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A quality of water within a piston-cylinder assembly executes a Carnot power cycle. During isothermal expansion, the water is heated from saturated liquid at 50 bar until it is a saturated vapor. The vapor then expands adiabatically to a pressure of 5 bar while doing 364.31 kJ/kg of work.
a. Sketch the cycle on p-v coordinates.
b. Evaluate the heat transfer per unit mass and work per unit mass for each process in kJ/kg.
c. Evaluate the thermal efficiency.
Deteemine the velocity of the 30 kg block A if the two blocks are released from rest and the 20 kg block B Moves 0.6 mup the incline .The coefficient of kinetic friction between both blocks and the inclined planes is 0.10
Compute the effective composite modulus of subgrade reaction (please consider the subbase, the presence of a relatively shallow rock foundation, and the potential loss of support)
A compaction test was conducted in a soils laboratory, and the standard proctor compaction procedure (ASTM D698) was used. The weight of a compacted soil specimen plus mold was determined to be 3815 g.
If = 300 N , determine the required minimum compression in the spring so that the wedge will not move to the right. Neglect the weight of A and B. The coefficient of static friction for all contacting surfaces is .2 Neglect friction at the rollers..
A chemical plant uses a tube-within-a-tube counterflow heat exchanger to heat air with the use of steam. During steady state operation, the air flows into the exchanger at a rate of 5,000 kg/h and a temperature of 27C and exits at a temperature..
A tensile-reinforced beam has b = 12 in. and d = 20 in. to the center of the bars, which are placed all in one row. If fy = 60,000 psi and fc' = 5000 psi,
A point load from a pier applies at ground surface which its magnitude is 1000KN. Calculate primary consolidation settlement of the clay layer at a distance of one meter from the point of application of the load.
What is the most significant difference between "free" jets and flows in confined structures (nozzles, pipes, etc.) in terms of formulation of force terms ÓF(i.e. left hand side) of the momentum equation
Consider a box model for an air shed over a city that is 1 X 105 m on a side, with a height of 1200 m induced by a temperature inversion. Winds with no SO2 blow at 4 m/s agains one side of the box.
A 100-ft steel tape was used in the field to measure a distance of 247.53 ft. the following data represents the conditions in the field at the time of measurement: tempreture = 41 F, tension = 30 ib, and tape supported at ends only.
A falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm. Calculate the hydraulic conductivity of this clay.
A-Olympus Mons, a 69,000-foot-tall mountain on Mars, is the largest volcano in the solar system. Its circumference at the base is large enough to cover almost the entire state of Colorado.
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