When the refrigerant passes through the metering device, some of it starts to flash from a liquid to a gas because:
A) Of the turbulators located near the end of the metering device.
B) A large amount of heat is added to the refrigerant in the metering device.
C) The pressure has dropped to the saturation point.
D) The pressure has increased above the saturation point.
C
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Steel frame members are connected together either through welding or bolting. The connections may be accomplished either at the site or in the fabricator's shop. Which method is preferred for site -made connections and why?
What will be an ideal response?
Why is more horsepower required to produce a ton of cooling at an evaporator saturation temperature of 0°F than at 40°F?
What will be an ideal response?
To test for harmonic distortion in a three-phase four-wire system, measure all phase currents and the _______________ current with both a true-RMS indicating ammeter and an average-indicating ammeter.?
Fill in the blank(s) with the appropriate word(s).
The entire southern part of the United States was settled primarily because of what industry?
A) sugarcane B) tobacco C) cotton D) rice