Random Flashcards
Formula of Solving the number of cement
(fuller’s formula)
No of cement= 55/cement+Sand+Gravel
Formula of Solving the number of sand and gravel formula
No of sand= 0.028 x sand x Cement
No of gravel= 0.028 × gravel × cement
Class AA mixture
1 × 1.5 × 3
Class A mixture
1 × 2 × 4
Class B mixture
1 × 2.5 × 5
Class C mixture
1 × 3 × 6
Moment formula in Cantilever
Single support
M= WL²/2
Two support= WL²/8
Free end and fix end = (LxW/2)×L/3
W- weight
L- length
Number of farrowing pen formula
(No of sows × Liter index × occupancy period/365)×1.1
Solving for the floor spacing for broiler 0-4 weeks
Every 100 birds has 6.25 m² sapcing
GMP
Good Manufacturing Practices
API
American Petroleum Institute
CPM
Critical Path Method
A binary alloy of copper and zinc.
Brass
The resistance of a conductor _____
when its temperature is increased.
Increases
A meter whose needle is initially at the
center.
Galvanometer
- Dynamometer- used to measure force, torque, or power
- Iron vane meter- measure electrical quantities such as current or voltage
*Voltmeter-measure the potential difference (voltage) between two points in an electrical circuit.
Automatic device that operates at a
preset value.
a. Relay
c. Contactor
b. Mercury switch
d. Fuse
A.
- contactor - is an electrically controlled switch used for switching an electrical power circuit
*mercury switch - is an electrical switch that uses a small amount of liquid mercury enclosed in a glass or metal capsule to open or close an electrical circuit.
*Fuse - safety device used in electrical circuits to protect equipment and wiring from overcurrent conditions caused by short circuits, overloads, or faults.
1 Ton Refrigeration is equals to
12000 Btu/hr
3.52 kJ/s
1 Kcal to KJ
4.185 KJ
Age qualification to be a member of board of ABE
35
1 Kip to lb
1000 lb
Lighting intensity to be provided for nursery?
100 lux
Minimum lighting requirements for milker milking operator’s area?
Height of pen wall recommended for cattle feed lot?
1.2 to 1.5 m
Height of pen wall recommended for cattle feed lot?
1.2 to 1.5 m
Recommended brooding temperature for 14 to 21 days old chicks?
27 to 29 °C
Polar moment of inertia for common cross sections
Rectangular = bh³/12 (b- width, h-height)
Circular = πd⁴/32
Hollow circular= π(D⁴-d⁴)/32
Triangular = bh³/36 (b-base, h-height)
Latent heat of water/ice
144 BTU/lb
335 KJ/kg
Freezing temperature for most foods
-3 to 0.5 °C
or
-2°C
Specific heat of ice
2.1 KJ/kg-Kelvin
Standard unit for expressing the cooling capacity of a refrigeration unit
1 ton of refrigeration
Quantity of heat required to raise or lower the temperature of 1 kg of water by 1 kelvin or 1 degrees celsius
Specific heat
The equivalent wye element of three equal resistors each equal to R and connected in delta is
R/3
Maximum moment M for a simple beam with a uniformly distributed load of W and a clear
span of L formula
M = WL²/8
Ratio of the weight of grains that fell out from the machine during
threshing operation, to the weight of the total grain input of the
thresher, expressed in percent.
separation loss
Capacitors used to filter DC components.
Electrolytic
Formula of effective modulus of elasticity?
EME= ((Ec×Ac)+(Es×As))/(Ac+As)
Where:
Ec- modulus of elasticity of concrete
Es- modulus of elasticity of steel
Ac- area of concrete
As- area of reinforcement of steel
To remove light impurities from the product, use the following
device:
A. scalper
B. sifter
C. specific gravity separator
D. air stream with velocity lower than product terminal velocity
D
The pressure exerted by a fluid on the wall of the confined fluid or
perpendicular to the direction of fluid flow is known as
Static pressure
In order for a material to be called a conductor, what is the
maximum number valence electrons it can have?
Three
From Ohm’s Law, the impedance multiplied by the current in the
circuit equals the:
Voltage
The transfer of heat from a higher- to a lower-temperature region
within a gas or a liquid by moving masses of the fluid.
Convection
Ratio of the average percent moisture content removed from the
grain to drying time expressed in percent per hour.
moisture reduction rate
The most common type of framing for all farm building since, if
properly anchored, braced and nailed, this frame is entirely
satisfactory and is economical, rapid method of construction.
Balloon frame
The minimum percentage of purity acceptable for a thresher with
sifter is:
90%
Squeezing the turns of a coil together will _________ its
inductance.
Increase
One kWh of energy equals nearly
A. 1000 W
B. 860 koal
C. 4186 J
D. 735.5W
B
The ratio of the moment of inertia of the beam cross section about
the neutral axis to the distance from neutral axis to extreme fibers
is called:
Section modulus
An area in which a sow is confined during farrowing and lactation
periods, but in which the sow can turn around.
Farrowing pen
Beam spanning from truss to truss and transfers the roof loads to
the truss
Purlins
The speed of an electric motor can be measured by a
Tachometer
Which of the following is an extensive property of thermodynamic
substance?
A. specific weight
B. specific internal energy
C. energy
D. specific gravity
C
Jute sacks maybe stacked up to a maximum height of ______.
6 m
A 3-phase wye connected solidly grounded alternator is under test.
Between one terminal and ground, the voltmeter registers 120 V,
between any two terminals; the voltmeter is expected to register
208 V
Which of the following wood species does not belong to the high
strength group?
A. Agoho
B. Sasalit
C. Yakal
D. Mahogany
D
Measure of the ability of the machine to remove the hulls.
coefficient of hulling
Coefficient of hulling
The ability of a material to withstand high stress without being
greatly deformed is called
stiffness
The “second generation” losses associated with post harvest
processes is approximated at:
7 to 26%
Section Modulus of different shape
Circle= πd³/32
Rectangle bh²/6
Square= b⁴/12
PERT is an acronym of?
Project Evaluation Review Technique
CPM stands for?
Critical Path Method
HACCP meaning
Hazard Analysis Critical Control Point
GMP meaning
Good Manufacturing Practice
SSOP
Sanitation Standard Operating Procedures
Unit of Load(P) in Structures
Newton
General formula of solving the Pressure
P=Force/Area
Maximum bending moment formula
Mmax= PL/4
Where:
P- Load
L- Length
Formula of maximum deflection
D= 5WL⁴/384×E×I
Where:
W- mass /load
L- length
E- modulus of elasticity
I- moment of inertia
Rectangle - bh³/12
Triangle bh³/36
Circle - πd⁴/32
Angle of twist formula
Angle= TL/JG
Where:
T- torque
L- length
J- polar moment of inertia
G- modulus
It is the ability of a material to absorb
energy in the elastic range.
Resilience
It is the measure of the resistance of
materials to bending stresses.
Modulus of rapture
It has a smooth and glossy surface achieved in
manufacture by firing at a high temperature after
coating the unfired units with compounds that will fuse to provide a hard-impervious surface.
Glazed brick
It is a special brick composed of clay, silica, flint,
and feldspar that has high fusing point and are
suitable for furnace linings.
Fire brick
Type of prestressed concrete where the concrete is poured and allowed to cure before the tendons (steel cables) are tensioned.
Post-tensioned concrete
A method of reinforcing concrete by introducing tension after the concrete has achieved a specified strength.
Post-tensioning
Why is a newly constructed road covered with straw or paper?
To prevent excessive evaporation
Slenderness ratio is defined as
Unsupported length over minimum radius of gyration
Which of the following represents the maximum moment M for a simple beam with a uniformly distributed load of W and a clear span of L? assume weight of beam to be negligible.
M=WL²/8
Maximum moment occurs at beam section at which shear diagram passes thru
Zero
A term used to describe the shape of the beam having negative bending moment.
Hogging
Area of rectangle when volume is given
A= 2(LH)+2(WH)
Where:
L- length
H- height
W- Width
EIA means
Environmental Impact Assessment
Moisture content of corn for corn sheller for testing?
18-24% wet basis
Involves the arrangement of compost mix in long, narrow piles or windrows that are
periodically turned to maintain aerobic conditions
windrow composting
The layer of aggregate, soil-treated aggregate, treated soil, or soil aggregate that
rests upon the Subbase or if no Subbase, upon the sub-grade
base course
In lateral and sub-lateral canal where the available roadway width is 3 meters, the
carriageway width shall be 2 meters and the shoulder width shall be 0.5 meters. If
the available roadway width is 4 meters, the shoulder shall expand to 1 meter.
Roadway on Lateral and Sub Lateral Irrigation Canals
Reynolds number formula
Re= (p×V×D)/u
Where:
p- density, kg/m³
V- velocity, m/s
D- diameter of pipe, m
u- dynamic Viscosity, Pa-s or kg/m-s
Psig stands for
Pound per square inch in gauge
1 kg-m²/s³ is equals to
Watt
Milled corn kernels with particle size between 1.8 mm to 2.0 mm
grit #10
Milled corn kernels with particle size between 1.5 mm to 1.7 mm
grit # 12
Milled corn kernels with particle size between 1.2 mm to 1.4 mm
grit # 14
milled corn kernels with particle size between 1.10 mm to 1.19 mm
grit # 16
milled corn kernels with particle size between 0.86 mm to 1.09 mm
grit # 18
Standard noise level of rice reaper
92 dBA
In FMR, the minimum hours before removal of forms.
(24 hours)
It is the ability of a rice mill to remove hulls without breaking.
Coefficient of wholeness
Mature male goat
Buck
Air circulation space requirement between sidewalls and benches in a greenhouse
(160mm)
A type of forage chopper where the chopped materials are blown up through the blow-
up pipe.
(blow-up type)
The ratio of the actual partial pressure exerted by the water vapor in any volume of air to
the partial pressure that would be exerted by the water vapor if the water vapor in the
air is saturated at the temperature of the air.
(relative humidity)
Part of aerogenerators in wind farms that converts rotational movement to AC electricity.
Alternator
What should be the tilt angle from the horizontal of the glass solar collector of a hybrid
biomass-solar dryer located somewhere in Surigao, Philippines, having a longitude of 125
degrees and latitude of 9 degrees? Since Philippines is in northern hemisphere, the solar
collector faces south or opposite hemisphere for maximum energy collection.
10 degree
Agricultural Structures – Housing for Goat and Sheep, what PAES no?
PAES 404:2001
The housing shall be provided with lighting intensity of
200 lux
Heating value of ethanol
12,800 BTU
Housing of Broiler Production PAES no
402:2001
Throw-in type thresher wherein cut plants are fed between the rotating cylinder and stationary concave and the threshed materials are discharged out of the threshing chamber tangentially.
Through-flow type Thresher
Type of thresher which detaches the grains by feeding the cut plants into the machine.
Thrown-in type thresher
Machine used to detach, separate and clean the kernels from the cob.
Corn Sheller
For every 100 chicks, the waterer shall be placed on stands about 25 mm high, what is the minimum water requirement for linear type waterer (PAES 402:2001 Housing for Broiler Production).
3.6 L
In PAES 410:200 (Lairage for Swine, Small and Large Animals), what is the minimum distance from the slaughter house?
10 m
Part of biogas digester that purifies and removes impurities from a gas. (something like this)
Scrubber
What is the third layer from the top for the Bituminous Road.
Aggregate Subbase Course
The radius of curvature for flat, rolling and mountainous terrain.
500, 150, 50 mm
A body or substance that absorbs heat through expansion on vaporization at lower temperature to higher temperature.
Refrigerant
A substance added to the mixture to increase the strength and minimize the time of drying
Hydrator
The equivalent amount paid by the World Bank for carbon emission reduction projects.
Carbon Credit Value
Formula of numbers and of sprinkler in longer side
No if sprinkler= (W/Spacing)×(L/Spacing)+1
Formula for number of sprinkler at larger side
L/Spacing= round up
W/Spacing round up
Then multiply the two
BOD
Biochemical Oxygen Demand
DO
Dissolve Oxygen
COD
Carbon Oxygen Demand
MCM is unit of?
Area of Mill circle
Where:
M= 10³ (like K in kilograms)
1inch= 1000 CM
The angle measured from the horizontal at which the product will start to move downward over a smooth surface with gravity discharging the product is called
Angle of friction
CH4 is what gas?
Methane
The power factor of an inductive circuit.
0
It is the power dissipated by the load. A. Apparent Power
True power
The effective width of 2 1/2 corrugated side lapping is
60 cm
The optimum relative humidity for storing fruits and vegetables is ___.
80-90%
An air-moving device suitable for grain cleaning.
Cross flow fan
A kind of a cleaner that uses air in separating lesser-density materials from corn kernel/corn grits such as floured corn, germ, and bran.
Aspirator
An indicator of food quality which determines its acceptability to the consumers.
A. Taste C. Palatability
B. Flavor D. None of these
C
The pre-drying temperature requirement for mushroom.
80-90°F
The pre-drying temperature requirement for mushroom.
80-90oF
The drying time requirement for solid yellow or slightly brown-flecked bananas in a dehydrator.
8 - 10 hours
This is a type of milk reconstituted with vegetable oil.
Filled Milk
70.Suppose you are working in a food processing plant. A contamination had spread in the plant, what must be the first thing
you should do?
A. Stop the processing
B. Find the source of contamination
C. Conduct clearing in the plant
D. Monitor the critical control points
B
71.This process applied in food kills bacteria by breaking down bacterial DNA, inhibiting bacterial division.
Gamma radiation
A systematic approach to the identification, evaluation, and control of food safety hazards.
HACCP
Hazard Analysis Critical Control Point
It is simply known as written sanitation standards (process or step implemented to prevent adulteration and contamination of products.
SSOP
Sanitation Standard Operating Procedures
A system for ensuring that products are consistently produced and controlled according to quality standards.
GMP
Good Manufacturing Practices
It refers to the stress in a material tending to cause deformation along a plane or planes perpendicular to the
imposed force.
Normal stress
Refers to the layer of the specified or selected materials of designated thickness in a pavement structure immediately above the sub-grade and below the base course
Subbase course
What is the minimum thickness of lining ditch for masonry with grouted ripraps?
0.25 meters
A widened, unobstructed shoulder area, about 30 meters long, that may be used for emergency purposes or allow
slow-moving vehicles to pull out of the carriageway to give passing opportunity to following or incoming vehicles.
Turn-out section
Based on PAES 407:2001 Housing for Dairy Cattle: What is the minimum floor space requirement for calves
(up to 3 months)?
3 m2
/animal
Which is the popular non-destructive testing device for concrete with steel probe?
A. Coring C. Rebound hammer
B. Pulse Velocity D. Penetration Resistance
D
This refers to a mixture of cement, water and sand that is used to fill spaced between tiles.
Grout
In concrete farm-to-market road design, what class A concrete thickness will you use in triangular concrete-lined
ditch?
15 cm
Rule of thumb for paint
4 liters per 35 m²
In free convection heat transfer transition from laminar to turbulent flow is governed by the critical value of the:
Prandtl number, Grashoff’s number
When a system deviates infinitesimally from equilibrium at every instant of its state, it is undergoing.
Quasi-steady process
The condition of refrigerant as it leaves the compressor in a vapor compression system.
Superheated vapor
The pressure at the outlet of a refrigerant compressor is called:
Discharge pressure
For most refrigerants, compressed liquid tables are not commonly available. One reason for the lack of
compressed liquid data is the relative independence of compressed liquid with pressure is very mild. A general
approximation is to treat compressed liquid as:
Saturated liquid
This states that the work required for crushing a given mass of material is constant for the same reduction ratio,
that is, the ratio of the initial particle size to the final particle size.
Kick’s law
This is a method of producing a dry powder from a liquid or slurry by rapidly drying with a hot gas.
Spray drying
This is an operation in which the constituents of a liquid mixture are separated using thermal energy.
Distillation
This unit operation is not intended to kill all microorganisms in the food. Instead, pasteurization aims to achieve
a “log reduction” in the number of viable organisms, reducing their number so they are unlikely to cause disease.
Pasteurization
The purpose of this unit operation is to destroy all microorganisms present in the food material to prevent its
spoilage and to ensure it is safe for consumption. Microorganisms are destroyed by heat, but the amount of heating
required to kill different organisms varies.
Sterilization
A set of step-by-step instructions compiled by an organization to help workers carry out routine operations.
SOP
Standard Operating Procedure
