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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.
Contents of Cast Iron: Cast Iron or CI is prepared form melting pig iron in cupola furnace or in electric furnace. This furnace offers better quality. CI contains various
Methods of preventing it
State and define the bending equation and mention it''s units and derive it
LASER BEAM WELDING In this process, fusion is achieved by directing a highly concentrated beam to a fine spot. The word LASER is an abbreviation of Light Amplification by S
Necessity of Cooling System To prevent the engine from excessive heating. To avoid the piston seizure due to thermal expansion. To prevent burning of lubricant a
MANAGEMENT ?
The pressure and temperature of a diesel cycle at the start are 1 bar and 20C respectively and the compression ratio is 14. The pressure at the end of expansions 2.5 bar. Find perc
Find speed of dynamo shaft: Q: W ith the help of belt an engine running at 200rpm drives line shaft. The Diameter of the pulley on engine is 80cm and the diameter of the pul
Types of couple: Explain about different types of couple? Sol.: There are mainly two types of couples: 1 . Clockwise Couple A couple whose tendency
In a nuclear power plant saturated steam at 30 bar enters a h.p. turbine and expands isentrophically to a pressure at which its quality is 0.841. At this pressure the steam is pass
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