When soldering, why should flux be used?

A. It helps prevent oxidation.
B. It helps keep pipes clean.
C. It helps solder flow easier.
D. All of the above are correct.


Answer: D

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Technician A says that hydraulic lifters are adjusted when the valves are open so that the plunger may be put into a centered position. Technician B says that solid lifters require adjustment over time as engine parts wear. Who is correct?

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

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Water supply fittings are designed so they have a _____ radius _____ ledges

A) short; with B) short; without C) long; with D) long; without

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Margarine was first developed as a low cost substitute for butter.

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

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Protective equipment used during the maintenance of equipment such as saws and generators include all of the following except:

A. gloves B. hearing protection C. eye protection D. Nomex hood.

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