Demech Chemical Products System Engineer 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

Department process refers to the set of procedures and protocols followed by a particular department within an organization.

• Department process outlines the steps and guidelines for completing tasks within the department.

• It ensures consistency and efficiency in the department's operations.

• Examples of department processes include onboarding new employees, handling customer complaints, and managing inventory.

• Department pr...read more

Labour laws are regulations that govern the relationship between employers, employees, and trade unions.

• Labour laws cover a wide range of issues such as wages, working hours, safety, discrimination, and termination of employment.

• They are designed to protect the rights of workers and ensure fair treatment in the workplace.

• Examples of labour laws include the Fair Labor Standards Act, the Occupational Safety and Health Ac...read more

Employee satisfaction, compliance with laws and regulations, talent management, organizational culture

• Ensuring employee satisfaction and engagement

• Compliance with laws and regulations

• Effective talent management and development

• Building and maintaining a positive organizational culture

Implemented employee engagement initiatives, conducted performance appraisals, and managed recruitment process.

• Implemented employee engagement initiatives such as team building activities and recognition programs

• Conducted performance appraisals to evaluate employee performance and provide feedback for improvement

• Managed recruitment process including sourcing candidates, conducting interviews, and onboarding new hires

I am looking for a competitive salary based on my experience and qualifications.

• I am seeking a salary that is commensurate with my skills and experience

• I am open to negotiation based on the responsibilities of the position

• I am looking for a salary that reflects the market rate for this role

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