British Paints Lead Developer Interview Questions and Answers

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

I plan to associate with the company for the long term, as I am committed to growth and contributing to its success.

• I am looking for stability and growth opportunities in my career, and this company aligns with my goals.

• I believe in the company's mission and values, and I am excited to be a part of its future.

• I am confident that my skills and experience will allow me to make a significant impact and contribute to the c...read more

Developing a data analysis system for a retail company to track sales performance

• Identify key performance indicators (KPIs) such as sales revenue, profit margins, and customer retention rates

• Collect and clean data from various sources including POS systems, online sales platforms, and customer surveys

• Use data visualization tools like Tableau to create interactive dashboards for monitoring sales performance

• Implement pre...read more

One major issue faced during development process was lack of clear requirements.

• Lack of clear requirements led to frequent changes in project scope

• Difficulty in estimating project timelines and resources

• Increased risk of delivering a product that does not meet client expectations

Securing data over the public internet involves using encryption, secure protocols, VPNs, and regular security audits.

• Use encryption to protect data in transit, such as SSL/TLS for websites.

• Implement secure protocols like HTTPS, SSH, and SFTP for secure communication.

• Utilize Virtual Private Networks (VPNs) to create secure tunnels for data transmission.

• Regularly conduct security audits and updates to identify and patch...read more