Which of the following can often be installed without pilot holes?

a. deck screws
b. lag screws
c. carriage bolts


a. deck screws

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When a DMM is used to measure resistance, which of the following should be true?

A. circuit energized, leads in parallel B. circuit energized, lead in series C. circuit open, leads in parallel D. circuit open, red lead in mA socket

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Discuss how the carbon cycle functions

What will be an ideal response?

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Before lowering the vehicle, what should the technician do?

A) Ensure nothing is underneath the vehicle B) Be sure no one will be walking under or near the vehicle C) Raise the vehicle enough to release the safety latch D) All of these

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Beginning in May 2013, the minimum AFUE rating for a new furnace in the southern part of the United States is:

A) 90 percent. B) 60 percent. C) 80 percent. D) 78 percent.

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