occur when there is no current in a circuit
b) Joule heating will occur in systems with high voltages
c) Joule heating will occur in circuits with resistors
d) Joule heating will occur in circuits with no resistance
c) Joule heating will occur in circuits with resistors
What will happen to a wire conductor when a current greater than the ampacity passes through it.
a) It will stop conducting current
b) Voltage will increase across the conductor
c) It will overheat
d) Nothing will happen
c) It will overheat
What will happen to a wire conductor when a current less than the ampacity passes through it.
a) It will stop conducting current
b) Voltage will increase across the conductor
c) It will overheat
d) Nothing will happen
d) Nothing will happen
- What should be the color of the grounding wire in a building electrical system?
a) green
b) red
c) white
d) black
a) green
