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Use the plane stress transformation equations to find the normal stress and the magnitude of the shear stress on plane A-A for the stress acting at a point in a machine component shown below section A-A angle 35, stress x = 115 Mpas, stress y=80 Mpas (tensile), strain xy=55 Mpas
Estimate the energy that must have been supplied to cause the specimen to reach failure.
saturated water vapor at 300 degrees f enters a compressor operating at steady state with a mass flow rate of 5 lbs and
Treating the problem as two-dimensional, determine the equivalent force-couple system at the car center of mass G and locate the position x of the point on the car centerline through which the resultant passes. Neglect all forces not shown.
refrigerant 134a is the working fluid in an organic rankine cycle. saturated vapor at 60degc enters the turbine and the
a car radiator has an effective heat transfer area of ??15 m2. cooling water temperature is 85 c in and the 60 c out of
nitrogen gas is compressed from an initial state of 100kpa and 17c to a final state of 600 kpa and 57c. determine the
A total amount of $18,000 is available for investment. The five investment options are available with the following breakup.
The tensile strengths of brazed joints between two pieces of steel are often con- siderably higher than the tensile strength of the braze material itself. Furthermore, the strengths of thin joints are higher than those of thick joints. Explain.
A throttle process is an irreversible process. Assume an air flow at 1000 kPa, 400 K runs through a valve out to ambient 100 kPa. Find the reversible work and irreversibility assuming an ambient temperature of 25°C. Please show and explain in detail.
consider an isentropic expansion process in a piston cylinder device where air is expanded from 1mpa and 800 k to 0.1
Explain why the radiation leaving an enclosure (e.g. an oven kept at temperature T) through a small hole is a very good approximation for blackbody radiosity at temperature T.
A hemispherical dome is filled with water. The dome arrangement weighs 28kN and is fastened to the floor by bolts equally spaced
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