In a servo brake, the secondary shoe provides approximately what percentage of the total stopping power?

A) 55 B) 70 C) 30 D) 75


B

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What are the steps involved in testing the PCV valve?

What will be an ideal response?

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The United States imports much of its petroleum

Indicate whether the statement is true or false

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The speed of sound in air is approximately 340 m/s. The speed of light in air is approximately 3 x 10^8 m/s. If a lightning strike occurs three kilometers away, how much time elapses before you hear the thunder?

What will be an ideal response?

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The ____ command is used to look for patterns in files.

A. awk B. find C. pattern D. search

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