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An ideal Rankin cycle uses water as a working fluid, which circulates at a rate of 80kg/s. The boiler pressure is 6 MPa, and the condensor pressure is 10 kPa. The water enters the turbine at 600C abd leaves the condensor as a saturated liquid. Assume that heat is transfered to the working fluid in the boiler from a reservoir at 1400K and that the fluid ib the condensor rejects heat to the surroundings at 25C. Calculate the following quantities:
A)The power required to operate the pump
B)The heat-input rate to the water in the boiler
C)The power developed by the turbine
D)the heat-rejection rate in the condensor
E)The thermal efficiency of the cycle
F)The irreversibility associated with each process and the total cycle.
Assuming that the bomb is perfectly insulated what is the temperature of the air in the bomb at the end of filling process? Assume air is an ideal gas with constant specific heats in a ratio Cp/Cv = γ = 1.4 and constant R= 287 J/kg K.
Describe on your own words the three strengthen mechanism for metals (i.e. grain size reduction, solid solution strengthening and strain hardening). Be sure to explain how dislocations are involved in each of the strengthening techniques.
determine the force and moment reactions at the support A of the built in beam which is subjected to the sine-wave load distribution.
a uniform rod ab of length 3m and mass 20kg is suspended with its end b against a vertical wall while its end a is
a ball is dropped from a boat so that it strikes the surface of a lake with speed 16.5 fts. while in the water the
, determine the speed of the boy at the instant = 4 . Neglect the size of the limb. When = 0, = 8 so that and are coincident, i. e., the rope is 16 long.
a 960 N.m moment is required to straghten a post. if the capacity of a winch puller is 2400N, determine the minimum value to create the specified moment.
flywheelsthe aim of this demonstration is to become familiar with the derivation of material indexes in general and for
determine the work done by a 1-lb fluid system as it expands slowly within a piston-cylinder arrangement from an
The mean diameter of a conical friction clutch is 250mm with a width of the conical surface being 50mm. The clutch is lined with a material having a coefficient of friction of 0.25
a thin flat plate is installed in a water tunnel as a splitter. the plate is 0.3 m long and 1 m wide. the freestream
suppose we wish to test the hypotheses ho u15 h1 u does not 15 where we know that sigma2 9.0. if the true mean is
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