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Carbon dioxide (CO2) as an ideal gas executes a Carnot power cycle while operating between thermal reservoirs at 450 and 1008F. The pressures at the initial and final states of the isothermal expansion are 400 and 200 lbf/in.2, respectively. The specific heat ratio is k 5 1.24. Using the results of Problem 5.80 as needed, determine
(a) the work and heat transfer for each of the four processes, in Btu/lb.
(b) the thermal efficiency.
(c) the pressures at the initial and final states of the isothermal compression, in lbf/in.2
A structure is fixed to a surface at point O and supports 300 and 400 N couples as shown. Determine the resultant couple moment vector, using both scalar and vector approaches (solve twice).
a gasoline delivery truck traveling at 80 kmhr decelerates at a constant rate to a complete stop 10 seconds. the
the velocity of a particle is given by v16t2i 4t3j 5t 2k ms where t is in seconds. if the particle is at the origin
a 6-km cast-iron new pipeline conveys 320 lsec of water at 30 degrees celsius. if the pipe diameter is 30 cm compare
an adiabatic control volume with steam as the working fluid operates at steady flow conditions with the inlet state of
A particular polymer has a critical stress intensity parameter of 5 MPa?m^1/ 2 and a strength of 150 MPa. It is being used as a plate that experiences tension. The maximum stress it is designed to experience is 80% of its strength.
The temperature, pressure, and velocity before a normal shock wave are 20-C, 100 kPa absolute, and 600 m=s, respectively. Determine the temperature, pressure, velocity, and Mach number after the shock wave.
Water (25 degrees Celsius) flows through 1- inch Schedule 40 steel pipe at 2.0 gpm. What is the pressure drop along 5000 feet of smooth pipe? If the pipe is not smooth but rather commercial steel, what is the pressure drop?
as a particle moves from the origin to 12i 6j m it is acted upon by a force given by 4i 8j n. calculate the work done
a sensor is 800 ft from the controller and is connected with awg24 twisted pair wire 25.71000ft. the signal at the
an ideal brayton gas refrigeration cycle uses air. the air is at 5 psi and -10f when it enters the compressor. the
a ship tracks an unmanned vehicle p in the water. relative a reference frame the recorded motion of p for the first t
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