For small welding jobs and for hobbyists, ____________________ welding is often the best welding method for thin metal and small parts because it is so easy to control the flame heat.

Fill in the blank(s) with the appropriate word(s).


gas

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A piece of sheet metal is punched as shown. Find the area remaining after the punching operation. Express the answer to the nearest hundredth.

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Explain the pros and cons of using an open valley, a closed-cut valley, and a woven valley in an asphalt shingle roof.

What will be an ideal response?

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Which form of financing has the lower after-tax cost, debt or equity? Why?

What will be an ideal response?

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The impedance of a 10 MVA, 22/220 kV transformer is 0.2 per unit. What is this impedance in per unit for a power base of 10 MVA, and a voltage base of 11 kV on the low voltage side of the transformer?

A. 0.05 p.u. B. 0.1 p.u. C. 0.2 p.u. D. 0.4 p.u. E. 0.8 p.u.

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