An R-22 system has a 6 psi pressure drop in the liquid line and leaves the condenser at 218 psi. If the pressure at the top of the vertical lift is 199 psi, what is the height of the vertical lift?
A) 21 ft B) 19 ft C) 26 ft D) 29 ft
C
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List the three basic systems used to produce seedlings.
What will be an ideal response?
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On an air cooled compressor, which of the following will wash lubricant from cylinder walls and cause piston wear allowing “blow-by” of vapor into the crankcase?
a. Slugging b. Flooding c. Starving d. Hemorrhaging
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A device typically used to allow the processor to select specific devices in the system is ________
A) a decoder B) a demultiplexer C) a shift register D) none of the above
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The shape of the tooth on a gear is called:
A. Tooth form. B. Tooth angle. C. Tooth pitch. D. Tooth taper.
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