Suparna Chemicals Interview Questions, Process, and Tips

I was responsible for designing and testing electrical systems for commercial buildings.

• Designed electrical systems for new construction projects

• Performed testing and troubleshooting on existing electrical systems

• Collaborated with architects and contractors to ensure compliance with building codes

• Managed project timelines and budgets to meet client expectations

The atomic number of oxygen is 8.

• Atomic number is the number of protons in the nucleus of an atom.

• Oxygen has 8 protons, hence its atomic number is 8.

• The symbol for oxygen is O and its atomic mass is 15.999 u.

An acid-base titration is a technique used to determine the concentration of an acid or base in a solution.

• The titration involves adding a known amount of a base or acid to a solution of unknown concentration until the reaction is complete.

• The endpoint of the titration is determined using an indicator, which changes color when the reaction is complete.

• Examples of acid-base titrations include the titration of hydrochlor...read more

SLD diagram is a graphical representation of electrical system from 22kV to 440V.

• SLD stands for Single Line Diagram

• It shows the flow of electrical power from the source to the load

• It includes all the electrical components like transformers, switchgear, cables, etc.

• It helps in understanding the electrical system and identifying faults

• Example: SLD diagram of a substation showing the connection between the incoming 22kV l

Star delta starter is a type of motor starting method used for reducing the starting current of a motor.

• It is used for motors with high starting current

• It involves starting the motor in star configuration and then switching to delta configuration

• Reduces voltage and current during starting

• Used in industries for heavy machinery

• Improves motor efficiency and prolongs motor life