Define anvil, spindle, sleeve and thimble as these terms apply to a micrometer.
What will be an ideal response?
When using a micrometer, the object being measured is placed between the anvil and spindle. You turn the thimble until the anvil contacts the object. You read the measurement off of the sleeve. Install easily, but can be difficult to remove.
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How can air be removed from a newly installed ground loop?
A) By purging the loop with nitrogen before connecting it to the system B) By adding low-toxicity antifreeze to the system C) By running water through the loop after connecting it to the system D) By temporarily connecting the purge unit
Which of the following fruits is being studied because it has potential to become an important source of nutrition in temperate regions of the world?
A. currants B. pawpaw C. quince D. sour cherries
Carry the answer to two decimal places. What is the tax bill for a contractor if his shop has an assessed valuation of $35,000, and the tax rate is $27.50 per thousand dollars of assessed valuation?
Fill in the blank(s) with the appropriate word(s).
Feed water valves operate by balancing the force generated by water pressure against an internal flexible ____, with the counterforce generate by a partially compressed spring.
a. feeder b. cavitator c. diaphragm d. pressurizer