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Closed, open and isolated system-Thermodynamics system:
Sol: In thermodynamics the system can be defined as the quantity of matter or region in space upon which attention is concentrated for sake of analysis. These systems are referred as thermodynamics system.
It is bounded by arbitrary surface called as boundary. The boundary can be real or imaginary, can be at rest or in motion and may can its size or shape.
Everything outside the arbitrary selected boundaries of the system is called as environment or surrounding.
Figure--The system The union of system and surrounding is altogether termed as universe. Universe = System + Surrounding
Types of system
The analysis of thermodynamic processes comprises of study of the transfer of mass and energy across the boundaries of system. On the basis system can be mainly classified into three parts.
(i) Open system (ii) Closed System (iii) Isolated system
FLUX SHIELDED ARC WELDING This process is popularly known as Submerged Arc Welding (SAW).This is a fully mechanised welding process. The electrode is a continuous metallic sol
Express the compression force C in the hydraulic cylinder of the car hoist in terms of the angle Θ, see Fig Q3. The mass of the hoist is negligible compared with the mass of the ve
Magnitude of a couple: So l.: For system, magnitude of couple is equal to algebraic sum of the moment about any point If the system reduces to couple, the resultant forc
Q. Explain System and Parting sand? System Sand: In mechanized foundries, where machine moulding is employed a so called "system sand" is used to fill the whole flask. Since
Determine the springs needed to absorb the energy: A vehicle weighing 28 kN and running at 2.5 m/sec is to be brought to rest by a buffer springs. Determine the number of spri
Ceramics Ceramics are mostly inorganic crystalline materials characterized by high melting point and low ductility. Such materials are processed via methods other than melting
why constant volume line has more slop tha constant pressure line in T-S diagram
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane, then wha
A tin and lead alloy is commonly known as solder. Usually solder is a wire with a rosin core used for soldering. The rosin core acts as a flux.
Working of boiler : Water is filled in boiler shell through the feed valve up to 2/3 rd of shell. Water flows down through the down take header by means of descending wa
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