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1) A vacuum of 31 kPa is measured in an airflow at sea level. Find the absolute pressure in:
(a) kPa
(b) mm Hg
(c) psi
(d) ft H2O
(e) in. Hg
2) Estimate the temperature in °C and °F at 33,000 ft, an elevation at which many commercial airplanes fly.
A ball is dropped inside an evacuated tube so that there is no aerodynamic drag acting on the ball. At one point it is at a height of 2.5 m and is dropping at a speed of 1.0 m/s. What will be the height of the ball when its speed is 5.0 m/s? Take g= ..
a two cylinder engine with cranks at right angles developes 75 kw at mean speed 400 revmin.the coefficient of speed
The Adair wind farm was commissioned in 2008 by MidAmerican Energy. The wind farm, located in Iowa on the border of Adair County and Cass County, is composed of 76 Siemens wind turbines each with a rated capacity of 2.3 MW. Each wind turbine has a ro..
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An insulated piston-cylinder assembly containing a fluid has a stirring device operated externally. The piston is frictionless, and the force holding it against the fluid is due to standard atmospheric pressure and a coil spring. The spring constant ..
An idealized reservoir contains an ideal gas at a pressure of 4410 psia and a temperature of 91degrees C. Under these conditions the volume of this gas in the reservoir is 10^9 ft^3. What would be the volume of this gas at standard temperature and co..
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