Eastman Chemical Company Assistant Chemical Engineer Interview Questions, Process, and Tips

What is your undrstanding on process safety and why is it important

Q1. Wha are pump curves
Ans. 
Pump curves show the relationship between flow rate, head, and power for a specific pump.
• Pump curves are graphical representations of a pump's performance characteristics.

• They show the relationship between flow rate, head (pressure), and power consumption.

• Pump curves help engineers select the right pump for a specific application.

• They are typically provided by pump manufacturers and used for pump sizing and selection.

• A...read more
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Q2. How do you de-pressurise a vessel
Ans. 
To de-pressurise a vessel, slowly release the pressure by opening the vent or relief valve.
• Slowly release the pressure by opening the vent or relief valve

• Ensure proper safety measures are in place before de-pressurising

• Monitor the pressure gauge to ensure pressure is decreasing

• Wait for the pressure to reach desired level before fully opening the vessel
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Q3. What instruments are used in designing
Ans. 
Instruments commonly used in designing include CAD software, 3D printers, and simulation tools.
• CAD software (Computer-Aided Design) for creating detailed 2D and 3D models

• 3D printers for rapid prototyping and creating physical models

• Simulation tools for testing designs in virtual environments before production
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Q1. How do you design a relilef device
Ans. 
A relief device is designed by considering the process conditions, fluid properties, and applicable codes and standards.
• Identify the process conditions such as maximum allowable working pressure (MAWP) and temperature.

• Determine the fluid properties including flow rate, density, and viscosity.

• Select the appropriate relief device type based on the process conditions and fluid properties (e.g. pressure relief valve, ruptu...read more
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