Which of the following is an advantage of a sliding fifth wheel?

A. Weight-over-axle on the tractor can be altered
B. Weight-over-axle on the trailer can be altered
C. Trailer bridge formula can be altered
D. All of the above


A. Weight-over-axle on the tractor can be altered

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Algunos detectores de humo se deben colocar en áreas donde la humedad sea inferior a:

a. 50 %. b. 65 %. c. 72 %. d. 93 %.

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When testing valve spring tension, within what percentage of the original tension specification should the measurement be?

A. 5 percent B. 10 percent C. 15 percent D. 20 percent

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Mobile refrigeration units are sized with no reserve capacity.

Answer the following statement true (T) or false (F)

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The most typical type of foundation used in residential construction is a(n) ____ foundation.

A. grade beam B. piling C. veneer D. spread

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