Before installing a manifold gauge set on a refrigeration unit make sure:
A. The service valves are back seated
B. The service valves are mid seated
C. The service valves are mid seated 
turn clockwise
D. The service valves are front seated
Answer: A
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Answer the following statement true (T) or false (F)
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Cuando se coloca una columna sobre los cimientos, la columna está conectada a los cimientos con _____.
a. una espiga b. un cable c. un tirafondo d. un tendón
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Design a Lead controller using root locus techniques for the plant:
such that the following performance specifications are met:
System is stable.
What will be an ideal response?
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How are centrifugal compressors lubricated?
What will be an ideal response?
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