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Kelvin Plank Statement:
Sol: It is impossible to construct this type of H.E. that operates on cyclic process and converts all the heat supplied to it into equivalent amount of work. The conclusions stated below can be made from statement
1. No cyclic engine can converts whole heat into equivalent work.
2. There is degradation of energy in a cyclic heat engine as some of the heat has to be degraded or rejected.
Therefore second law of thermodynamics is called as law of degradation of energy. For satisfactory operation of heat engine there should be least 2 heat reservoirs source and sink.
explain the law of gearing
Find out the number of revolution: A flywheel of mass 20 kg and radius 100 mm is made to rotate at 600 RPM. Determine the KE of the flywheel. If the frictional couple at its b
Q= In an investigation of the thermodynamic properties of alpha-manganese,the following heat contents determined H 700 - H 298 = 2895 cal/g-atm H 1000 - H 298 = 5450 cal
All shell and head joints shall be double-welded butt joints with full penetration. In cases where double welding is impractical, the root pass shall be made by the GTAW process.
what is equivalent evaporation
Power metallurgy is much faster production whereas holding closer sizes.
Determine elongation because of self weight of conical bar: Sol.: Consider conical bar ABC of length L with the diameter d fixed rigidly at AB . Let attention be focuse
how do I learn how to present velocity and acceleration diagram from a free space diagram
Piston and Piston Rings - Part of combustion engine: Piston: The piston reciprocates within cylinder and transmits force exerted by expanding gases to crank by means of conn
Calculate the Spindle Speed in Milling Operation Calculate the spindle speed (N) if a copper job is to be milled by (a) stellite cutter (b) cemented carbide cutter.
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