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Using the compressibility chart, determine the volume, in m3, occupied by 20 kg of hydrogen (H2) at 11.55 atm and -364 °F. 2.Determine the percent error in using the ideal gas model to determine the specific volume of water vapor at 4000 psi and 1000 °F. 3. 0.1 moles of an ideal gas contained in a piston-cylinder assembly undergoes the heat pump cycle shown below. The cycle operates counter-clockwise. Evaluate the coefficient of performance. Assume Cv for the gas is 3/2*R, where R is the ideal gas constant. Path 3->2 is isothermal and Path 4->3 is adiabatic. The pressure and volumes associated with states 1, 2, 3, and 4 are State 1: P = 0.39 Bar, V = 1.0 L State 2: P = 9.00 Bar, V = 1.0 L State 3: P = 2.00 Bar, V = 4.5 L State 4: P = 0.39 Bar, V = 12.0 L.
determine the average applied force exerted on to the pile hammer. Note because the force is applied over a short time period it can be considered as an impulse force.
a power station output is 500 megawatts. during a test it is found that this represents 28 of the energy put into the
For the process where q= 62.5 kj/kg and wkcs= 60 kj/kg determine the energy change if the system mass is 2 kg.
locate the initial and final states on a sketch of the T-v digram. determine the mass of vapor present at the initial and final state, each in kg.
saturated water vapor is enclosed in a piston cylinder arrangement with a volume v initial 5 liters at a temperature
determine the time it takes for the ball to start rolling without slip and its speed when it does so. In addition, determine the distance it travels before it starts rolling without slip. Assume (mu)K = 0.10.
the y-component of the force f which a person exerts on the handle of the box wrench is known to be 320newton. determine the x-component and the magnitude of force.
The heat transfer coefficient in the oven is 25W/m^2K. Calculate rate of heat transfer per m^2 area.
a spherical balloon contains 2 kg of water at 230 degrees c 400 kpa the specific volume is 0.5951 m3kg. the balloon
Determine Fourier Number, Compare two identical steel spheres, except the first has a two inch diameter while the second sphere has a four inch diameter. The larger sphere will have a Fourier number approximately
What are the percentages of the total heat absorption taking place in the economizer, boiler drum and the superheater, respectively? Assume cp of air and water as 1.005 kJ/kg K and 4.2 kJ/kg K, respectively.
a cylindrical bar of steel e 209 gpa or 30 times106 psi v 0.30 9.6 mm 0.3780 in. in diameter is to be deformed
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