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The static pressure to stagnation pressure ratio at a point in a gas flow field is measured with a Pitot-static probe as being equal to 0.6. The stagnation temperature of the gas is 20 °C. Determine the flow speed in m/s and the Mach number if the gas is air. What error would be associated with assuming that the flow is incompressible?
an aluminium bottle weighs 10 kgs when empty and has an internal volume of 20 liters. it is filled with 5 kgs of
a 10-pitch 20-degree full-depth involute gearset with qv10 and a face width of 1.25 inches is being proposed to provide
A slender rod is at rest in vertical position, with length of 1.5m. Then a force of 50 N. is applied at the bottom tip. Determine the initial angular acceleration of the rod and the acceleration of the points A and B
water flows upward through a variable area pipe with a constant flowrate q dz is the diameter of the variable area pipe
a man climbing a staircase of height 10m carries a brief case weighing 100n he placed a briefcase on each step before
Propane at 8 bars and 80oC is contained in a closed, rigid vessel with a volume of 10 m3. Its temperature drops due to heat transfer to the surroundings. Determine (a) the temperature at which condensation first occurs and (b) the fraction of the tot..
Determine the internal energy change as saturated liquid steam at 60?F goes to a two phase mixture of quality 0.40 at 60?F. Provide answers in SI units. Determine the final fluid phase and the enthalpy change.
The crab winch shown in Figure has a law of the form E 0.01 W 7.5. Determine (a) its velocity ratio, (b) its mechanical advantage and efficiency when raising a load of 50 kg, (c) the limiting values of its mechanical advantage and efficiency.
Consider a state of plane stress with principal stresses of 14MPa and -6MPa. The normal stress in the x-direction is 12MPa. Find the remaining stress components in the x-y coordinate system. Draw a complete 2D stress element in the x-y coordinate sys..
Compute the first energy level (in eV) for a particle trapped in a 0.1 nm region. Assume the mass of the particle is equal to 0.511 MeV/c^2
A beam with a rectangular cross section has dimensions, as defined in Fig. 8.13, of b = 40and t = 10 mm. The beam is made of 7475-T7351 aluminum and is subjected to a bendingmoment of M = 900 N·m.
Describe in detail - using hand drawn imagery and text, describe the information required to be detailed in a site plan. analysis describe the process to assess a buildings exposure to wind loads and what forms of bracing are used to counteract thes..
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