Three products of complete combustion of natural and LP gas are carbon dioxide, water vapor, and _________________________.
Fill in the blank(s) with the appropriate word(s).
heat
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Two-temperature operation of a refrigeration system is necessary when ____.
A. the compressor must be protected from overloading B. more than one evaporator is used with a compressor C. the coil in the evaporator is excessively long D. a multiple-circuit distributor is used
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What should be the condensing temperature of a standard medium temperature refrigeration unit if the ambient air (air entering the condenser) is 85°?
a. 95° b. 105° c. 115° d. 125°
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
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What type of fire extinguisher is usable for most types of fires?
A) CO2 B) CO C) Dry chemical D) Water
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