Explain how contaminants from a previous compressor failure can cause a replacement compressor to fail

What will be an ideal response?


Carbon from a previous burnout left in the system can ground out the new compressor by providing a conductive path between the motor terminals and the shell. Acids can attack system components, including the compressor windings.

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Can you think of ten important parameters that ought to be sensed in a futuristic automobile? What type of sensors do you need to monitor them constantly?

What will be an ideal response?

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____ contains little or no unoxidized iron.

A. Soft slag B. Hard slag C. Magnesium D. Zinc

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Natural convection occurs because of:

A) Fans, pumps, and other mechanical devices. B) Differences in fluid density due to temperature difference. C) Naturally occurring magnetic fields surrounding the earth. D) Gentle breezes on properly placed equipment.

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If moisture is not removed from the system prior to startup, system damage can result, including such problems as __________ and __________.

What will be an ideal response?

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