What are the three types of parent material used to produce soil?

What will be an ideal response?


• Igneous (granite)
• Sedimentary (sandstone)
• Metamorphic (slate)

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An ATC system has the ability to automatically ________.

A) Change the function door setting B) Move the temperature-blend door C) Adjust the blower speed D) All of these

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Two uses for a power router are ____________________ and ____________________

Fill in the blank(s) with the appropriate word(s).

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Which of the following is TRUE of drive pinion mounting?

A) A compressible spacer separating the two inner races supports an overhung pinion B) The overhung pinion can be supported by opposed straight roller bearings C) Pinion depth does not require adjustment D) All support for the pinion shaft comes from two preloaded bearings on a straddle mounted drive pinion

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What is the normal pressure range for high pressure gauges made for use on R-410A systems?

A) 0 - 30" Hg vacuum and 0 - 350 psig pressure B) 0 - 500 psig pressure C) 0 - 800 psig pressure D) 0 - 30" Hg vacuum and 0 - 120 psig pressure

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