While discussing intake seals, Technician A says that a faulty intake valve seal will allow oil to be pulled into the cylinder from the low pressure created during the intake stroke. Technician B says that a leaking intake seal can cause carbon buildup on the valve stem, which interferes with engine breathing. 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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The type of anchor that has a cutting sleeve, which is used first as a drill bit and later becomes the expandable anchor itself is a(n) _____.

a. self-drilling anchor b. expansion anchor c. drop-in anchor d. self-threading anchor

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List the five nutrient groups

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a. 10° b. 0° c. -10° d. -20°

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