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One would like to find preheat 2 tons / h of a solution with a specific heat capacity of 3.35 kJ / kg * K from 15 C to 70 C using hot water. The water temperature drops from 95 C to 35 C. Heat thru coefficient U = 700 W/m2 * K. Calculate the heat surface and consider the heat exchanger should be with the flow or countercurrent.
air enters a gas turbine with two stages of compression and two stages of expansion at 100 kpa and 17 degrees celcius.
calculate the room temperature forging force for a solid cylindrical workpiece made of 5052- o aluminimum that is 3.5in
one kilogram of water contained in a piston-cylinder assembly initially at 160oc 150 kpa undergoes an isothermal
determine the density and specific volume of carbon monoxide at a pressure 100 kpa and a temperature of 300 k. for co
two refrigerators are arranged in series. one of them receives 300 kjcycle from a reservoir at 300 k. the heat
the crate moves up the incline a distance d 5 ft due to the action of the constant force p 100 lb. the weight of the
water flows in a circular pipe. at one section the diameter is 0.3 m the static pressure is 260 kpa gage the velocity
would a flagpole made of steel or aluminum freeze ones tongue to it faster? why? thermal conductivity 2. the outer
the heat flux that is applied to the left face of a plane wall is q20 wm2. the wall is of thickness l10 mm and of
Helium enters subsonically and flows isentropically through the converging-diverging duct. Compare the values of Ma, T/T0, and P/P0 for helium with those for air at several locations in the duct. Use 0.163 ≤ Ma ≤ 3.221.
1 determine for each case whether the substance is a compressed liquid superheated vapor or saturated mixture using the
a man pushes on a 60-lb crate with a force f.the force is always directed down at a 30 degrees from the horizontal and
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