All pressure measurements are made against a reference pressure. The reference pressure for psig is __________.

A. a vacuum
B. atmospheric pressure
C. 0 inches of water column
D. 100 inches of water column


Answer: B

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When northwesterners questioned why all of Texas was annexed but not all of Oregon, Oregon settlement supporters such as Sen. Thomas Hart Benton of Missouri responded that

A. Oregon was far more expensive than Texas to defend. B. Oregon land was less desirable than that of Texas. C. Polk and his supporters in the Senate were far more interested in Texas as a bulwark for slavery. D. Great Britain was a far more powerful nation than Mexico. E. None of these choices are correct.

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Labco Scientific sells high-purity chemicals to universities, research laboratories, and pharma­ceutical companies. The company wants to invest in new equipment that will reduce shipping costs by better matching the size of the completed prod­ucts with the size of the shipping container. The new equipment is estimated to cost $450,000 to purchase and install. How much must Labco save each year for 3 years in order to justify the invest­ment at an interest rate of 10% per year?

What will be an ideal response?

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Today's pork is relatively lower in fat content

Indicate whether the statement is true or false

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An acute angle is an angle that is less than 90 degrees and greater than 45 degrees.

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

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