5. For the following processes, - Primary heating of petroleum in atmospheric distillation unit in oil refinery Provide high rate of vaporization to the bottom of distillation column Production of high-pressure steam Cracking reaction of heavy petroleum compounds (fractions) to produce light components Separation of Alcohol-Water Mixtures Obtaining pure water from river water - a) Select the appropriate equipment for the desired process, Justify your selection b) What are the main parts and operating principle of the selected equipment