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A heat pump units operates between two heat reservoirs with temperatures of 270 and 330 K. the heat pump its self has a temperature of 255 K during heat addition from the 270 K reservoir and a temperature of 350 K during heat rejection to the 330 K reservoir. The COP of the actual unit is 3.40 and the heat transfer from the 270 K reservoir is 2000 kJ/min
Determine the irreversibility, in kJ/min, for (1) the heat pump unit, (2) the low heat transfer process, and (3) the high temperature heat transfer process and (4) find the effectiveness. (5) Which process has the largest irreversibility?
1 determine for each case whether the substance is a compressed liquid superheated vapor or saturated mixture using the
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The tank air pressure above the water level is 300kPa(absolute) while the atmospheric pressure is 100kPA. Neglecting frictional effects, determine the initial discharge rate of water from the tank.(Density of water=1000kg/m^3)
Design a process for the manufacture of 10^6 kg per year of mayonnaise. the shelf life of the product is expected to be 1 year. You need to complete the following in your design.
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Determine (a) the exit temperature, (b) the exit relative humidity of the air, (c) the exit velocity.
find the moment of the 12-n force about the origin. the force is parallel to the x-axis and 5cm in the y-direction and
write a program that will find the intersection point of the following functions in the interval 0.1ltxlt1.0y1x x2
a vehicle traveling at 30 mph enters a 600 ft radius curve and begins to increase its speed at a rate of 10 fts2. find
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