Who may refill a DOT 39 nonrefillable cylinder?

A) Only EPA-certified refrigerant recyclers B) Only certified technicians
C) Only refrigerant manufacturers D) Nobody


D

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In a series motor, any increase in load causes an increase of ____________________ in both the field and armature circuits.

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

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Which of the following is true about a battery?

A. The liquid inside is not corrosive. B. It contains electrolytes. C. Disconnect the positive battery cable first. D. It produces hydrogen, which is flammable.

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Both the National Cattlemen's Association and the National Pork Producers Council have creeds for fair animal treatment.

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

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Package or self-contained all-weather units are not normally made for electric air conditioning and ____.

A. natural gas heat B. electric heat C. LP gas heat D. oil heat

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