Gujarat Narmada Valley Fertilizers & Chemicals Fireman Driver Interview Questions and Answers

DB1701 and HP5 columns are commonly used in chromatography due to their high thermal stability and wide range of applications.

• DB1701 and HP5 columns are both stationary phases used in gas chromatography.

• DB1701 column is a non-polar phase, while HP5 column is a polar phase.

• DB1701 column is commonly used for analyzing volatile organic compounds (VOCs) in environmental samples.

• HP5 column is often used for analyzing polar ...read more

Yes, I have worked on Aspen HYSYS.

• I have experience using Aspen HYSYS for process simulation and optimization.

• I have used Aspen HYSYS to design and optimize various chemical processes.

• I am familiar with the software's capabilities and have used it to model complex systems.

• I have also used Aspen HYSYS to perform sensitivity analyses and evaluate different scenarios.

• Overall, my experience with Aspen HYSYS has been valuab

Sizing of PSV and vent

• PSV (Pressure Safety Valve) should be sized based on the maximum possible flow rate and the set pressure of the system

• Vent should be sized based on the maximum possible flow rate and the back pressure of the system

• Factors like fluid properties, temperature, and pressure drop should also be considered while sizing PSV and vent

• Proper sizing of PSV and vent is crucial for ensuring the safety of the s

A P&ID of a scrubber is a diagram that shows the process flow and equipment involved in removing pollutants from industrial exhaust gases.

• The P&ID should include the inlet and outlet streams, as well as the scrubbing liquid and any necessary pumps or valves.

• The scrubber itself should be clearly labeled and include details such as the type of scrubbing media used (e.g. water, chemicals) and any associated instrumentatio...read more