In the accompanying figure, the item identified as number 3 is the symbol for ____.

A. degrees
B. seconds
C. minutes
D. arcs


Answer: B

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Authoritative rules for electrical design and installation are contained in which of the following documents?

A) ASHRAE Handbook of Fundamentals. B) NFPA 101. C) NEC.

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Why did Britain move to establish the Dominion of Canada following the Civil War? Were their concerns reasonable? Why?

What will be an ideal response?

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Because testing of nuclear bombs was halted inter­nationally in 1992, the Department of Energy has developed a laser system that allows engineers to simulate (in a laboratory) conditions in a thermo­nuclear reaction. Due to soaring cost overruns, a congressional committee undertook an investiga­tion and discovered that the estimated develop­ment cost of the project increased at an average rate of 2% per month over a 5-year period. If the original cost was estimated to be $2.3 billion 5 years ago, what is the expected cost today?

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Why is the steam grid humidifier recommended?

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