When a truck ABS system is described as 6S/4M configured, how many modulator valves are used in the system?

A. 6
B. 4
C. 2
D. 1


Answer: B

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When installing single conductor cables in tray systems with conductors size 4/0 and larger, they must be _____.

a. installed in multiple layers b. installed in a single layer c. spaced one cable diameter apart d. derated according to the number of conductors in the tray

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Label the following furnace

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Explain why steam is commonly used as an inert gas for purging vessels and lines.

What will be an ideal response?

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Confinement barns have wall heights of _____ feet

a. 8 to 12 c. 12 to 16 b. 10 to 14 d. 14 to 18

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