Why is an I-section beam structurally more efficient than a beam of rectangular cross section whose cross-sectional area is the same as that of an I-section beam?

What will be an ideal response?


An I-section beam is structurally more efficient because in an I-section, larger cross-sectional area is available at the top and bottom edges of the cross section where the bending stresses are large.

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What will be an ideal response?

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Orchard grass is an excellent horse pasture

Indicate whether the statement is true or false.

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When taking a facing cut on a workpiece held in a chuck, the point of the tool should be:

A) Slightly above center B) Slightly below center C) Sharp with no radius D) On center

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How many truth table entries are required for a four-input circuit?

A) 4 B) 16 C) 8 D) 12

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