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Using the appropriate table, determine the indicated property. In each case, locate the state by hand on sketches of the T-y and T-s diagrams.
(a) water at p 5 0.20 bar, s 5 4.3703 kJ/kg ? K. Find h, in kJ/kg.
(b) water at p 5 10 bar, u 5 3124.4 kJ/kg. Find s, in kJ/kg ? K.
(c) Refrigerant 134a at T 5 2288C, x 5 0.8. Find s, in kJ/kg ? K.
(d) ammonia at T 5 208C, s 5 5.0849 kJ/kg ? K. Find u, in kJ/kg.
a close rigid tanks with a volume of 2 m3 contain hydrogen gas initially at 320 k and 180 kpa. heat transfer from a
The efficiency of a refrigerator is given by the coefficient of performance (COP). Write two different expressions for the COP of a refrigeration cycle; one in terms of heat transfer and work input, and the other in terms of heat transfers only.
If the maximum allowable stress in the cortical shell is 15 MPa, determine what interference fit between the stem and the cortical shell should be given?
Thin walled box beam with end load at an angle. A box beam made from an extruded aluminium ally having 5 414 mm wall thickness is loaded by an inclined force P=100 N
consider an ideal simple gas turbine cycle. for a net power output of 10000 horse power an inlet air temperature of
A reaction turbine is supplied with steam at 60 bars and 600 degree Celsius. The condenser pressure is 0.07 bar. If reheat factor can be assumed to be 1.04 and stage efficiency is constant throughout at 80% calculate the steam flow required for a dia..
heavy crude oil sg0.925 and nu1.0x10-4 m2s is pumped through a pipeline laid on flat ground. the line is made from
determine the minimum initial velocity at which the ball must be kicked in order for it to just cross over the 3m high
You have a liquid-phase mixture of 0.250 mol fraction ethanol and 0.750 mol fraction water at 760.0 mmHg. You'd like to calculate the bubble-point temperature of the mixture, and the composition of the vapor formed at the bubble-point temperature. As..
Consider an electron in the first Bohr orbit of a hydrogen atom. What is the radius (in meters) of this orbit? What is the total energy (in eV) of the electron in this orbit?
draw the free-body diagram and write the corresponding elemental equation for a spring element with the following
there are two reservoirs- one containing blood another containing plasma. reservoir 1 containing blood is at a higher
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