The ____________________________ is another positive displacement compressor and is used for larger air conditioning and refrigeration applications.
Fill in the blank(s) with the appropriate word(s).
screw compressor
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The biggest difference between electric water heaters and fuel-fired water heaters is that electric water heaters have no need for combustion air, a(n) ____________________ chamber, or a flue pipe.
a. thermal b. combustion c. insulation d. element
Which of the following must be connected to the neutral terminal bus of a main distribution panel?
a. Metal water pipe b. Grounding electrode conductor c. Plate electrode d. Main bonding jumper
What is the resistance of a small reading lamp that operates on 12.6 volts and draws 150 mA?
What will be an ideal response?
When someone in the shop catches fire, which is the most appropriate device to use first?
A) Water hose B) Fire blanket C) Fire extinguisher D) None of these