A __________ is used to cut holes in metal electrical boxes for installing cable or conduit.

a. knockout punch
b. keyhole saw
c. hole saw
d. auger bit


a. knockout punch

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The average U.S. farmer produces enough food to feed about how many people?

a. 57 c. 417 b. 167 d. 577

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For the circuit in Fig. 11.47, find the maximum power that can be delivered to the load ZL.

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How does auditing allow effective organizations to see their progress?

What will be an ideal response?

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The speed regulation of a squirrel-cage motor is __________.

A. poor B. good

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