AGRICULTURAL PROCESSING, STRUCTURES, ELECTRIFICATION AND ALLIED SUBJECTS PART 1.PPT

AGRICULTURAL
PROCESSING, STRUCTURES,
ELECTRIFICATION, AND
ALLIED SUBJECTS
Prepared by:
Engr. Alexis T. Belonio
Professional Agricultural Engineer
Department of Agricultural Engineering and
Environmental Management
Central Philippine University
Iloilo City
atbelonio@yahoo.com

Changes in the flavor of meat, fish, or
poultry during freezing is due to the
a. Change in temperature of
the product
b. Oxidation of fats
c. Microorganisms that were
killed during storage
d. None of the above
Answer: Oxidation of fats

It is a method of freezing the surface
of poultry meat using mist of liquid
prior to storage in an air blast freezer
or cold storage room
a. Liquid immersion freezing
b. Liquid spray freezing
c. Conveyor tunnel freezing
d. All of the above
Answer: Liquid spray freezing

If a poultry products is stored at a
temperature of 35-40°F, the product
quality can be maintained within
a. 1 to 2 months
b. 1 to 2 days
c. 1 to 2 hours
Answer: 1 to 2 days

It is a flesh obtained from
domesticated animals.
a. Carcass
b. Meat
c. Giblets
Answer: Meat

It is the meat obtained from
hogs
a. Beef
b. Pork
c. Veal
d. All of the above
Answer: Pork

It is the meat of sheep that is less
than one year old.
a. Lamb
b. Muttons
c. Chevon
Answer: Muttons

It is the meat from rabbit
a. Lapan
b. Vension
c. Chevon
Answer: Lapan

It is the method used in
preserving meat.
a. Smoking process
b. Refrigeration
c. Freeze drying
d. Irradiation
e. All of the above
f. None of the above
Answer: All of the above

It is a meat of less than one-
year old cattle.
a. Beef
b. Veal
c. Carabeef
d. All of the above
Answer: Veal

Which of the a following is
true?
a. When beef is stored at lower
temperature it will have longer storage
life than when cold stored at higher
temperature
b. Storing beef at lower temperature will
reduce its storage life
c. Storing beef at higher temperature will
increase its storage life
d. All of the above
Answer: When beef is stored at lower
temperature it will have longer storage
life than when cold stored at higher
temperature

Myoglobin content in meat is
responsible for
a. Odor of meat after cold
storage
b. Appearance of meat
c. Color of meat
d. Two of the above
e. All of the above
f. None of the above
Answer: Two of the above

It is the process of allowing meat
to hang at temperature of 0 to 3°C
to create tenderizing effect before
freezing.
a. Aging
b. Freezing
c. Tempering
Answer: Aging

Which of the following is true in
cold storage of meat?
a. Extreme temperature fluctuation during
defrosting contributes to short storage life
of the meat
b. Freezing meat and its subsequent frozen
storage improves the quality of meat
products
c. Proper handling of meat prior to freezing
reduces the quality of frozen products
Answer: Extreme temperature fluctuation
during defrosting contributes to short
storage life of the meat

Freezer burn in meat product is a
result of
a. Storing meat product in a freezer
with plastic sheet to prevent
moisture loss
b. Storing meat product without
plastic sheet at low relative
humidity
c. Proper handling of meat prior to
freezing reduces the quality of
frozen products
Answer: Storing meat product without
plastic sheet at low relative
humidity

The recommended time for storing
beet cuts at -18°C is
a. 6 to 12 months
b. 3 to 4 months
c. 1 to 2 months
Answer: 6 to 12 months

Ground beef can be stored at -18°C
within a period of
a. 6 to 12 months
b. 3 to 4 months
c. 1 to 2 months
Answer: 3 to 4 months

It is a method of freezing shrimp into
an agitated cold brine solution of a
fixed concentration and temperature
a. Blast freezing
b. Immersion freezing
c. Tunnel freezing
Answer: Immersion freezing

At -18°C scallop meat have a
frozen storage life of
a. 1 – 2 months
b. 3 – 6 months
c. 7 – 12 months
Answer: 7 – 12 months

ASHRAE is the acronym for
a. Association of Heat, Refrigeration,
and Air Conditioning Engineers
b. American Society of Heating,
Refrigerating, and Air Conditioning
Engineers
c. Association of Sensible Heating,
Refrigeration, and Air Cooling
Engineers
Answer: American Society of Heating,
Refrigerating, and Air Conditioning
Engineers

An equipment that is used to clean,
cool, heat, humidify, or dehumidify
air
a. Air heat exchanger
b. Air conditioner
c. Air-cooled condenser
d. All of the above
Answer: Air conditioner

The process of removing moisture
from air
a. Dehydration
b. Air suction
c. Dehumidify
d. All of the above
Answer: Dehumidify

It is the most popular refrigerant
used for refrigeration system.
a. R-12
(Dichlorodifluoromethane)
b. R-22
(Monochlorodifuoromethane)
c. R-502 (mixture of R-22 and
R-115)
d. All of the above
Answer: R-12

A popular refrigerant for low
temperature refrigeration systems.
a. R-12
b. R-22
(Monochlorodifuoromethane
)
c. R-502 (mixture of R-22 and
R-115)
d. All of the above
Answer: R-502 (mixture of R-22
and R-115)

It is the process by which air is
cooled, cleaned, and circulated.
a. Air conditioner
b. Air conditioning
c. Air cooling and cleaning
d. All of the above
Answer: Air conditioning

Air conditioning system wherein the
condenser is located separately from
the evaporator and uses an
interconnecting refrigerant lines.
a. Split-system air
conditioning system
b. Package equipment air
conditioning system
c. All of the above
Answer: Split-system air
conditioning system

It is the cooling equipment of air
conditioner.
a. Condenser
b. Evaporator
c. Compressor
d. Expansion valve
Answer: Evaporator

Condenser efficiency of an air
conditioner can be increased by
a. Reducing the condenser
surface area
b. Increasing the amount of
refrigerant flowing in the
condenser
c. Increasing the condenser
surface area
Answer: Increasing the
condenser surface area

Operating temperature of
evaporator in an air-conditioning
system
a. 20°F
b. 40°F
c. 60°F
d. All of the above
Answer: 40°F

Refrigerated-air conditioning is
used in
a. Hot temperature with high
humidity
b. Hot temperature with high
or low humidity
c. Hot temperature with low
humidity
Answer: Hot temperature with
low humidity

It is the source of electrical
pressure
a. Battery
b. Thermocouple
c. Generator
d. All of the above

Percentage energy conversion of an
average farm electric motor
a. 60 %
b. 75 %
c. 90 %
Answer: 75 %

It is the rate of converting energy
a. Power
b. Power factor
c. Work
Answer: Power

It is the portion of electric conductor
that extends from service-entrance
switch to a certain group of outlets or
to a single outlet.
a. Branch circuit
b. Wire
c. Fuse
d. All of the above
Answer: Branch circuit

A device use to protect branch
circuit form overloading.
a. Service entrance switch
b. Circuit breaker
c. Magnetic starting switch
d. All of the above
Answer: Circuit breaker

Another term used for circuit
breaker
a. Switch box
b. Fuse
c. Service entrance switch
d. All of the above
Answer: Fuse

An item commonly referred to as
convenient outlet
a. Junction box
b. Switch
c. Receptacle
d. All of the above
Answer: Receptacle

It is the number of wattage
required by an electrical equipment
in use in the building.
a. Electrical load
b. Power load
c. Total load
d. All of the above
Answer: Electrical load

The minimum load design value for
feeder-line and service-entrance
switch for general purpose barn
a. 3 watts/ft2 + 1320 watts/hp
each motor
b. 5 watts/ft2 + 1320 watts/hp
each motor
c. 10 watts/ft2 + 1320 watts/hp
each motor
Answer: 3 watts/ft2 + 1320
watts/hp each motor

It is the centroidal point of the
electric system
a. Electric load center
b. Distribution center
c. Center load
Answer: Electric load
center

Factors to consider in selecting
feeder lines.
a. Size of wire to safely carry
the current
b. Type and location of wire
adapted to its surrounding
c. Size of wire to prevent
excessive pressure loss or
voltage drop
d. All of the above

The wire that is extending from the
distribution center to the consumer
property.
a. Feeder line
b. Transmission line
c. Distribution line
d. All of the above
Answer: Feeder line

A circular mill refers to
a. The arc of a circle which has
a diameter of 1/1000 of an
inch
b. The area of a circle
expressed in millimeters
c. The area of a circle in inches
Answer: The arc of a circle
which has a diameter of
1/1000 of an inch

It is the amount of electrical
pressure used not to advantage
a. Voltage drop
b. Voltage loss
c. Voltage reduction
Answer: Voltage drop

The unit used when specifying the
intensity of light needed for various
seeing task.
a. Foot-candles
b. Lumen
c. All of the above
Answer: Foot candles

It is the ratio of the quantity in
working place to the quantity of
light output from the source.
a. Coefficient utilization
b. Room index
c. Lighting coefficient
Answer: Room index

Electrical equipment used to open
and to close a circuit
a. Circular breaker
b. Branch circuit
c. Switch
d. All of the above
Answer: Switch

A type of switch having contacts
which are operated by magnetism
a. Relay
b. Snap switch
c. Toggle switch
d. Two of the above
Answer: Relay

It is an electrically-controlled switch
for regulating the flow of liquid or
of gas.
a. Solinoid valve
b. Flow switch
c. Magnetic switch
Answer: Solinoid valve

A special kind of switch used to
control temperature.
a. Thermostat
b. Thermistor
c. Thermo-anemometer
d. All of the above
Answer: Thermostat

It is an automatic switch used to
control the level of liquid
a. Level switch
b. Float switch
c. Snap switch
d. All of the above
Answer: Float switch

An electrical switch that controls the
movement of some other pieces of
materials or machines such as the
travel of rope, chain, or carriage
a. Float switch
b. Pressure switch
c. Limit switch
d. All of the above
Answer: Limit switch

Most common electric motor speed
a. 600 – 800 rpm
b. 1700 – 1750 rpm
c. 2200 – 2600 rpm
Answer: 1700 – 1750 rpm

An allowable overload for a motor indicated
by a multiplier that when applied to a
normal horsepower rating indicates the
permissible loading
a. Power factor
b. Service factor
c. Load factor
d. All of the above
Answer: Service factor

An electrically-operated device that
converts one type of energy into
another type
a. Transducer
b. Transformer
c. Power converter
d. All of the above
Answer: Transducer

A magnetic device used to convert
electrical energy into linear motion
a. Solenoid
b. Magnetic switch
c. Relay
Answer: Solenoid

An electrical device that changes
one value of AC voltage into
another value.
a. Transducer
b. Transformer
c. Voltage regulator
d. All of the above
Answer: Transformer

A motor that develops more
starting torque and is best suited
for hardest-to-start load.
a. Split phase motor
b. Capacitor start motor
c. Repulsion start
induction motor
d. All of the above
Answer: Repulsion start
induction motor

A motor adapted for load that are
easy to start such as centrifugal
pumps, bench grinder, and others.
a. Split-phase motor
b. Capacitor start motor
c. Repulsion start
induction motor
d. All of the above
Answer: Split-phase motor

Wiring connection used for lights
on small appliance in farm buildings
a. Series connection
b. Parallel connection
c. Delta-wye connection
d. All of the above
Answer: Parallel
connection

When the current is the same
throughout all the parts of the
circuit, the circuit line is
a. In series
b. In parallel
c. All of the above
Answer: In series

A temperature-response mechanism used to
control heating system and cooling system with
the object of monitoring certain temperature
without further personal attention.
a. Pyrometer
b. Thermostat
c. Thermometer
d. All of the above
Answer: Thermostat

A current which, when flowing
through a given resistance, is
practically unvarying and going in
one direction only.
a. DC
b. AC
c. AC-DC
Answer: DC

A rotating machine that converts
electrical power into mechanical
power.
a. Generator
b. Electric motor
c. Windmill
Answer: Electric motor

A rotating machine that converts
mechanical power to electrical
power.
a. Generator
b. Electric motor
c. Windmill
Answer: Generator

The ratio of the maximum demand
power to the total connecting load.
a. Demand factor
b. Load factor
c. Power factor
Answer: Demand factor

The ratio of the average load to the
maximum demand of a system.
a. Demand factor
b. Load factor
c. Power factor
Answer: Demand factor

The ratio of the true power to the
apparent power.
a. Demand factor
b. Load factor
c. Power factor
Answer: Power factor

The property of the material that
prevents the flow of current and at
the same time electrical energy is
converted into heat.
a. Inductance
b. Capacitance
c. Resistance
Answer: Resistance

The property of an electrical circuit
which opposes a change in current.
It is also referred to as the fly-
wheel effect of an electric circuit.
a. Inductance
b. Capacitance
c. Resistance
Answer: Inductance

The property of an electric circuit
that enables it to store an electric
charge.
a. Inductance
b. Capacitance
c. Resistance
Answer: Capacitance

The practical unit of inductance
a. Henry
b. Farad
c. Ohms
Answer: Henry

The practical unit of capacitance
a. Henry
b. Farad
c. Ohms
Answer: Farad

The ratio of the applied voltage to
the resultant steady-state current
a. Impedance
b. Capacitance
c. Inductance
Answer: Impedance

Type of kilowatt-hour meter that is read
exactly in like manner as the mileage
indicator of the automobile.
a. Pointer-dial type
b. Cyclometer type
c. Direct reading type
Answer: Cyclometer type

A kilowatt-hour meter with four dials and each dial
is calibrated in opposite direction and dial readings
from left to right give thousands, hundreds, tens,
and single units of kilowatt-hour respectively.
a. Pointer-dial type
b. Cyclometer type
c. Direct reading type
Answer: Pointer-dial type

The number of watts required for
an electrical equipment in used in
building.
a. Demand load
b. Building load
c. Electric load
Answer: Electric load

Type of distribution center where the
kilowatt-hour meter and the disconnect-
switch are located outside of one of the
buildings
a. Indoor
b. Outdoors
c. Pole
Answer: Outdoors

Type of distribution center where the
meter and the disconnect switch are
located on a main distribution pole.
a. Indoors
b. Outdoors
c. Pole type
Answer: Pole type

It refers to a certain amount of
electrical pressure or volts used but
not to advantage.
a. Power loss
b. Voltage drop
c. Energy loss
Answer: Voltage drop

Which of the following are the
motor’s jobs
a. To drive the load at
proper speed
b. To withstand the “abuse”
of its surroundings
c. To start the load
d. All of the above

Classification of AC motors according to
power source with a single set of
windings and 1 slip ring which
produces single wave of voltage.
a. Single phase
b. Poly phase
c. Two phase
Answer: Single phase

power source with three sets of
windings and 3 slip ring which
produces three waves of voltage.
a. Single phase
b. Poly phase
c. Two phase
Answer: Poly phase

principles and characteristics of
operation that runs at an exact speed
for all loads up to the pull-out point.
a. Synchronous
b. Series
c. Induction
Answer: Synchronous

operation that provides good starting
torque, good running torque, variable
speed and approximately constant Hp
output.
a. Synchronous
b. Series
c. Induction
Answer: Series

operation that runs at constant speed,
variable torque, variable Hp, average
power factor and average efficiency.
a. Synchronous
b. Series
c. Induction
Answer: Induction

The most basic of all electrical controls
and its purpose is to open and to close
an electric circuit or to start and to stop
the flow of electricity.
a. Contacts
b. Control
c. Switch
Answer: Switch

A type of switch having contacts
that is operated by magnetism.
a. Push button
b. Relays
c. Motor-starting switch
Answer: Relays

It protects the motor due to its built-in
overload device that automatically trips
the switch in case too much current will
flow to the motor.
a. Motor-starting switch
b. Magnetic-starting switch
c. Reduce-voltage starters
Answer: Magnetic-starting
switch

This switch incorporates into one
unit the principles of the relay coil,
the overload heater and strips, and
the pushbutton control.
c. Reduce-voltage starters
Answer: _______________

It reduces the voltage to the motor
when the motor is starting and
applies the full voltage when the
motor has gained sufficient speed.
c. Reduce-voltage switch
Answer: Reduce-voltage
switch

This type of control is operated by
electricity but it is used to control
the flow of water, oil or gas.
a. Solenoid valve
b. Thermostat
c. Push button
Answer: Solenoid valve

Special kind of switch that must
open and close automatically in
response to changes in
temperature.
a. Thermostat
b. Bellows thermostat
c. Bimetallic thermostat
Answer: Thermostat

This type of thermostat is used for
heating or cooling but the switch
contacts are operated by the action
of the bellows.
a. Thermostat
Answer: Bellows thermostat

This thermostat makes use of two
unlike metals that do not expand in
the same amount.
a. Water thermostat
Answer: Bimetallic
thermostat

A type of thermostat is composed of
two hollow metal discs, the switch and
its contacts, and a frame for holding
the parts in place.
a. Wafer thermostat
Answer: Wafer
thermostat

A type of switch has an electric clock
that automatically operates switch
contacts at definite time intervals.
a. Float switch
b. Pressure switch
c. Time switch
d. Limit switch
e. None of the above
Answer: Time switch

Type of switch that is useful in farm
applications and is desired to limit the
travel of rope, chain or carriage.
a. Float switch
b. Pressure switch
c. Time switch
d. Limit switch
Answer: Limit switch

An automatic control having switch
contacts which are operated
according to various gas or liquid
pressure.
a. Float switch
b. Pressure switch
c. Time switch
d. Limit switch
Answer: Pressure switch

An invisible agent that produces
such effects such light, heat,
power, and sound.
a. Lamp
b. Conductor
c. Electricity
Answer: Electricity

AGRICULTURAL PROCESSING, STRUCTURES, ELECTRIFICATION AND ALLIED SUBJECTS PART 1.PPT

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