Why are bolt-on piercing valves not supposed to remain on systems permanently?

What will be an ideal response?


Bolt on piercing valves are prone to leaks.

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Consolidation takes place when the soil at a fill site is compacted _____.

a. unevenly b. with sheepsfoot rollers c. uniformly d. by natural forces

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One pound-foot is greater than one newton meter

Indicate whether the statement is true or false

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Describe the contact symbol.

What will be an ideal response?

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The differential lock causes

A. power to be transmitted equally to both rear axles B. wear on tires C. axle strain D. all of the above

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