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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.
TEMPERING: The hardening treatment specified to steel raises the hardness but initiates internal stresses due to different cooling rates. The internal stresses are created al
how to solve engineering mechanics statics problem?
In Grey Cast Iron, carbon is present in ------------form while in white cast iron, it is found in ----------- form.
DEFINE A SHAPE FACTOR
how can we modified truss to make sure it can support 20% more forces than usual?
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1. I have a data for displacement versus time ( graph) then I want to get the velocity and acceleration graphs from the displacement.How can I get it?
Binomial distribution: Let X follow a binomial distribution with parameters n = 4 and p = 0.5. Tabulate P ( ¦X - μ¦ ≥ k ) and σ 2 /k 2 for k = 1,2,3,4,5 and verify that Cheby
First Law for closed system undergoing cycle: In accordance to first law, when a closed system undergoes thermodynamic cycle, the net heat transfer is equal to network transfe
(a) Why does engine overheat and what will happen if engine overheats? (b) Why engine does not start in wet or damp weather? (c) What may be the causes if engine dose not sta
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