What characteristic must a refrigerant have if it is used as a drop-in replacement for another refrigerant?
a. Similar molecular structure
b. Compatible with existing compressor oil
c. Similar operating pressures and temperatures
d. Higher flammability
c
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Most of the animals raised are produced on corporate?owned farms
Indicate whether the statement is true or false.
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?Which type of cast iron undergoes a transformation as a result of a long heat-treating process to reduce hardness?
A. ?gray B. ?white C. ?malleable D. ?nodular
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What type of symbols are used to represent the gauge function on electronic instrument panels?
What will be an ideal response?
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The small amount of water lost in the form of fine droplets carried away by the circulating air is called
A) Carryover B) Drift C) Plume D) Tail
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