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An inflatable structure used by a traveling circus has the shape of a half-circular cylinder with closed ends (see figure). The fabric and plastic structure is inflated by a small blower and has a radius of 40 ft when fully inflated. A longitudinal seam runs the entire length of the "ridge" of the structure.
If the longitudinal seam along the ridge tears open when it is subjected to a tensile load of 540 pounds per inch of seam, what is the factor of safety n against tearing when the internal pressure is 0.5 psi and the structure is fully inflated?
an accident at a nuclear power plant causes the main valves to close and stop the main water flow that cools the
A 10 kW electric heater is used to heat 2 kg of air contained in an insulated rigid tank from 400 kPa and 50 °C to 200 °C. The ambient air temperature and pressure is 20 °C and 100 kPa, respectively.
Would the same costs be justified if 10 lives were saved? How much is a life worth? Do the earning capabilities of the people affected make a difference to this judgment?
liquid octane c8h18 at 25ordmc 1.0 atm enters a well-insulated reactor and reacts with air entering at the same
Air contained in a rigid, insulated tank fitted with a paddle wheel, initially at 4 bar, 40oC and volume of 0.2 m^3, is stirred until its temperature is 500 K. Assuming the ideal gas model for the air, determine the amount of entropy produced, in kJ/..
Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 300C. At the exit the temperature is 1500C and mass flow rate is 2 kg/s. The pressure in the mixing c..
We're asked to determine the deflection of a beam location for a 2000N load. However the force is directed up the corner NOT centroid.
A motor gives gear A an angular acceleration of aA = (2 + 0.006 u2) rad> s2, where u is in radians. If this gear is initially turning at vA = 15 rad> s, determine the angular velocity of gear B after A undergoes an angular displacement of 10 rev.
problem 1a plane stress element is subjected to stress componentssigmax 50 mpa sigmay -10 mpa and tauxy 40 mpa.1
the compression stages in the axial compressor of the industrial gas turbine are close coupled making intercooling very
How can be determined the dynamic parameters of a second order system, wiht an Inertia (M), a dampening coeficient ( C ) and a Stiffness constant ( K).
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine 10MPa, 480 celcius, and the condenser pressure is 6kPa. The turbine and pump have isentropic efficiencies of 80 and 70% respectively.
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