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Air is compressed in a piston-cylinder assembly from p1= 10lbf/in.2, T1 = 500oR to a final volume of V2 = 1 ft3 in a process described by pv1.25 = constant. The mass of air is 0.5lb. Assuming ideal gas behavior and neglecting kinetic and potential energy effects, determine the work and the heat transfer,each in Btu, using a)constant specific heats evaluated at 500oR and b) data from table 22-E compare the results.
design an outside storage facility for methane gas ch4. 110 kg is the maximum mass of methane to be stored at this
readeachquestioncarefully.remembertoexplainyoursolutionasyougosincedesignproblemscanbesolvedinanumberofways.itisacceptab
hot oil cp2.3 kjkg.c at a rate of 2.5 kgs enters an adiabatic exchanger at 180 c and leaves at 150 c. cooling water
Is there a good calculation model for the material flow through a combine harvester related to the harvesting speed?
compute the torsional shear stress in a hallow shaft with an outside diameter of 40 mm and an inside diameter of 30 mm
The acceleration of the car is defined by a=(2t^2+t)m/s^2. Find the position of the car at t = 3 seconds. The car starts from rest.
Note that the positive y direction is downward and counterclockwise torques are positive. find alpha the angular acceleration?
a heat engine whose thermal efficiency is 40 percent uses a hot reservoir at 700 k and a cold reservoir at 280 k. a
if the exit velocity needs to be 27 ms and the nozzle tip has a diameter of 0.48 mm what is the volumetric flow rate
A plane can fly 299 mph in still air. If it can fly 180 miles downwind in the same amount of time it can fly 119 miles upwind, find the velocity of the wind.
a 13.2-N force P is applied to the lever which controls the auger of a snowblower. Determine the moment of P about A when alpha is equal to 30 degrees.
1. a solid cube of copper with each side 1.0 ft is converted into metallic powders of spherical shape by water
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