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MEEN%20315%20-%20HW%2002

MEEN%20315%20-%20HW%2002 - flow rate of 200 m 3/s at a...

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MEEN 315-501 Fall 2010 Problem Set 02 Due: Monday September 13, 2010, 13:50 1.) Express the following temperatures in centigrade, Kelvin and Rankine a.) 100°F b.) 56.5°F c.) -17.78°F d.) -273.15°F 2.) A natural gas pipeline’s pressure is measured by a manometer with one end open to the atmosphere. If the local atmospheric pressure is 14.2 psia, determine the pressure in the pipeline.

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3.) A piston-cylinder assembly with a cross sectional area of 0.01 m 2 has a piston mass of 100 kg. The piston is resting on a set of stops as shown in the figure below. If the outside pressure is atmospheric pressure (100 kPa), determine the water pressure required to lift the piston. 4.) Explain in your own words how to solve a manometer problem. Explain in simple to understand steps (like a recipe - BAM!) 5.) A river is flowing toward a lake at an average velocity of 5 m/s with a volume

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Unformatted text preview: flow rate of 200 m 3 /s at a location 100 m above the lake surface. Determine a.) The total mechanical energy of the river water per unit mass b.) The power generation potential of the entire river at that location Consider the water density to be 1000 kg/m 3 6.) A model aircraft’s IC engine produces 20 W of power. Determine how much power this is in: a.) (ft-lbf)/s b.) Btu/s c.) hp 7.) Determine the power required to accelerate a 1000-kg car from rest to a velocity of 80 km/h in 20 s on a level road. 8.) A hydraulic turbine-generator is to generate electricity from the water of a large reservoir. The power generation potential is to be determined if the mass flow rate of water is measured to be 1500 kg/s. 9.) Complete the following crossword puzzle using vocabulary from your book (or an older edition of the same book) CLUES ON NEXT PAGE!...
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