What cycles the compressors on most parallel rack systems?

a. CPR b. EPR c. low pressure controls d. high pressure controls


c. low pressure controls

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Assume that under ideal conditions bacteria divide every 20 minutes,

doubling their numbers. Starting with a single bacterium under these circumstances, how many would there be after two hours? Four hours? Eight hours?

What will be an ideal response?

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Technician Asays horizontial adjustment of an oscilloscope affects the time-per-division values. Technician B says changing the vertical adjustment of an oscilloscope affects the volts-per-division values. Who is correct?

A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B

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The highest available output for a water boiler is:

A) 30,000,000 BTU. B) 300,000 BTU. C) 50,000,000 BTU. D) 500,000 BTU.

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__________ is the study of how animals behave in their natural habitats.

A. Ecology B. Sociology C. Ethology D. Biology

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