Before changing accessories or performing maintenance on a power tool, make sure _____.

a. it is turned off
b. your hands are dry
c. to have a clean work surface
d. the power is disconnected


Answer: D

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An 802.11G AP employs OFDMA. What is its role in enhancing the performance?

What will be an ideal response?

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The moment-of-inertia of each small piece of an object is calculated by multiplying the mass of the piece by the ____.

A. square of the distance from the axis B. angle from the z-axis C. subtended solid angle D. distance from the axis

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Describe the basics of FAR 139 and its purpose in ensuring airport safety.

What are some of the most important components of 139?

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To operate the circuit in Figure 13-1 below the resonant frequency, ________ the resistance and ________ the frequency

A) decrease, decrease B) do not change, increase C) increase, increase D) do not change, decrease

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