Refrigeration
Heating
Air-Conditioning
Misc. Parts
Brad's lament terms
100
A type of defrost that adds no heat
What is time off defrost
100
This device turns off the gas valve in the event of blower failure or loss of airflow
What is limit switch
100
The amount of heat required to melt a ton of ice at 32 degrees F in 24 hours
What is one ton of refrigeration?
100
A device that senses temperature change and changes some dimension or condition within to control an operating device.
What is a thermostat?
100
This evaporates
What is an evaporator?
200
Truck, rail, air and water are all categories of this
What is transport refrigeration
200
two dissimilar metals fastened together to create a distortion of the assembly with temperature changes
What is bimetal?
200
this device can be a double pole double throw and is used to turn on a compressor and condenser fan motor
What is a contactor?
200
An electrical storage device that is used to start motors and to improve the efficiency of motors.
What is a capacitor?
200
This condenses
What is a condenser?
300
This is the term for the difference of the entering air into a condenser and the refrigerant condensing temperature.
What is 30 over ambient.
300
This is used to measure gas pressure
What is a manometer?
300
The temperature of vapor refrigerant above its saturation (change of state) temperature
What is superheat?
300
This meters
What is a metering device?
400
An overcharge of refrigerant always causes an increase in this pressure
What is head pressure?
400
odorless, colorless, potentially lethal gas
What is carbon monoxide?
400
A valve or small fixed-size tubing or orifice that meters liquid refrigerant into the evaporator
What is a metering device?
400
A device that produces a pressure difference in air to move it
What is a fan?
400
Your professional best friends who do not work at the company that you work at
Who are supply house counter workers?
500
This solution is used in refrigerated plates and is corrosive to ferrous metals
What is brine solution?
500
a safety device that is works by use of flame rectification
What is a flame sensor?
500
The temperature of a liquid when it is cooled below its condensing temperature
What is subcooled?
500
A device that is used in electrical circuits for the protection of the circuit conductor and components
What is a fuse?
500
This compresses
What is a compressor?
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