The largest capacity chillers use
A) Centrifugal compressors B) Rotary compressors
C) Reciprocating compressors D) Scroll compressors
A
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It takes several years before a tree will bear fruit
Indicate whether the statement is true or false
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Safe methods of heating a refrigerant cylinder during charging include which of the following? (You may select more than one.)
A) An oxyacetylene torch with a rosebud tip B) Boiling water C) An electric cylinder heater D) Warm water E) An air acetylene torch adjusted to a low flame F) Warm condenser discharge air
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A ____ is the connecting of two wythes to form stability within the wall.
A. gambrel B. bond C. dormer D. mansard
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Which of the following is not a form of graphic communication?
A. sketch B. slide C. photograph D. mp3 file
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