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Performance of Heat engine:
Performance of HP: It is measured by thermal efficiency that is the degree of useful conversion of heat received into work.
ηth Net work output/ Total Heat supplied = W/Q1 = (Q1 - Q2) / Q1
ηth 1 - Q2/Q1 = 1 - T2/T1;
As Q1/Q2 = T1/T2
Or, Thermal efficiency can be defined as ratio of net work gained(output) from system to heat supplied (input) to the system.
parllelo gram law
Maintenance of Railway Line Importance of Maintenance The need for maintenance of railway lines arises out of the following considerations : (a) The track rests on
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In an orthogonal cutting process, following data were taken. Chip length of 80mm was obtained with an uncut chip length of 200mm and the rake angle used was20 degrees and depth of
It is really significant of using a Gantt chart in order to respect the deadline of a client. Show the five main areas that must be explored for a good time management. There
Explain About laws of solid friction
define stress and strain
Q. Pressure Relief Valve Application? A general comparison of operational characteristics is given for the different types of pressure relief valves in common industrial use.
Angle of Repose(α): It is the maximum angle of inclined plane on which body tends to move down the plane because of its own weight. Consider the equilibrium of body when body
break power of two stroke engine
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