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Consider an ideal gas contained in a cylinder that can do work by pushing against a piston, which has a surface area of 30 cm2.
The piston has a constant force of 20 lbs pushing down on it and the cylinder is filled with gas at 25ºC. The gas inside undergoes a chemical reaction that adds 1000 kJ to the system's internal energy. This causes an expansion, which happens adiabatically and isothermally. How much does the volume increase (in cubic centimeters)?
an axial flow compressor stage has blade rootmean and tip velocities of 150200 and 250 ms. the stage is to be designed
a refrigeration system has a coefficient of performance of 5. the heat rejection is an isothermal process at 37c. what
Steam enters the turbine of a simple vapor power plant with a pressure of 160 bar and a temp of 560 C and expands adiabatically to 0.08 bar
Using the ideal gas model with specific heat ratio, k = 1.4, and ignoring potential energy effects, determine (a) the exit velocity, in m/s, and (b) the rate of heat transfer, in kJ per kg of gas flowing through the nozzle.
determine the minimum mass in kg of a 24 in long tension member that must support a load of 1000 lbs manufactured from
blocks a and b weigh 25 lb and 10 lb respectively and they are both at a height 6 ft above the ground when the system
liquid chromatography lc flow can be model as a packed bed and is described by the ergun equation. lc systems are often
h2o at 1000of 140 psi enters a turbine and expands to 5 psi. the mass flow rate is 4 lbms and the power developed is
a 200 mm diameter sight window on the wall of a furnace is losing heat at a rate of 1500 w. if the furnace is at 1200
the beam ab is pin supported at a and supported by a cable BC. determine the resultant internal loadings acting on the cross section at points d and e.
the density of air is to be determined by measuring its pressure and temperature for insertion in the ideal gas
the local atmospheric pressure is 99.0kpa. a gage on an oxygen tank reads a pressure of 300 kpa gage. what is the
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