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Open system
The system that exchange both the mass and energy (or Heat and work) with the surrounding of it. The mass within the system is necessarily constant. The nature of the processes happening in such system is flow type. For instance
1. Water Pump: Water enters at low level and pumped to higher level, pump is driven by an electric motor. The mass (that is water) and energy (that is electricity) cross the boundary of system (which is pump and motor). 2. Scooter engine: Air arid petrol enters and burnt gases leave the engine. The engine provides mechanical energy to wheels.
3. Boilers, turbines, heat exchangers. Fluid flow through them and heat /work is taken out or supplied.
Mostly all the engineering machines and equipment are open systems.
all lines on psychrometric chart
Define External Broaching - Types of Broaching External broaching is employee for machining a flat surface. The broach is in the form of a small length tool mounted on a slider
Q. General corrosion rates of castings? Austenitic stainless steels (300 series) are very resistant to caustic in concentrations up to 50% and temperatures below 200 o F (95 o
If the expression is quasi-static, determine Q, ΔU and W for the process. In another process the same system expands according to the similar pressure- volume relationship and f
Net angle of twist at the free end - steel shaft: The stepped steel shaft illustrated in Figure is subjected to a torque (T) at the free end and a torque (2T) in the opposite
Company level - Safety Organization This is at company level and will straight report to the corporate director. He has to always monitor safety policies of the company and b
corrosion in boilers is prevented or minimized by maintaining of boiler water
Compute depth of yielding in the hollow shaft: A solid shaft 80 mm diameter is solid for a certain length from one end but hollow for the remaining length along inner diameter
Adhesives Adhesives are a substance able of holding materials together. A joint is formed among two solids is called adherends with a thin layer of adhesive among them. Mainly
WHAT IS THE HISTORY AND COMPOSITION OF CUPOLA FURNACE?
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