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A piston cyfinder system containing 0. 5kg of air is compressed from a volume of 0. 35 m3 to a volume of 0. 1 m3. If the initial pressure was 150 kPa and the process can be modeled as a polytropic process with n = 1. 4, determine the change in temeprature, the change in internal energy, the work, and heat transfer. Assume air behaves as an ideal gas with constant specific heats of cp = 1. 020kJ/kg-K and cv = 0. 742 kJ/kg-K.
one leg of a mercury u-tube manometer is connected to a pipe containing water under a gage pressure of 15 lbfin2. the
an experimental fireworks shell is launched vertically from point a with an initial velocity of magnitude v0 80 ftsec.
Determine the ideal launch vehicle that can put this orbiter into the parking orbit. (hint: you do not have to consider the Sun in this problem. Only SOI of the Earth and the Moon)
Knowing that the pipe has inner and outer dimensions equal to 35 and 42 mm, respectively, detemine the normal and shearing stresses at point a and point b.
How many kilograms each of pearlite and the proeutectoid phase form? Schematically sketch and label the resulting microstructure.
Calculate the steady state excess electron and hole concentrations as a function of distance into the semiconductor.
a cyclic steam power plant is to be designed for a steam temperature at turbine inlet of 360 celsius and an exhaust
What will the ratio of the angle of twist be to that of the hollow shaft if the maximum shear stress in the material of 75 N / mm ^2 and what is the ratio of actual permissible shear stress?
Consider two-dimensional flow over the double-wedge airfoil shown. Find the lift and drag per meter span acting on the airfoil and sketch the flow pattern. Find the pressure acting on all surfaces.
a projectile is launched with a speed v0 27.0 ms from the floor of a 4.3-m-high tunnel as shown. determine the maximum
(1) I shte cooling process polytropic? If so, what is the value of n? (2) Find the final state pressure. (3) Compute the work done for this process considering the water as a closed system.
Beryllium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.568. If the radius of the Be atom is 0.1143 nm, (a) determine the unit cell volume, and (b) calculate the theoretical density of Be.
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