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Steam enters a nozzle at steady state at 20 bar and 280°C, with a velocity of 80 m/s. The exit pressure and temperature are 7 bar and 180°C. Mass flow rate is 1.5 kg/s. Neglecting heat transfer and potential energy. Sketch the process on a T-v diagram.
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
the ridigid cube in the sketcha 1.0m tall box with a relief vavle at the top is filled w air at 280k and 100kpa. the
a beam has a solid square cross section of 100mm and is simply supported by two supports 3m apart. calculate the dead
one kilogram of saturated liquid methane at 160 k is placed in an adiabatic piston-and-cylinder device and the piston
as a committed olympic weightlifter you bring alonf a barbell on your campaign trip. each end of the bar carries a mass
The velocity profile for a film of liquid flowing down a vertical wall is given by. Where L is the thickness of the film, u is the downward velocity, xis the distance perpendicular to the wall and are the liquid density and viscosity. Sketch the velo..
a refrigeration system using r-22 as the working fluid has condenser and evaporator pressures of 250 psi and 30 psi
initially an insulated rigid tank contains 28.5 kg of water at 23.4oc and 101 kpa. the tank also contains a 3.14 kg
Water is boiled at sea level (1 atm pressure) in a pan placed on top of a 2-kW electric burner that transfers 60% of the heat generated to the water. Determine the rate of evaporation of water in kg/s.
you are designing an ex vivo artificial organ. the cells in the organ cannot tolerate shear stress in excess of 0.5 gcm
the earth spins about its own axis at an angular velocity omega. imagine an experiment where an object of mass m kg is
the inner and outer surfaces of a 0.5 cm thick x 2.0 m x 2.0 m window glass in winter are 12degc and 4degc
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