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Steam is to be condensed in the condenser of a steeam power plant at a temperature of 60C with cooling water from a nearby lake, which enters the tubes of thye condenser at 18C at a rate of 75 kg/s and leaves at 27C. Assuming the condenser to be perfectly insulated, determine (a) the rate of condensation of the steam and (b) the rate of entropy generated in the condenser.
Block A has a mass of 3 kg and B has a mass of 5 kg. If the system is released from rest, determine the velocity of each block in t=4s. Neglect the mass of the pulleys.
a hollow aluminum shaft is to carry a torque of 200 in.kips. the inner radius is 1in and it is 5ft in length. if the
superheated steam pressure at a 1 atm mean temperature of 800k and mass flow rate of 0.15kgs enters a thin
a hole in an aluminum roof panel is 2.748 cm2 in area at 0.000degc. what is the magnitude of the change to its area
a hydraulic cylinder has a piston of cross sectional area 45cm2 and a constant working fluid pressure of 2.2mpa. the
To solve ax = b Find a number y such that ay is integer (and possibly a factor of b) Then if k Ay = b, the answer is ky What is the concept they understood?
a turbofan jet engine has a large fan that sucks in air. some of this air enters a set of compressors is mixed with
is there any difference between the stresses measured at the top of the beam and at the same location on the bottom of the beam?
the two bars shown in the figure are used to support a load p. when unloaded joint b has coordinates 0 0. after load p
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
the environment in a certain area is 15 degrees c. plot the maximum efficiency of a nuclear power plant as a function
a can of juice consists of .06 kg of aluminum and .355 liters of liquid. consider the contents to be saturated liquid
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