If x(t) = 2tri(t/4) ? ? (t ? 2) , find the values of


(a) x (1)
(b) x (?1)


1/2, 3/2

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Which of the following are designed to withstand numerous trip and reset cycles without replacement and can be thermal, magnetic, or solid-state?

a. Overload relays b. Semiconductor fuses c. Fast-acting fuses d. Current-limiting devices _

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What are the safety guidelines to follow when constructing a fence?

What will be an ideal response?

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Between 1880 and 1920, the circulation of agricultural publications grew from about 1 million to around:

a. 6 million b. 17 million c. 28 million d. 35 million

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In steel erection, work cannot begin without written notification by the controlling contractor. What information must be contained in the written notification?

What will be an ideal response?

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