A very common device that uses the principle of expanding metal to operate a set of contacts is the ____________________ relay found in the refrigeration industry.

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


hot-wire starting

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Most cutting tips are made of ____________________.

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

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If a very low resistance is indicated by an ohmmeter, the transistor is ____.

a. leaky b. shorted c. open d. still operable

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Objects that have been sanitized are kept clean by ultra violet rays or by:

What will be an ideal response?

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Match the gas to its typical pressure.

A. 3.5 in. W.C. B. 2.5 in. W.C. C. 11 in. W.C.

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