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1. As a process safety engineer, you are assigned the task to conduct hazards and operability studies (HAZOP) on several study nodes. One of the nodes assigned to you is the vaporiser tank with liquefied petroleum gas (LPG) as shown in FIGURE 1. FIGURE 1 shows that heat is supplied by steam to vaporize the liquid. The vaporized liquid is then vented out at the top of the tank. The pressure in the tank was controlled by manipulating steam flowrate to the tank to ensure the pressure did not exceed the safe operating limit. Perform a HAZOP study using TWO (2) parameters and THREE (3) guide words for each parameter. FIGURE 1