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An adiabatic turbine has steam flowing steadily through it. The inlet conditions of the steam are P1=6 MPa, T1= 400C and v1=80 m/s, while the exit conditions are P2= 40kPa, .9 quality x=.9, and v0= 50 m/s. The mass flow rate of the steam is m= 20kg/s. Determine the change in kinetic energy, b the power output, and c the turbine inlet area.
the wear resistance of a steel shaft is to be improved by nitrogen hardening of its surface. the initial nitrogen
The data listed below are claimed for a power cycle operating between hot and cold reservoirs at 1500 K and 450 K, respectively. For each case, determine whether the cycle operates reversibly, operates irreversibly, or is impossible.
a heavy ball with a weight of 130 n is hung from the ceiling of a lecture hall on a 4.0-rm m-long rope. the ball is
what is the indentation diagonal length when a load of 0.75 kg produces a vickers hv of 510? calculate the vickers
The 60W fan of a central heating system is to circulate air through the ducts. The analysis of the flow shows that the fan needs to raise the pressure of the air by 50Pa to maintain flow. The fan is located in a horizontal flow section whose diameter..
a pressure sensing device has an electrical output and is approximately linear. when the input is 100 kpa the output is
a gas refrigeration system composed of a turbine a compressor and two heat exchangers is operating at steady state. air
the following linear failure envelopes for a rock mass are givenintact rockfriction angle 350cohesion 900 psitension
The mean inside diameter of a sample of 100 washers manufactured by a machine is 0.252 m, and the standard deviation is 0.003 m. The application for the washers permits a tolerance in the diameter of 0.246 m to 0.258 m. If the diameter is outside thi..
A 0,5Kg mass attached linear spring suffress 01 N/m. Determine be naturak frequency of the system in hortz e reapert this calculation for a mass of 50Kg and a suffress of 10N/m and compare your result to that of part.
a cord is wound in the slot of cylinder a. mass b moves downward with a velocity of 6 m. assume no slipping of the
a strain-rate dependence test is conducted on samples of al 6061-t6. two identical bars are tested. the first bar is
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