The most efficient operation is achieved with:
A) Thermostatic expansion valves. B) Orifice-type metering devices.
C) Automatic expansion valves. D) Capillary tubes.
A
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Pigs are typically marketed when they reach about 300-320 pounds
Indicate whether the statement is true or false
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For a deep vacuum to complete, the system pressure should hold:
A) Somewhere between 5,001 and 10,000 microns. B) Below 500 microns. C) Somewhere between 1,500 and 5,000 microns. D) Above 500 microns.
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The fundamental hazard associated with excessive noise is hearing loss.