Chemline India Interview Questions and Answers

I have 10 years of experience in software engineering, specializing in backend development and system architecture.

• 10 years of experience in software engineering

• Specialize in backend development and system architecture

• Worked on projects involving scalability and performance optimization

No, I do not have a supervisor license.

• I do not possess a supervisor license at the moment.

• I have not pursued obtaining a supervisor license in my career.

• My focus has been on technical expertise rather than supervisory roles.

Testing of motors involves various methods to ensure functionality and performance.

• Performing insulation resistance tests to check for any electrical faults

• Conducting load tests to measure the motor's performance under different conditions

• Checking for abnormal noise or vibrations during operation

• Inspecting the motor for any physical damage or wear

• Using thermography to detect overheating issues

Transformer safety relays are devices used to protect transformers from faults and overloads.

• Transformer safety relays monitor the electrical parameters of a transformer, such as current, voltage, and temperature.

• They can trip the transformer offline in case of a fault to prevent damage.

• Some common types of transformer safety relays include overcurrent relays, differential relays, and temperature relays.

The optimum diameter of a pump depends on various factors such as flow rate, head, viscosity, and efficiency.

• The diameter should be selected based on the required flow rate and head of the system.

• Higher viscosity fluids require larger diameter pumps to reduce frictional losses.

• Efficiency of the pump increases with larger diameter impellers.

• The diameter should also be selected based on the available space and cost const...read more

Stream balance inside distillation column is crucial for efficient separation of components.

• Stream balance refers to the equal distribution of feed and product streams across the column.

• Imbalance can lead to poor separation efficiency, flooding, or tray damage.

• Factors affecting stream balance include tray design, liquid and vapor flow rates, and column diameter.

• Techniques such as tray hydraulics and computational fluid...read more

Designing a distillation column for binary mixtures involves determining the number of trays, feed location, and reflux ratio.

• Determine the boiling points of the components

• Calculate the minimum reflux ratio

• Choose the number of trays based on the desired separation

• Determine the feed location based on the composition of the feed

• Design the reboiler and condenser

• Consider the pressure drop across the column

List is mutable, tuple is immutable in Python.

• List can be modified, tuple cannot be modified

• List uses square brackets [], tuple uses parentheses ()

• List is used for collections of items that may change, tuple is used for fixed collections