What is the ideal or preferred DPF regeneration cycle?

A. Active.
B. Manual.
C. Passive.
D. Low temperature.


Answer: C

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Use the accompanying figure to compute angle C to the nearest minute. Angle A = 29o and angle B = 30o.

A. 21o48' B. 23o50' C. 25o52' D. 27o55'

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The leaves of narrowleaf evergreens may be needlelike or scalelike

Indicate whether the statement is true or false

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The outer walls of the firebox are most often ____.

A. common brick B. natural stone C. concrete D. wood

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The outside diameter of schedule 40 black iron pipe is approximately:

A) ΒΌ inch larger than the pipe's nominal size. B) The same size as the pipe's nominal size. C) 1/8 inch larger than the pipe's nominal size. D) 3/16 inch larger than the pipe's nominal size.

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