The accompanying figure shows the elements of a roof. What is feature 5?

A. Roof covering
B. Underlayment
C. Collar tie
D. Rafter


Answer: C

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In one of the processes of high-pressure processing, what is represented by the letter "B"?  ?

A. ?hopper B. ?reciprocating screw C. ?expanded part D. ?split mold

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The bricks used in brick-faced concrete curtain wall panels are generally

A) thinner than those used in brick veneer construction. B) thicker than those used in brick veneer construction. C) of the same thickness as those used in brick veneer construction. D) any one of the above, depending on the building.

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Two finger grippers are good for ________________.

A. side-to-side centering B. centering a part in two directions at once C. odd-shaped parts D. long parts

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A straight line drawn as a perpendicular bisector of another straight line will form two 90-degree angles

Indicate whether the statement is true or false

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