PPT 1 Flashcards
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
d. Liquid spray freezing
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
b. Oxidation of fats
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
d. None of the above
b. 1 to 2 days
It is a flesh obtained from domesticated animals.
a. Carcass
b. Meat
c. Giblets
d. None of the above
b. Meat
It is the meat obtained from hogs
a. beef
b. pork
c. veal
d. none of the above
b. pork
It is the meat of sheep that is less than one year old.
a. Lamb
b. Muttons
c. Chevon
d. None of the above
a. Lamb
It is the meat from rabbit
a. Lapan
b. Vension
c. Chevon
d. None of the above
a. 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
f. all of the above
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
a. When beef is stored at lower temperature it will have longer storage life than when cold stored at higher temperature
It is a meat of less than one-year old cattle.
a. Beef
b. Veal
c. Carabeef
d. All of the above
b. veal
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
d. Two of the above
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
d. None of the above
a. Extreme temperature fluctuation during defrosting contributes to short storage life of the meat
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
d. None of the above
a. aging
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
d. None of the above
b. 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
d. None of the above
a. 6 to 12 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
d. None of the above
b. 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
d. None of the above
c. 7 – 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
d. None of the above
b. 3 to 4 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
d. None of the above
b. 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
b. Air conditioner
The process of removing moisture from air
a.Dehydration
b. Air suction
c. Dehumidify
d. All of the above
c. 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
a. R-12 (Dichlorodifluoromethane)
A popular refrigerant for low temperature refrigeration systems.
a. R-12 (Dichlorodifluoromethane)
b. R-22 (Monochlorodifuoromethane)
c. R-502 (mixture of R-22 and R-115)
d. All of the above
c. 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
b. 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
d. None of the above
a. Split-system air conditioning system
It is the cooling equipment of air conditioner.
a. Condenser
b. Evaporator
c. Compressor
d. Expansion valve
b. Evaporator
Operating temperature of evaporator in an air-conditioning system
a. 20°F
b. 40°F
c. 60°F
d. All of the above
b. 40°F
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
d. None of the above
b. Increasing the amount of refrigerant flowing in the condenser
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
d. None of the above
b. Hot temperature with high or low humidity
It is the source of electrical pressure
a. battery
b, thermocouple
c. generator
d. all of the above
d. all of the above
Percentage energy conversion of an average farm electric motor
a. 60 %
b. 75 %
c. 90 %
d. None of the above
b. 75 %
It is the rate of converting energy
a. Power
b. Power factor
c. Work
d. None of the above
a. 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
a. 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
b. Circuit breaker
Another term used for circuit breaker
a. Switch box
b. Fuse
c. Service entrance switch
d. All of the above
b. Fuse
An item commonly referred to as convenient outlet
a. Junction box
b. Switch
c. Receptacle
d. All of the above
c. 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
a. 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
d. None of the above
a. 3 watts/ft2 + 1320 watts/hp each moto
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
d. All of the above
It is the centroidal point of the electric system
a. Electric load center
b. Distribution center
c. Center load
d. None of the above
a. Electric load center
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
a. 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
d. None of the above
a. 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
d. None of the above
a. 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
d. None of the above
a. 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
d. None of the above
b. 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
c. 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
a. 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
d. None of the above
a. Solinoid valve
A special kind of switch used to control temperature.
a. Thermostat
b. Thermistor
c. Thermo-anemometer
d. All of the above
a. 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
b. 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
c. Limit switch
Most common electric motor speed
a. 600 – 800 rpm
b. 1700 – 1750 rpm
c. 2200 – 2600 rpm
d. None of the above
b. 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
b. 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
a. Transducer
A magnetic device used to convert electrical energy into linear motion
a. Solenoid
b. Magnetic switch
c. Relay
d. None of the above
a. 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
b. 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
c. 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
a. 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
b. 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
d. None of the above
a. 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
b. 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
d. None of the above
a. DC
A rotating machine that converts mechanical power to electrical power.
a. Generator
b. Electric motor
c. Windmill
d. None of the above
a. Generator
A rotating machine that converts electrical power into mechanical power.
a. Generator
b. Electric motor
c. Windmill
d. None of the above
b. Electric motor
The ratio of the maximum demand power to the total connecting load.
a. Demand factor
b. Load factor
c. Power factor
d. None of the above
a. Demand factor
The ratio of the average load to the maximum demand of a system.
a. Demand factor
b. Load factor
c. Power factor
d. None of the above
a. Demand factor
The ratio of the true power to the apparent power.
a. Demand factor
b. Load factor
c. Power factor
d. None of the above
c. 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
d. None of the above
c. 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
d. None of the above
a. Inductance
The property of an electric circuit that enables it to store an electric charge.
a. Inductance
b. Capacitance
c. Resistance
d. None of the above
b. Capacitance
The practical unit of inductance
a. Henry
b. Farad
c. Ohms
d. None of the above
a. Henry
The practical unit of capacitance
a. Henry
b. Farad
c. Ohms
d. None of the above
b. Farad
The ratio of the applied voltage to the resultant steady-state current
a. Impedance
b. Capacitance
c. Inductance
d. None of the above
a. 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
d. None of the above
b. 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
d. None of the above
a. 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
d. None of the above
c. 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
d. None of the above
b. 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
d. None of the above
c. 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
d. None of the above
b. 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
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
d. None of the above
a. Single phase
Classification of AC motors according to 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
d. None of the above
b. Poly phase
Classification of AC motors according to 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
d. None of the above
a. Synchronous
Classification of AC motors according to principles and characteristics of operation that provides good starting torque, good running torque, variable speed and approximately constant Hp output.
a. Synchronous
b. Series
c. Induction
d. None of the above
b. Series
Classification of AC motors according to principles and characteristics of operation that runs at constant speed, variable torque, variable Hp, average power factor and average efficiency.
a. Synchronous
b. Series
c. Induction
d. None of the above
c. 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
d. None of the above
c. Switch
A type of switch having contacts that is operated by magnetism.
a. Push button
b. Relays
c. Motor-starting switch
d. None of the above
b. 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
d. None of the above
b. Magnetic-starting switch
This switch incorporates into one unit the principles of the relay coil, the overload heater and strips, and the pushbutton control.
a. Motor-starting switch
b. Magnetic-starting switch
c. Reduce-voltage starters
d. None of the above
_____
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
d. None of the above
a. Solenoid valve
It reduces the voltage to the motor when the motor is starting and applies the full voltage when the motor has gained sufficient speed.
a. Motor-starting switch
b. Magnetic-starting switch
c. Reduce-voltage switch
d. None of the above
c. Reduce-voltage switch
Special kind of switch that must open and close automatically in response to changes in temperature.
a. Thermostat
b. Bellows thermostat
c. Bimetallic thermostat
d. None of the above
a. 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
b. Bellows thermostat
c. Bimetallic thermostat
d. None of the above
b. Bellows thermostat
This thermostat makes use of two unlike metals that do not expand in the same amount.
a. Water thermostat
b. Bellows thermostat
c. Bimetallic thermostat
d. None of the above
c. 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
b. Bellows thermostat
c. Bimetallic thermostat
d. None of the above
a. 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
c. 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
e. None of the above
d. Limit switch
An invisible agent that produces such effects such light, heat, power, and sound.
a. Lamp
b. Conductor
c. Electricity
e. None of the above
c. Electricity
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
e. None of the above
b. Pressure switch
