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Calculate the mass concentrations of gaseous butane and gaseous propane for 1.5 ppm in air at standard atmospheric pressure in Denver, Colorado (altitude = 5000 ft), and a temperature of 25?C. Express in units of μg/m3.
Assume a diffusion coefficient of 1 × 10-8 m2/s, that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained.
the 150-lb fireman is holding a hose which has a nozzle diameter of 1 in and hose diameter of 2 in. if the velocity of
The homogeneous gate with mass M , length L, width, b, and thickness, t, is used to regulate the height, H of the water in a reservoir. Determine an expression for the mass of the gate as a function of the known variables. What is the angle of the ga..
Use the finite-difference method of solution to obtain qf when the convection and radiation coefficients are based on local, rather than average, tem- peratures for the fin. How does your result compare with the analytical solution of part (a)?
determine cycle efficiency of steam power plant . boiler pressure 80bar condenser 0.1bar turbine inlet temperature
Refrigerant 22 enters an insulated compressor operating at steady state as saturated vapor at -16oC with a mass flow rate of 1.5 kg/s. Refrigerant exits at 7 bar, 70oC. Changes in KE and PE from inlet to exit can be ignored.
Consider nodal configuration 2 of Table 4.2. Derive the finite-difference equations under steady-state conditions for the following situations.
The second part of the lab is the design of a low-level graphics device driver, which allows for drawing lines, drawing dots, displaying text, and erasing portions of the screen
Assuming the average rate of heat dissipation from people in an exercise room is 525 W determine the rate of heat gain of the exercise room from people and the equipment at peak load conditions.
An electric heater in the form of a horizontal disk of 57 mm diameter is used to heat the bottom of a tank filled with engine oil at a temperature of 5 degrees Celsius. Calculate the power required to maintain the heater surface at 70 degrees C.
Consider an incompressible 2D velocity field where u =-2xy and y = x^2-y^2 in Cartesian coordinates. Is it a valid 2D flow (satisfy the continuity equation)?
sketch the variation of shear stress vs shear strainnot to scale along the radius in a composite bar of total radius r
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