Empty disposable R-134a refrigerant containers should be:

A) disposed of according to SAE J2196
B) evacuated into a recovery/recycling machine
C) flushed with R-152a refrigerant
D) flushed with R-134a refrigerant


B) evacuated into a recovery/recycling machine.

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Tanks, storage bins, manholes, and silos are examples of ____ spaces.

a. confined b. open c. available d. hidden

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Identify the following components:

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Why does compressed air require a dryer?

A) To remove residual moisture that may have entered the air lines during installation B) Compressing air tends to cool it off, causing water to begin condensing. C) Some small amounts of water from the water jacket cooling the air compressor enter the compressed air. D) To dehumidify the air

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If three 4.7 k? resistors are connected in parallel across a 12 V source, what is the value of PT?

A) 141 mW B) 14.1 mW C) 91.9 mW D) 1.41 W

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