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A certain industrial process requires a steady stream of saturated vapor steam at 200 kPa at the rate of 2 kg/s. There are two alternatives to be considered for supplying this steam from ambient liquid water at 20 degrees C, 100 kPa. Alternative 1: Pump the water to 200 kPa and feed to a steam generator. Alternative 2: Pump the water to 5 MPa, feed to a steam generator, and then expand through a turbine, from which the steam exhausts at the desired state. (a) Represent the two alternatives on T-s diagrams (b) Compare the two alternatives, making reasonable and justifiable assumptions about the various processes involved; you must use quantitative analysis for the comparison and make a recommendation as to which alternative is better for the industry.
two blocks a and b are arranged with pulleys as shown. block a has an initial velocity t 0s to the left of va1.2 ms.
determine the time needed for the velocity to become v=vf. initially the particles falls from rest.
Identify the mass properties that would be used to determine an appropriate size box to package 60 ABS Plastic (0.038 lb/in3) blanks and to ship them at $1.15 per pound.
Determine the molecular weight of a poly(ethylene-propylene) with a degree of polymerization of 25,000 given that 20% of the mers (by number) are ethylene and 80% are propylenel.
Find the stress in both members shown below and what steel specifications (types of steel) are suitable for structural applications?
two processes are used to produce forgings used in an aircraft wing assembly. of 200 forgings selected from process 1
How many engagement points on the flywheel would be necessary to make this machine safe?
Sketch and annotate the drive train described above. What's the overall system gear ratio? Formula, Substitute/Solve,
Using the ideal gas model with specific heat ratio, k = 1.4, and ignoring potential energy effects, determine (a) the exit velocity, in m/s, and (b) the rate of heat transfer, in kJ per kg of gas flowing through the nozzle.
A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60°F,
What are the standard S.I. And English based units for reporting strain? What are the standard S.I. And English based units for reporting Youngs Modulus?
Refrigerant R-134a is compressed steadily and adiabatically in a reversible compressor. The volume flow rate entering the compressor is 800 ft3/min.
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