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Isolated System:
In an Isolated system, neither energy nor masses are permitted to cross the boundary. The system has constant mass and energy. No such system exists physically. Universe is the only example that is perfectly isolated system. Other Special System
1. Adiabatic System: A system with adiabatic walls can only exchange work and not heat with the surrounding. All adiabatic systems are insulated thermally from their surroundings.
The example is Thermos flask containing a liquid.
2. Homogeneous System: A system that consists of a single phase is called as homogeneous system. For example, the mixture of air and water vapour, water added to nitric acid and octane added to heptanes.
3. Hetrogeneous System: A system, which comprises of two or more phase, is called as heterogeneous system. Example of it is Water added to steam, Ice added to water and water added to oil.
INTRODUCTION TO WELDING PROCESSES Welding is a material joining process used in making welds and a weld is a localised coalescence of metals or non metals produced either by he
The following data were obtained from a test on a single cylinder, double acting steam engine fitted with a rope brake. Cylinder diameter 200mm Stroke 250mm Speed 5rev/min Effec
Explain Thermodynamics System In thermodynamics the system is illustrated as the quantity of matter or region in space upon which the concentration is concentrated for the sake
diffrence between actual and idealactual vapour compression cycle
Wet saturated steam - thermodynamics: we t saturated steam Wet steam is a 2-phase mixture comprising of boiling water particles and dry steam in equilibrium state. Its for
Explain the uses of Residual soils Residual soils may be underlain by sloping rock which may contain weathered seams. The possibility of foundations sliding on these seams have
Explain about the eccentrically loaded footings. ECCENTRICALLY LOADED FOOTINGS When footings have overturning moments and axial loads, the base pressure under the footing wi
Drill Bit: This is a drilling tool used in drilling machines. The application of this tool is to make holes. Figure shows drill bit. Figure: Drill Bit
Find out the centroid of the shaded : Find out the centroid of the shaded area shown in Figure Solution Net area of shaded portion of Figure = The area of full
Materials which can store electrical energy are called (A) magnetic materials. (B) semi conductors. (C) dielectric materials. (D) super conductors. Ans: Mater
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