The reading on a mercury manometer at 25°C (open to the atmosphere at one end) is 56.38 cm. The local acceleration of gravity is 
Atmospheric pressure is 101.78 kPa. What is the absolute pressure in kPa being measured? The density of mercury at 25°C is 
What will be an ideal response?
The total pressure is equal to atmospheric pressure plus the weight per area (?gh) of the mercury column. This is, in SI units, 
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The Treaty of Greenville signed in August with the Miami Confederation of Indian nations resulted in all of the following EXCEPT
A. giving to the United States vast tracts of land in the Old Northwest. B. the anticipated recognition of the sovereign status on the Miami Confederation of Indian nations. C. an annual annuity of $9,000 to the Indians. D. the right of the Indians to hunt the land they had ceded. E. fair and reasonable financial compensation to the Miamis in exchange for an iron-clad promise from the U.S. government to restrict further westward expansion along the Old Northwest frontier.
Laminar flow transfers heat more effectively than turbulent flow inside a heat exchanger.
a. true b. false
How energy-efficient is a typical internal combustion engine?
A) 40-60% B) 15-20% C) 5-10% D) None of these
A voltage _____ is used to provide different voltages between certain points in a circuit.
A. doubler B. multiplier C. scalar D. divider