What is the purpose of the metering device?
What will be an ideal response?
It reduces the boiling point of the refrigerant far enough below the temperature of the load to get the required heat transfer rate.
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Which of these is also known as electrical potential?
A) Volts B) Ohms C) Amps D) None of these
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A conductor with failed insulation contacts the metal edge of a grounded metal wireway. This is known as a(n) _____.
a. overload b. short circuit c. ground fault d. arc fault
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On a geothermal heat pump, it is possible for scale to build up inside the refrigerant lines.
Answer the following statement true (T) or false (F)
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Which system uses G-code to control operation?
A. Smart relays B. CNC C. PLC D. NC
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