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A mixing chamber receives 3kg/min ammonia as saturated liquid at -20 C from one line and ammonia at 40 C, 300 kPa from another line through a valve. THe chamber also receives 325 kJ/min energy as heat transferred from a 40 C reservoir. This should produce saturated ammonia vapor at -20 C in the exit line. What is the mass flow rate in the second line and what is the total entropy generation in the process?
the condenser of a refrigeration cycle is basically a heat exchanger in which a refrigerant is condensed by rejecting
Calculate the power required to overcome the skin friction drag on the keel of a sailing dingy moving through water at 2m/s. The keel projects 0.8m into the water and it is 0.4m wide
Fluid/Dam Pressure, Compare the pressure force exerted on the face of two dams that hold a fresh water of 1000 Kg/m^3 density and a salty water of 1030 Kg/m^3
a rigid container with a volume of 0.17m3 is initially filled with steam at 180kpa 340c. it is colled to 90c. a at what
air enters an adiabatic diffuser at 320 k and 100 kpa with a velocity of 642.9 ms. at the diffuser exit the temperature
air at 80 kpa 300 k and 250 ms enters a diffuser at a rate of 2.5 kgs and leaves at 315 k. the exit area of the
the kinchin-pease model is an approximation to the total number of displaced atoms from anbspprimary knock on atom pka
Consider a cylindrical titanium wire 3.0 mm in diameter and 2.5 x 104 mm long. Calculate its elongation when a load of 500N is applied, assuming that the deformation is totally elastic.
A block of metal has a 90 notch cut from its lower surface. The notched part rests on a circular cylinder of diameter 2.0 cm, as shown in Fig. 4.15. If the lower surface of the par is 1.3 cm above the base plane, how deep is the notch?
a train which is traveling at 80 mihr applies its brakes as it reaches point a and slows down with a constant
vector a has components ax 1.24 ay 2.21 vector b has components bx 4.06 b-y -3.66. find the counterclockwise angle
1. a solid cube of copper with each side 1.0 ft is converted into metallic powders of spherical shape by water
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