Descon Engineering Interview Questions and Answers

I will follow the emergency procedures and evacuate the area immediately.

• I will stop all ongoing work and shut down any equipment that can be safely shut down.

• I will follow the emergency evacuation plan and exit the area as quickly as possible.

• I will report to the designated assembly point and wait for further instructions.

• If necessary, I will assist in the evacuation of others who may need help.

• I will not return ...read more

There are various types of permits required for mechanical work depending on the nature of the work.

• There are hot work permits for welding and cutting operations.

• Confined space permits for work in enclosed spaces.

• Lockout/tagout permits for maintenance work on machinery.

• Excavation permits for digging and trenching work.

• Electrical permits for electrical work.

• Permits for working at heights.

• Permits for hazardous mater...read more

Exchanger is a device used to transfer heat from one fluid to another.

• Exchangers can be of various types such as shell and tube, plate, or spiral

• They work on the principle of heat transfer through conduction

• The hot fluid flows through the exchanger and transfers its heat to the cold fluid

• The two fluids are kept separate by a barrier to prevent mixing

• Exchangers are commonly used in HVAC systems, chemical plants, an...read more

Columns are vertical structures used for support while vessels are horizontal structures used for storage or transportation of fluids.

• Columns are used for structural support while vessels are used for storage or transportation of fluids.

• Columns are usually vertical while vessels are usually horizontal.

• Columns are commonly found in buildings and bridges while vessels are commonly found in chemical plants and refine...read more

I would advise my workers to start unbolting the heat exchanger head from the top and work their way down.

• Start from the top and work your way down

• Use appropriate tools and safety equipment

• Follow proper procedures and guidelines

• Ensure all bolts are properly labeled and accounted for

• Inspect the gasket and replace if necessary

There are several types of piping used in various industries, including process piping, utility piping, and plumbing piping.

• Process piping is used to transport fluids or gases in industrial processes.

• Utility piping is used for services such as water, steam, or compressed air.

• Plumbing piping is used for water supply and drainage systems in buildings.

• Other types of piping include fire protection piping, gas piping, ...read more