What is commonly done when a drop-in refrigerant is placed in operating equipment?

A) A crankcase heater is installed.
B) The oil is replaced.
C) A leak-detecting dye is added.
D) The refrigerant piping is replaced.


Answer: B

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? Identify and state the historical significance of the Liberty party.

What will be an ideal response?

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The tremendously rapid growth of American cities in the post-Civil War decades was

A. uniquely American. B. fueled by an agricultural system suffering from poor production levels. C. attributable to the closing of the frontier. D. a trend that affected Europe as well. E. None of these choices are correct.

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Answer the following statement(s) true (T) or false (F)

It is important when nailing wood siding that nails penetrate the two layers of siding.

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Metal slitting saws are used to:

A) Cut off materials B) Mill dovetails C) Mill flat surfaces D) All of the above

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