Two technicians are discussing engine operation. Technician A says that valve timing is critical to smooth engine operation. Technician B says that ignition timing is critical to smooth engine operation. Who is correct?

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


Answer: C

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_____ is a form of asexual reproduction that eliminates burying part of the parent plant in the soil

A) Seed strings B) Upright layering C) Girdle layering D) Air layering

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The best time to prepare the soil for planting annuals is _____

A) winter B) spring C) summer D) fall

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The shoes you wear in the lab should:

a. Completely cover your feet c. Be made of canvas b. Have raised soles d. All answers are correct.

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List four underground utilities that must be located before trenching.________________________________________________________________________________________________________________________________________________

What will be an ideal response?

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