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Helium gas is heated in a constant volume process from -200 to 500°F. Obtain specific heat values for helium and assuming ideal gas behavior, determine:
a. The ratio of the final to initial pressure.b. The change in specific internal energy.c. The change in specific enthalpy.
a rigid well insulated tank contains a two-phase mixture consisting of 0.07lb of saturated liquid water and 0.07lb of
Coal is discharged from the tailgate of a dump truck with an initial velocity vA = 2 m/s A 50°. Determine the radius of curvature of the trajectory described by the coal.
a. motorcycle is used to stunt show to go over a valley .if the initial speed at a is u ms then evaluate a ?the minimum
The rigid L-shaped member ABC is supported by a ball and socket at A and by three cables. Determine the tension in each cable and the reaction at A caused by the 242 kg load applied at G.
a 1kg mass connected to a horizontal spring of stiffness 1031 nm has a dry-sliding friction force of 2 n. the mass is
a counterflowing heat exchanger cools air at 600 k 400 kpa to 320 k using a supply of water at 20degc 200 kpa. the
a 10-pitch 20-degree full-depth involute gearset with qv10 and a face width of 1.25 inches is being proposed to provide
your company owns a parcel of land in a currently undeveloped part of the country. the neighboring city grows eastward
an insulated cylinder is initially filled with saturated r-134a vapor at a specified pressure. thenbsprefrigerant
Determine the tensions developed in wires , and and the angle required for equilibrium of the 30-lb cylinder E and the 60-lb cylinder F.
when the motorcyclist is at a he increases his speed along the vertical circular path at the rate of v v dot 0.04s
an adiabatic air compressor is to be powered by an adiabatic steam turbine. steam enters the turbine at 12.5 mpa and
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