The mechanical seal that optimizes seal face loading so that the faces stay closed without excessive force is
known as a(n) _____ seal.
a. balanced
b. unbalanced
c. single-spring
d. metal bellows
a
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Determine the length of pipe needed in a 90-degree offset (centerline-to-centerline) of 30” with a take-off of 2.45” per fitting side.
What will be an ideal response?
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List some uses for animals
What will be an ideal response?
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The great circle cuts a sphere into two equal parts called hemispheres.
Answer the following statement true (T) or false (F)
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Those people most adamantly opposed to President James K. Polk's expansionist program in Oregon, Texas and the Southwest were the
A. northwestern Democrats. B. abolitionists. C. southern Democrats. D. generals in the U.S. Army such as General Zachary Taylor. E. pro-slavery Whigs.
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