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A door 1 m wide and 1.5 m high is located in a plane vertical wall of a water tank. The door is hinged along the upper edge, which is 1 m below the water surface. Atmospheric pressure acts on the outer surface of the door and at the water surface. Determine the magnitude and line of action of the total resultant force from all fluids acting on the door. Place the origin of your coordinate system 1 m below the free surface.
Two kilograms of air within a piston-cylinder assembly execute a carnot power cycle with maximum and minimum temperatures of 750k and 300k, respectively.
steam flows through an expansion valve. conditions at the inlet are p1700 kpa and x10.96. the exit pressure p2 is 350
The rack structure will be built 2 ft above floor level, and the clearance between the rack structure and the ceiling of the building must be at least 18 in. Determine the dimensions (height, length, and width) of the rack structure.
do you think the objects created in the following representation schema are always valid? justify your answers with
refrigerant-134a enters the evaporator coils placed at the back of the freezer section of a household refrigerator at
Also determine the axial force and deformation of the diameter due to temperature rise. Let E = 120 GPa and Co-efficient of linear thermal expansion = 0.0000168 per °C.
a small radiant heater has a metal strips 6 mm wide with a total length of 3 m. the surface emissivity of the strips is
a two-stage cascade refrigeration system is to provide cooling at -40oc while operating the high-temperature condenser
solar energy reaching the earth is about 1350 wm2 outside the earths atmosphere and 950 wm2 on earths surface normal to
a steel plate is to be attached to a support with three bolts. the plate is 50 mm wide and 11.2 mm thick and the yield
two tanks are connected by a valve and line as shown below. the volumes are both 1 m3. tank anbspcontains r-134a at
methane at 77 f 1 atm enters an insulated reactor operating at steady state and burns with the theoretical amount of
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