Navitasys India Quality Controller Interview Questions and Answers

Breather in a transformer helps to prevent moisture and dust from entering the transformer tank.

• Breather allows air to enter and exit the transformer tank as the oil expands and contracts during operation.

• It contains silica gel or other desiccants to absorb moisture from the air entering the transformer.

• Prevents the formation of sludge and acids inside the transformer due to moisture contamination.

• Regular maintenance a...read more

Corona in transmission line refers to the phenomenon where electric field strength is highest at the conductor surface.

• Corona discharge occurs when the electric field strength exceeds the breakdown strength of air.

• Corona can lead to power loss, audible noise, radio interference, and damage to the transmission line.

• Examples of equipment used to reduce corona include corona rings and grading rings.

6S is a methodology used in lean manufacturing to organize a workplace for efficiency and effectiveness.

• 6S stands for Sort, Set in order, Shine, Standardize, Sustain, and Safety.

• It involves organizing the workplace to eliminate waste, improve productivity, and ensure safety.

• For example, sorting through tools and materials to remove unnecessary items, setting up a visual system for easy access, and regularly cleaning an...read more

I will identify the root cause of the problem, implement corrective actions, and monitor the effectiveness of the solutions.

• Investigate the issue to determine the root cause

• Implement corrective actions to address the problem

• Monitor the effectiveness of the solutions to ensure the problem is resolved

• Document the entire process for future reference

Quality control is a process used to ensure that products or services meet specific standards and requirements.

• Quality control involves monitoring and testing products or services to identify defects or deviations from standards.

• It aims to prevent defects and ensure consistent quality throughout production.

• Examples include inspecting products on a production line, conducting tests on samples, and analyzing customer fee...read more