Transmission of data through space without the use of connections between sending and receiving systems is called ________

A) sonar B) line-of-sight communications
C) wireless communications D) full-duplex communications


C

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What is the maximum permissible air leakage rating for windows in the U.S. per the International Energy Conservation Code (IECC)?

What will be an ideal response?

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What components of the oil burner are responsible for atomizing the oil?

A) The oil pump and nozzle B) The fan, air tube, and turbulator C) The ignition transformer and electrodes D) The oil slinger and collection cup

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What happens to the flash gas formed in a chiller economizer?

A) It is piped to a later stage in the compressor. B) It is piped to the chiller bundle. C) It is absorbed into the economizer adsorbent solution. D) It is condensed.

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_____ is a form of energy not derived from sunlight.

A. ?Biomass fuel B. ?Fossil fuel? C. ?Wind energy? D. ?Tidal energy

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