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Closed System:
The system that can exchange energy with the surrounding but not the mass. The quantity of matter hence remains fixed. And the system can be described as control mass system. The physical nature and chemical composition of mass of system can change. Water can evaporate into steam or steam can condense into water. A chemical reaction can occur between two or more components of closed system.
For instance
1. Car battery, Electric supply takes place from and to the battery but there is no transfer of material.
2. Tea kettle, Heat is supplied to kettle but mass of water is constant. 3. Water in a tank
4. Piston – cylinder assembly.
Q. Design Loading - Unloading Facilities in plant layout? Loading and unloading areas should be separated. These facilities should be situated on the edge of the site near road
Example of Equilibrium: Express in terms of θ, β and W the force T necessary to hold weight in equilibrium as shown in the figure given below. Also derive an expression f
Compare Petrol engine with Diesel engine with each other ( i ) Basic cycle: Petrol Engine work on Otto cycle whereas Diesel Engine work on diesel cycles. ( i i )
whats is apossitive wrench??
What are combined footings? COMBINED FOOTINGS: When a footing supports two or more columns in the same line, it is called a combined footing. The combined footing which supp
Sketch stress-strain diagram for Mild Steel in tension and also describe the important points. Also draw stress-strain curve for cast Iron, concrete and for elastic rubber only.
compressor’s volumetric efficiency can also depend on the compressor’s ratio.
(a) Briefly explain the various efficiency terms associated with an engine. (b) A four cylinder engine running at 1200 rpm delivers 20 KW. The average torque when one cylinder w
(a) Show that two statements of Second Law of thermodynamics are equivalent to each other. (b) A house that was heated by electric resistance heater consumed 1200 KWh of electri
The Euler-Poincare Formula The Euler-Poincaré formula describes the relationship of the number of vertices, the number of edges and the number of faces of a manifold. It has b
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