How are reciprocating, scroll and rotary compressors lubricated?

What will be an ideal response?


internal oil pumps using oil in the compressor crankcase

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The duodenum is the last segment of the small intestine

Indicate whether the statement is true or false

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What does a switch control?

What will be an ideal response?

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When the prefix “M” (Mega) is used in a unit of measurement, such as 100 MHz, it means __________.

a. hundred b. thousand c. million d. billion

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Reptiles are covered with scales, shields or plates and their toes:

A. have claws B. are webbed C. lack claws D. are retractable

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