How long does it take a typical tractor trailer to clear a single track? A double track?

a. It takes 7 seconds to clear a single track, and more than 10 seconds to clear a double track.
b. It takes 10 seconds to clear a single track, and more than 12 seconds to clear a double track.
c. It takes 14 seconds to clear a single track, and more than 15 seconds to clear a double track


Answer: c. It takes 14 seconds to clear a single track, and more than 15 seconds to clear a double track

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Lighting contactors are rated for _____.

a. high horsepower loads b. low inrush currents and high voltages c. low inrush currents and low voltages d. high inrush currents

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President Johnson's plan for Reconstruction

A. differed radically from Lincoln's. B. guaranteed former slaves the right to vote. C. required that all former Confederate states ratify the Fourteenth Amendment. D. abolished literacy tests for voting in the South. E. aimed at swift restoration of the Southern states after a few moderate political conditions were met by the Southern states.

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Match the abbreviation with its correct meaning.

A. Millimeter B. Centimeter C. Decimeter D. Meter E. Dekameter F. Hectometer G. Kilometer

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AFT systems eliminate nonstructural wood from the building shell and replace it with insulation.

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

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