Nasser S. Al Hajri Corporation Piping and Welding Inspector Interview Questions and Answers

I manage pressure by prioritizing tasks, maintaining clear communication, and practicing stress-relief techniques.

• Prioritization: I use tools like the Eisenhower Matrix to identify urgent and important tasks, ensuring I focus on what truly matters.

• Time Management: I break projects into smaller tasks with deadlines, which helps me avoid feeling overwhelmed.

• Clear Communication: I keep stakeholders informed about progress...read more

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.

Designing a floating head assembly involves considering various factors such as material selection, sealing mechanisms, and thermal expansion.

• Select appropriate materials for the floating head assembly based on the application requirements.

• Design effective sealing mechanisms to prevent leakage and ensure proper functioning.

• Consider thermal expansion and contraction to accommodate temperature variations.

• Ensure proper al...read more

H2S service for pressure vessel refers to the use of hydrogen sulfide in a pressure vessel.

• H2S service involves the handling and containment of hydrogen sulfide gas in a pressure vessel.

• Pressure vessels used in H2S service must be designed and constructed to withstand the corrosive effects of hydrogen sulfide.

• Special materials and coatings may be required to prevent hydrogen sulfide from corroding the pressure vessel.

• R...read more

Gaskets are mechanical seals used to prevent leakage between two surfaces. There are various types of gaskets available.

• Sheet gaskets

• Spiral wound gaskets

• Ring gaskets

• Metallic gaskets

• Rubber gaskets

• Cork gaskets

• Non-asbestos gaskets

HRG stands for Human Resource Group while LRG stands for Large Retail Group.

• HRG focuses on managing human resources within an organization

• LRG focuses on managing a large retail business

• HRG deals with employee relations, recruitment, training, and development

• LRG deals with sales, inventory management, customer service, and marketing

Transformer sizing involves calculating the appropriate size of a transformer based on load requirements.

• Determine the total load requirements in kVA

• Consider the load factor and diversity factor

• Calculate the transformer size based on the total load requirements

• Ensure the transformer is rated for the appropriate voltage and frequency

• Consult with a professional engineer if needed