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Ten pounds-mass of R-22 is at an initial volume of 4.059 ft3 and pressure of 200 psia. It is compressed isobarically until its volume is two-thirds of its initial volume. The piston is then held in place as the refrigerant cools until its temperature is 70 F. Determine the heat transfer [Btu] and work transfer [Btu] for the two-step process. Also show the process on P-v state diagram.
a football player releases a ball with an initial velocity 80 fts at an angle 35 degrees above the horizontal.
a fireworks shell is launched vertically from point a with speed sufficient to reach a maximum altitude of 500 ft. a
a driver of a car is repeatedy driving around a roundabout with a diameter of 100feet . the driver is traveling around
the pressure in the vein is known as 1850 Pa. what force must be applied to the plunger, so that 1.5 x 10^-6 m^3 of solution can be injected in 5.0 s?
Important information about Compressive Stress, A circular cross sectional bar with a diameter of 3.25 inches is loaded with a uniform axial compressive load of 22,750 pounds. What is the compressive stress along a cross section of the bar?
the magnitude of the velocity vector of the car is v80 fts. if the vector v forms an angle theta 0.09 rad with the
can the flow field given by v 1x2 i - 2 x 1y j represents a steady and incompressible two dimensional flow?a if yes
to reduce heat losses from a horizontal isothermal cylinder of radius ri 20 mm which is located in a large room in
question 1 entropya in a coal fired thermal power station indicate where the exergy contained in the coal is destroyed.
two carnot engines operate in series such that the heat rejected from one is the heat input to the other. the heat
an electrical window air conditioner with a cooling capacity of of 8000 kjhr draws 6.00 amps of electrical current at
two barges each with a displacement mass of 550 mg are loosely moored in calm water. a stunt driver starts his 1510-kg
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