The accompanying figure is an example of a(n) ____ thread.

A. right-hand
B. left-hand
C. top
D. bottom


Answer: B

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Because of the low pitch and the lack of surface texture, ____ roofs are usually outlined and left blank on drawings.

A. layered B. structured C. applied D. built-up

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When drawing roof plans lines will always be vertical, horizontal, or at a ____° angle.

A. 25 B. 45 C. 70 D. 90

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What is a supply pressure gauge used for

a. These gauges tell you how much pressure is in the air tanks. b. These gauges monitor you how much slack is in the slack adjusters. c. These gauges tell you how much pressure is in the air lines. d. These gauges warn you about brake chamber leaks only.

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The following values of PTSF, FFS, and ATS have been determined for three separate two-lane segments. Determine LOS if the segments are: (a) Class I, (b) Class II, and (c) Class III.

What will be an ideal response?

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