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Saturated R- 134a vapor enters a compressor at 68F. At compressor exit, the specific entropy is the same as that at the inlet, and the pressure is 80 psia. Determine the R- 134a exit temperature and the change in the enthalpy of R- 134a.
Water flows through a 1 [cm] diameter circular pipe at a flow rate of 127 [cm3/s]. Determine the entrance length.
an axial flow compressor stage has blade rootmean and tip velocities of 150200 and 250 ms. the stage is to be designed
a 0.5-in.-diameter steel e 30000 ksi bolt 1 is placed in a copper tube 2 as shown in fig. p5.47. the copper e 16000
1. write out the differences betweena close system and open systemgive one example and state what type of system it isb
an engineering component is made of 7075-t6 aluminum that has 469 mpa in yield strength. if this component is subjected
two barges each with a displacement mass of 550 mg are loosely moored in calm water. a stunt driver starts his 1650-kg
consider a vertical plate of dimension 0.25 m x 0.50 m that is at ts100 c in a quiescent environment at t infinity 20
An ideal gas is confined to one side of a rigid, insulated container divided into equal volumes by a partition. The other side is initially evacuated. The following data are known for initial state of the gas: p1 = 300 kPa, T1 = 380K and V1 = 0.025 m..
a gage pressure of 400 kpa acting on a 4-cm diameter piston is resisted by an 800-nm spring. how much is the spring
to understand the physics of the o-ring we may need to start formulating the problem in a static equilibrium condition.
A steam power plant with a power output of 160 MW consumes coal at a rate of 62 metric tons per hour. If the heating value of the coal is 29900 kJ/kg, determine the overall efficiency of the plant.
a 580 n uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal 6.00-m-long uniform 90-n
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