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A piston-cylinder device contains 4.53 kg of refrigerant-134a at 1200 kPa and 60 °C. The refrigerant is now cooled at constant pressure until it exists as a liquid at 10 °C. Determine the amount of heat loss and show the process on a T-v diagram with respect to saturation lines.
a 0.5-m3 rigid tank containing hydrogen at 20oc and 400 kpa is connected by a valve to another 0.5-m3rigid tank that
a rigid container is filled with steam at 700 kpa and 200oc. at what temperature will the steam start to condense when
hockey player a carries the puck on his stick and moves in the direction shown with a speed va4 ms. in passing the puck
a belt pulley is fastened to a 75 mm shaft running at 360 rpm by means of a key 18 mm wide and 125 mm long. the
suppose because of random variations introduced during fabrication the links of a chain have a random strength whereby
four forces are applied to a W200x35.9 rolled beam as shown. determine the principal stresses and maximum shearing stress at point a.
the gases in the cylinder of an internal combustion engine have a specific internal energy of 800 kjkg and a specific
a feed rate of 200gpm of a hydrocarbon mixture at 70c is being pumped from tank at 1 atm abs pressure to a distillation
given that the instantaneous voltage across a capacitor isvc401-e-tcrvoltswhen being chargerd by a 40 volt dc supply
molecules that are of density row180 kgm3 and spe- cific heat cp 3000 jkg k have an initial relaxed length of l2nm.
refrigerant 134a enters the capillary tube of a refrigerator as a saturated liquid at 0.8 mpa and is throttled to a
how would you use a pulley system with one rope to pull at a single item at two points simultaneously?the free ropes of
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