Nasser S. Al Hajri Corporation QA QC Engineer Interview Questions and Answers

Bus bar schemes are different ways of connecting bus bars in power systems.

• Single bus bar scheme

• Double bus bar scheme

• Main and transfer bus bar scheme

• Ring bus bar scheme

• Breaker and a half scheme

• Mesh bus bar scheme

The equipment sequence for any line bay starts with the circuit breaker and ends with the transformer.

• The circuit breaker is the first equipment in the sequence.

• Next comes the isolator switch.

• After that, the earth switch is operated.

• Then the line disconnector is opened.

• Finally, the transformer is disconnected from the line.

• The sequence is reversed when the line bay is put back into service.

BMD for sway frame is a diagram showing the variation of bending moment along the length of the frame.

• BMD for sway frame will have a shape similar to a zigzag pattern due to the presence of sway in the frame.

• The bending moment will be maximum at the points where the frame experiences maximum sway.

• The BMD can be drawn by analyzing the internal forces and moments acting on the frame.

Drawing piperack elevations involves creating detailed drawings of the structure from different viewpoints.

• Start by determining the dimensions and layout of the piperack

• Use software like AutoCAD to create accurate and detailed drawings

• Include all necessary details such as pipe sizes, supports, and connections

• Label all components clearly for easy understanding

• Review and revise the drawings as needed for accuracy

I shifted to pursue new opportunities for growth and development in my career.

• Seeking new challenges and responsibilities

• Exploring different industries or technologies

• Relocation for personal reasons or family commitments

Minimum gap between two structures for seismic point of view is typically around 1.5 times the height of the taller structure.

• Minimum gap is usually 1.5 times the height of the taller structure to reduce seismic interaction.

• This gap helps prevent collision or structural damage during an earthquake.

• Building codes and regulations may specify minimum gaps for seismic safety.

• Example: If one building is 100 feet tall, the m...read more

Managed various projects including software development, system integration, and process improvement.

• Led a team in developing a new software application for streamlining customer data management

• Implemented system integration solutions to improve communication between different departments

• Executed process improvement initiatives to increase efficiency and reduce costs

• Collaborated with cross-functional teams to ensure pr

Continuous learning, growth, challenging projects, leadership opportunities, work-life balance

• Continuous learning and skill development through training and certifications

• Opportunities for career growth and advancement

• Challenging projects that allow for problem-solving and innovation

• Leadership opportunities to mentor and guide junior team members

• Maintaining a healthy work-life balance to prevent burnout