Technician A says that when a mineral oil installed into a R-134a system it will not dissolve into the refrigerant and can clog up circulation. Technician B says that all R-12 systems use mineral oils. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: C

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Hoof ____________________ will pick up increased sensitivity, commonly over the toe.

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

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In terms of defending America's national interests, which do you think was the most critical front in World War II, the European theater or the Pacific? Why?

What will be an ideal response?

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Cutting material away from a corner can relieve the internal stress brought on by two edges being bent in the same direction.

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

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Gerbils relish sunflower seeds, eating them exclusively to their own detriment because they are low in calcium and high in fat. Therefore, because sunflower seeds are nutritionally incomplete, gerbils should be fed them only in limited amounts as a treat

A. True B. False

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