The condensing temperature has to be higher than the ambient air temperature because:

a. Heat goes to cold; the heat in the condenser must transfer to the ambient air.
b. The compressor is designed to only raise temperatures, not lower them.
c. To allow for a safety factor in case the condenser gets dirty.


a. Heat goes to cold; the heat in the condenser must transfer to the ambient air.

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An owner of a start up business can either buy a more expensive piece of equipment that does more than what is required or less expensive equipment that will do what is required. Thinking like an owner, what might be a reason to buy the less equipment that will do what is needed rather than the more expensive equipment?

A. More is not always better B. To preserve capital for future business needs C. Equipment becomes outdated D. If the less expensive equipment is bought, the owner may be able to buy two of the same model instead of just one, that way they will have a back up if needed

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All of the following statements are true regarding productivity except

a. it is a measure of efficiency. b. it is an economic index of value. c. it has different levels and forms. d. it is related to quality in a positive way. e. All the above are true concerning productivity.

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Determine the forces in all truss bars. Indicate tension or compression.

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________________ is the distortion of a part after removal of forces applied during manufacture.

Fill in the blank(s) with the appropriate word(s).

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