Technician A says that a crankshaft must make two full rotations for the camshaft to make one. Technician B says that some engines vary the valve timing during operation to increase performance. 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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Non-protected workers who are exposed to rabies must undergo a series of about twenty injections over a two-month period

Indicate whether the statement is true or false

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Elevations are best measured using a _____.

a.carpenter’s level c.builder’s level b.tape measure d.elevator

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Employees must comply with all ___________________ and _____________________ safety rules and regulations.

What will be an ideal response?

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When digital logic or other designs that use high-pin-count chips are used, ____ trace layers are required.

A. one B. two C. four D. more than four

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