Mechanic means repairing of automobile and mechanical engineer is a person with dirty hands with gasoline or oil! Such a view can be found among a significant number of people and even students.
Today mechanical engineering is related closely to engineering softwares. With these softwares, mechanical engineers can quickly do complex computation and simulation. Also, if you need to change a plan, you can do it quickly by the use of mechanical softwares.
An air-conditioning system provides cooling, ventilation and humidity control of a place.
If we pour some distilled water in a glass balloon then with proper plug and connections vacuum it and also use a precise manometer (mercuric) to show the vacuum amount.
If a semipermeable membrane (Semi-Permeable Membrane) between two solutions of different concentrations were used, the amount of solvent (diluted) from one side of the membrane to the other side of the pass. Cellulose acetate or polyamide membranes are typically made of. The cellulose acetate and triacetate cellulose is mixed membrane formation.