What should be used to clean a dirty commutator in a disassembled starter motor?

A. general purpose emery cloth
B. right-angle grinder
C. sandpaper with #100 grit or less
D. sandpaper with #400 grit


Answer: C

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A(n) ____________________ is a chemical secreted by an organism to cause a specific reaction by

another organism of the same species, such as seeking mates.

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

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Transgametic technology involves the use of a viral sector

Indicate whether the statement is true or false

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When load testing a battery, which battery rating is usually used to determine how much load to apply to the battery?

A) RC B) CCA C) CA D) MCA

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A bulge on a brake hose is ________

A) Normal only on hoses made before the mid-1960s B) Normal with silicone brake fluid C) Normal D) An indication of an internal leak

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