Thermodynamics I MEC 320 / P a g e | 1
Density: = (3 ).
Specific weight = (3 ), = .
Specific Gravity: =
Definition of pressure: = (2 ) () .
Hydrostatic pressure at depth h: ph = patm + h.
Rule: p2 =
A river is flowing at a specified velocity, flow rate, and elevation. The total mechanical
energy of the river water per unit mass, and the power generation potential of the entire
river are to be determined.
Assumptions 1 The elevation given is
There is no truth to his claim. It violates the second law of thermodynamics.
During an analysis, a relation with inconsistent units is obtained. A correction is to be
found, and the probable cause of the error is to be determ