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For each case, determine the specified property value and locate the state by hand on sketches of the p-y and T-y diagrams.
(a) For Refrigerant 134a at T 5 160°F, h 5 127.7 Btu/lb. Find y, in ft3/lb.
(b) For Refrigerant 134a at T 5 90°F, u 5 72.71 Btu/lb. Find h, in Btu/lb.
(c) For ammonia at T 5 160°F, p 5 60 lbf/in.2 Find u, in Btu/lb.
(d) For ammonia at T 5 0°F, p 5 35 lbf/in.2 Find u, in Btu/lb.
(e) For Refrigerant 22 at p 5 350 lbf/in.2, T 5 350°F. Find u, in Btu/lb.
a thermal reservoir at 1500 r transfers heat to 1lbm of air in a piston-cylinder device maintained at a constant
Determine the pressure differential for flow rate - If the volumetric flow rate of n-heptane is determined to be 12 gal/sec determine:
Due to global climate change scientist predict the earth’s atmospheric temperature will increase as much as 8°F in the next 100 years. Estimate the overall energy increase [kJ] in the atmosphere this temperature rise will cause. Consider the thicknes..
Assume elastic deformation and that Hooke's law holds. Derive an expression for the ratio of the axial strain to the axial stress, εa/σ a, in the gummite in terms of the Young's modulus, E, and Poisson's ratio,υ, of the gummite.
An adiabatic turbine has steam flowing steadily through it. The inlet conditions of the steam are P1=6 MPa, T1= 400C and v1=80 m/s, while the exit conditions are P2= 40kPa, .9 quality x=.9, and v0= 50 m/s. The mass flow rate of the steam is m= 20kg/s..
two kilograms of air within a piston-cylinder assembly execute an ideal carnot power cycle within maximum and minimum
1. The mechanical properties of cobalt may be improved by incorporating fine particles of tungsten carbide (WC). Given that the mod- uli of elasticity of these materials are, respec- tively, 200 GPa (30 x 106 psi) and 700 GPa
A 10 mm thick Teflon sheet is perfectly bonded to a large 9 mm thick type 316 stainless steel sheets. The interface is at 119?C and the outer surface of the steel sheet is at 120?C. Take K Teflon = 0.25W/m.K K 316 Steel = 13.4 W/m.K In steady state, ..
Consider a copper tube as a capped cylinder that cannot lengthen or shorten. If it were ?lled with water, what would be the circumferential strain in the wall when the water froze?
a cylinder of compacted scrap metal measuring 2 m in length and 0.5 in diameter suspended from a spring scale at a
can anyone think of a device that biomimic the kinematics of a dolphin to enhance human swimming? any slim ideas is
Specifies that just the data points be marked with a circle. Showing the general trend of safety as a function of dia, with the actual data points marked by a circle. Is that explanation of the plot command still a little opaque?
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