Enphase Energy Senior Mechanical Design Engineer Interview Questions and Answers for Experienced

I am a dedicated Mechanical Engineer with a strong background in designing and implementing mechanical systems.

• Graduated with a degree in Mechanical Engineering from XYZ University

• Experienced in CAD software such as AutoCAD and SolidWorks

• Worked on projects involving HVAC systems and industrial machinery

• Skilled in analyzing and solving complex engineering problems

• Strong communication and teamwork skills

I have 5 years of experience in Boiler Turbine, ESP, and BAG FILTER EPCI projects.

• 5 years of experience in Boiler Turbine projects

• Familiar with ESP (Electrostatic Precipitator) systems

• Proficient in BAG FILTER EPCI (Engineering, Procurement, Construction, and Installation)

• Managed various projects involving Boiler Turbine, ESP, and BAG FILTER systems

• Implemented cost-effective solutions for improving efficiency

The erection process of a boiler involves assembling and installing all the components to create a functional boiler system.

• Prepare the foundation for the boiler

• Assemble the boiler components such as tubes, drums, and headers

• Install the boiler on the foundation

• Connect the necessary piping and valves

• Test the boiler for proper functioning

Boiler pressure parts are typically made of carbon steel, alloy steel, or stainless steel to withstand high pressure and temperature.

• Carbon steel is commonly used for lower pressure boilers

• Alloy steel is used for higher pressure boilers

• Stainless steel is used for corrosion resistance in boilers

• Materials must meet specific standards like ASTM A516 for carbon steel

The welding process used in water wall panels is typically TIG welding.

• TIG welding is commonly used for water wall panels due to its precision and clean welds

• TIG welding helps prevent contamination in the weld area, which is crucial for water wall panels

• Other welding processes like MIG welding or submerged arc welding may also be used depending on the specific requirements