A(n) ____ is an electric safety switch that automatically opens a circuit when excessive amperage occurs.

A. breaker
B. inverter
C. transformer
D. panel


Answer: A

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A fence, square ?in shape and 8 ft. 3 in. on a side, is put around the tower for a wind turbine.  The length of the fence is:

A. ?16 ft. 6 in. B. ?24 ft. 9 in. C. ?33 ft. D. ?64 ft. 9 in.

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What type of fitting can be used to change the direction of flow?

A. Cap B. Bushing C. Elbow D. Wye fitting

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An existing highway-rail at-grade crossing is to be upgraded. Plans were developed in 2001; the cost estimate for that improvement was $570,000 at that time. Due to funding constraints, construction of the improvement was delayed until 2005. Using the data given in Table 11.3, estimate the construction cost in 2005 dollars.

What will be an ideal response?

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Kinetic energy is present when the vehicle is stopped with the parking brake applied.

Answer the following statement true (T) or false (F)

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