Assigmnment- Basic Mechanical

1.Explain the working principle of Vapor Compression Refrigeration System 2.Classify the types of Patterns making allowances with a neat sketch 3.Sketch and explain the working principle of Split type Air Conditioner. 4.Discuss the principle and working of a Gas metal arc welding process. 5.Explain the working of Cupola furnace with a neat sketch. 6.Differentiate petrol and diesel engines.