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Two kilograms of an ideal gas with constant cp=1kJ/kgK and cv= 0.7kJ/kgK are contained in an insulated piston-cylinder device with an initial volume of 0.3m3 and a pressure of 10bar. The piston is then allowed to move until the volume quadruples.
If the process is considered reversible, determine:
a) The temperature of the final state in K.
b) The work in kJ.
If irreversibilities during the process cause the entropy to increase by 0.1kJ/K, determine:
c) The temperature of the final state in K.
d) The work in kJ.
e) Sketch the reversible and irreversible processes in a T-s diagram.
A thin rod of length 1 m is fixed in a vertical position inside a train, which is moving horizontally with constant acceleration 4 m/s2. A bead can slide on the rod, and friction
Drake equation (F. Drake; 1961) A technique of estimating the number of intelligent, technological species (that means, able to communicate along with other species) in existe
If two lines of dissimilar metals are connected at their ends so as to form two junctions, then the resulting arrangement is known as a "Thermo couple".
If the resultant force acting on a body of constant mass is zero, the body's momentum is: a) Increasing b) Decreasing b) Always zero d) Constant Ans: If
I am stuck on how to do this assignment
Can you explain modulation? Why is it required? What is "World Wide Web" (WWW)? Give the frequency range of speech signals.
Energy Transformation for a Dart In that case of the dart being launched from the spring gun and the just forces doing work upon the dart are internal forces. Initially, the da
Determine the HVL of photons in air, water, muscle, bone, and Pb for energies of 5 keV, 100 keV, 1 Mev and 100 MeV and then fill in the table below. Note that you must find the HVL
NEWTON ? "The force which forms an acceleration of 1 ms-2 in a mass of 1 kg". It is represented by N.
The nucleus of the element having atomic number 25 and atomic weight 55 will contain : (1 )25 protons and 30 neutrons (2) 25 neutrons and 30 protons (3) 55 protons (4)
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