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A confined quantity of air undergoes two thermodynamic processes departing from an initial equilibrium state where the temperature is 20°C, the absolute pressure is 1bar, and the volume is 0.2m3. First, the volume of the system is doubled by an isobaric process. Then, the volume is decreased back to the initial value through a process where the relation P-V1.4 is kept constant. You may assume average values for the particular heat capacities (cp and cv) to:
(a) Sketch the processes in a P-V diagram.
(b) Determine the temperature of the three states in K.
(c) Calculate the total work in kJ.
(d) Compute the total heat transfer in kJ.
(i) Electric field lines come out of positive charge and go into the negative charge. (ii) Tangent to the field line at any point gives the direction of the field at that point.
what are the various types of tops ?
Q. Evaluate Height of Water in Tank? A water tank has spiral a small leak at a point 2 feet from its base on the ground. A second leak sprightly over the first is 5 feet from t
Work: In its technical sense, work is the product of force and distance, and work is done only when a force causes movement. We can see this by the formula: Work = Force x
The rotational velocity of a merry go round is increased at a constant rate from 1.5 rad/s to 3.5 rad/s in a time of 9.5 s. What is the rotational acceleration of the merry-go-
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Define Entropy of Ideal Gas? A vessel of volume V 1 contains N molecules of an ideal gas held at temperature T and pressure P 1. The energy of a molecule may be written in t
The p.d.'s calculated across three resistors linked in series are 5V, 7V and 10V, and the supply current is 2A. Determine (a) The supply voltage, (b) The total circuit res
UNIT: SI unit of force is Newton (N).
Define drift velocity and derive an expression for it?
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