When interpreting meter readings in autoranging mode, ________
A) Convert the reading prefix to base units if needed
B) Note the prefix indicated by the meter
C) Both A and B
D) Neither A nor B
C
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Easily decayed materials, like starch, are said to be ____________________
Fill in the blank(s) with the appropriate word(s).
In a parallel compressor system, oil often does not return at the same rate to all of the compressors because:
A) Only some of the compressors require oil return. B) All the compressors do not use the same type of refrigerant oil. C) All the compressors do not operate for the same length of time. D) Parallel compressors are normally stacked vertically, so most of the returning oil returns to the crankcase of the bottom compressor.
Which of the following categories of pipe is black pipe?
A) Iron pipe B) Copper pipe C) Aluminum pipe D) Gold pipe
What type of compressor is most often used in large chillers?
A) Reciprocating B) Scroll C) Rotary D) Centrifugal