The voltage rating of wire is determined by ____.

a. the type of material of which the wire is made
b. the type of insulation
c. its diameter
d. its weight


b. the type of insulation

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All of the following mean the same as Minimum Attractive Rate of Return except:

(a) Hurdle rate (c) Benchmark rate (d ) Cutoff rate

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A 4” piece of steel round stock has a diameter of 3”. Calculate its weight, in pounds, when 1 cubic inch of steel weighs 0.2835. Round the answer to the nearest hundredth.

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A company that manufactures automatic blow­down control valves (for applications where boilers are operated unsupervised for 24 to 36 hours) has fixed cost of $160,000 per year and variable cost of $400 per valve. If the company expects to sell 12,000 valves per year, determine the selling price in order for the com­pany to (a) break even, and (b) make a profit of $400,000 per year.

What will be an ideal response?

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For which of the following types of lights must you define both a location and a direction?

a. Spot light b. Sun light c. Point light d. Direct light

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