What is the rate of entropy generation for mass flow rate
Steam at 1 MPa with a quality of 0.8 passes through a throttling device that causes the pressure to rapidly drop to 200 kPa. If the mass flow rate is 0.4 kg/s, what is the rate of entropy generation?
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Consider a block (initially at rest) of mass 5 kg on a table top. Assume that the surface is frictionless. Let a pushing force of 50 N directed at an angle of 30o below the horizontal act on the block. A) Find the acceleration of the block.
Copper has a melting point of 1085 oC. Consider molten copper is cooled from 1200oC. Is homogeneous nucleation possible at 1085oC? Give reasons.
A 2.80-m length of wire is held in an east-west direction and moves horizontally to the north with a speed of 0.250 m/s. The Earth's magnetic field in this region is of magnitude 50.0 µT and is directed northward and 53.0° below the hori
You have been hired to develop a package transfer slide for a global company. The slide has length L. The slide is to be able to handle uniform boxes of mass m, height H.
What weight of iron must be tied to one end of the log to keep it floating in an upright position in seawater with 18 ft of the log submerged.
Calculate the quality of the vapor-liquid mixture in the tank when half of the total mass has been removed from the tank. Determine the amount of heat transfer required when half of the total mass has been removed from the tank.
The light of incidents under the angle 60° from vacuum onto transparent medium. The anglr of refraction is 45°. what is the velocity of the light in this medium.
Determine the exit velocity of the stream (ft/s) and the mass flow rate (lbm/s) of the steam at the nozzle entrance if the nozzle exit area is 0.01ft^2.
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