What are the three methods of operating a photoelectric switch?

What will be an ideal response?


The three methods of operating a photoelectric switch are: thru-beam, retroreflective, and diffuse.

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Describe the differences between all-season tires and conventional tires.

What will be an ideal response?

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Respirator training is required every ______ year(s).

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

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A(n) ____________________ system reuses the same fluid over and over and is contained in a sealed piping arrangement.

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

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How is a compressor's rated load amp rating, RLA, determined?

A) It is the compressor's maximum continuous current rating divided by 1.56. B) It is the average of the operating current across all operating conditions for which the system is designed. C) It is the maximum current that the compressor should draw. D) It is the current draw at the compressor's capacity rating point.

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