Engineering, 26.07.2019 17:10 darthshot4
Ahydroelectric facility has an upstream reservoir elevation of 110 m and a downstream river elevation of 85 m. the river can be taken as having a velocity of 1 m/s. the head loss, hloss, through the tunnel leading to and from the turbine is given by hoss0.082602, where hoss is in meters and q is the volumetric flow rate in rnys. the efficiency of the turbine is 80%. determine q through the turbine that is required to generate 1 mw of power.
Answers: 1
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
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Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
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Engineering, 04.07.2019 18:20
Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?
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Ahydroelectric facility has an upstream reservoir elevation of 110 m and a downstream river elevatio...
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