Determine temperature and pressure at the nozzle inlet
Helium gas enters a nozzle whose isentropic efficiency is 88 percent with a low velocity, and it exits at 15.3 psia, 160F, and 840 ft/s. Determine the temperature and pressure at the nozzle inlet.
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A 3-in. diameter rod of copper is to be reduced to a 2-in. diameter rod by being pushed through an opening. The modulus of elasticity for the copper is 17 x 106 psi and the yield strength is 40,000 psi.
If the coefficient of friction between the axe and grindstone is 0.4, find the normal force with which the axe was pressed aginst the grindstone.
The compression and power stroke efficiencies are 90%. Using the provided engine data, determine the charge mass (grams). The cut-off ratio.
a. Doubling both charges changes the potential energy for a pair of a pint charges by a factor of? b. Tripling the separation between charges changes the potential energy of a pair of a point charges by a factor of?
Taking a random sample of 50 claims please provide a detailed hypothesis testing for this data including the standard deviation to accept or reject the hypothesis.
A magnetic field Hz is now superimposed. Set up the equation of motion in the xy plane and solve for the radius of the curvature and the trajectory when the magnetic field is small. (Hint: the velocity component in the x-direction is virtually unc
The isentropic efficiency of the compressor is 80%, mass flow rate is 2247kg/hr, and I found T2s=533K and T2a=591K. How much power input does this compressor require?
When an insulator with dielectric constant 5.0 is inserted between the plates, what happens to the electric field strength if the surface charge density does not change?
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