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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.
Compare solid shaft with the hollow: Compare solid shaft with the hollow shaft, by strength and their weight. Sol.: ( a ) Comparison by strength: Assume that both the s
A facility that uses machines to fabricate devices from stock raw materials or to change mechanisms based upon given specifications. Also, know as "Back" Shops. The common machi
EXPLANE PLZZ
Sweep pattern It is used to sweep the complete casting by means of a plane sweep. These are used for generating large shapes which are axis-symmetrical or prismatic in nature s
Explain Index Jig? 1. This type of jig, as the name suggests, incorporate a suitable indexing mechanism, by means of which the work piece can be indexed to required posit
Friction is Desirable: A friction is much desirable to stop the body from its moving condition. If there is no friction between contact surfaces, then the body cannot be st
Q. Feedwater Controls for Steam generator? associated with that Steam Generator. The flow controllers utilize regular P.I.D. controllers, and their outputs are fed directly to
CONDUCTION OF ELECTRICITY IN GASES Electricity can pass through different media. In the case of gases, the atoms or molecules are not packed and they are free to move. In fact
a) Illustrate with the help of neat sketch any three straight line mechanism. b) Describe Degree of Freedom and prove the relation for Grumbler's equation.
Find modulus of elasticity of the composite under isostrain: A composite is made of alternate layers of 60% E-glass and 40% epoxy resin. If modulii of elasticity of E-glass an
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