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Determine the horizontal and vertical force components acting on the gate and their result if the gate is made of concrete; R = 3 m and D = 4.5 m.
Determine the cycle thermal efficiency for the internally reversible cycle. Determine the cycle thermal efficiency for the cycle when the compressor and turbine isentropic efficiency are 0.9.
For the same electrical output what is the percent difference in the pollution resulting from the combustion? Then, Calculate the optimum heater pressures.
Determine the thermal efficiency and the required steam flow rate [kg/s] for a reheat-regenerative steam power plant which is to produce 200 MW of electricity.
The Cartesian velocity components are u=Vcosine(alpha) and Vsin(alpha). Generate an expression for the stream function for this flow.
If the exit velocity needs to be 27 m/s and the nozzle tip has a diameter of 0.48 mm, what is the volumetric flow rate for the supply solution? Assume no frictional effects.
How does this compare to the tabulated value of 5.164 ft3/lbm? What does the reduced pressure and temperature indicate about the suitability of treating this steam as a ideal gas?
Heat is added to the water in the cylinder at constant pressure until the cylinder contains saturated water vapor. What is the volume change from the initial condition to the final condition, m3?
The temperature at the center plane of the material is 62oC, and the heat flow through the material is 1 kW. Obtain an expression for the thermal conductivity of the material as a function of temper
Compare the two alternatives, making reasonable and justifiable assumptions about the various processes involved; you must use quantitative analysis for the comparison and make a recommendation as t
Compute the volume of water in this chamber. Compute the number of water molecules in this chamber assuming a temperature of 20°C.
Determine the required diameter for the uniaxial tensile loaded two-force component, if the failure criterion is yielding. Find the minimum diameter that provides a reliability of 80% (0.80).
In a constant-pressure process, steam at a 100 psia is presented to the piston of a pump and causes it to travel 3 in. If the cross-sectional area of the piston is 5 in^2, how much work was done by
However, the material contains cracks through the wall thickness with a crack half?length less than 3 mm. Find the safety factor when considering crack propagation. Assume that the geometric factor
A projectile is fired with an initial speed of 63.3m/sat an angle of 43.7^\circ above the horizontal on a long flat firing range. Determine the maximum height reached by the projectile.
A city water main to the water tower and is 794 feet above sea level, what is the static water pressure at the fixture outlet in pounds per square inch (psi)?
What would be the total pressure loss in the entire length of the piping if the maximum loss per foot is achieved over the entire length?
The acceleration of point A is defined by the relation a= -1.8 sin kt, where a and t are expressed in m/s^2 and seconds, respectively, and k=3 rad/s.
How does this compare to the tabulated value of 5.164 ft3/lbm? What does the reduced pressure and temperature indicate about the suitability of treating this steam as an ideal gas?
What is the volume change when 2 kg of H2O at 6.8 MPa and 93 C expands to 1.6 bar and 250 C? K.) 10 kg of wet steam at 0.75 MPa has an enthalpy of 22,000 kJ. Find the quality of the wet steam.
Assuming that R-134a is an ideal gas, what would the specific volume of R-134a at 40 deg C and 0.06 MPa(absolute)? How does this compare to the tabulated value of 0.421m3/kg?
100 cubic feet of an ideal gas goes from a pressure of 20 psig and temperature of 80 deg F to a pressure of 100psig and a temperature of 100oF. What is the volume of the air at the final conditions,
What is the enthalpy change of the fluid from the initial state to the final state, kJ/kg? What is the volume change from the initial condition to the final condition, m3?
What is the average specific volume of the fluid in the tank, ft3/lbm? What is the enthalpy (btu/lbm) of the fluid in the tank? What is the temperature (deg F) of the fluid in the tank?
If P = 400 and the coefficient of kinetic friction between the 50- crate and the inclined plane is = 0.25, determine the velocity of the crate after it travels 6 m up the plane.