Aero Digital World Interview Questions and Answers

I am proficient in ASME and ISO standards.

• I have extensive knowledge of ASME B31.3 and B31.1 codes for piping and pressure vessels.

• I am also well-versed in ISO 9001 quality management system standards.

• I have experience in implementing and maintaining quality control procedures based on these standards.

• I am familiar with IS and BSEN standards, but not as proficient as ASME and ISO.

Explaining tolerance of cover block, number of samples in cubes and soil filling in layers.

• Tolerance of cover block is the permissible deviation from the specified dimension.

• We take 03nos of pieces in cubes for steel testing to ensure accuracy and consistency.

• Soil filling in maximum 300mm layer is done to ensure proper compaction and avoid settlement issues.

Durability of concrete depends on various factors such as quality of materials, mix design, curing, and environmental conditions.

• Durability is the ability of concrete to resist weathering action, chemical attack, and abrasion.

• Factors affecting durability include water-cement ratio, air content, aggregate quality, and curing conditions.

• Concrete with low water-cement ratio and proper curing can have a lifespan of over 100 years.

• Environmental conditions such as freeze-thaw cycle...read more

If 02 pieces pass or 01 falls within +10mm tolerance of cover block, it is considered a sample pass.

• A tolerance of +10mm is allowed for cover block.

• If 02 pieces pass or 01 falls within the tolerance limit, it is considered a sample pass.

• If more than 01 piece falls outside the tolerance limit, it is considered a sample fail.

Site validation in specification knowledge and procedures for field work is essential for QA QC Engineers.

• Understanding the specifications and requirements for each site is crucial

• Following established procedures and protocols for field work

• Ensuring that all work is in compliance with industry standards and regulations

• Regularly updating knowledge on new technologies and best practices

• Documenting all validation processes and results for future reference

Hydrotest and pneumatic test are methods used to test the integrity of piping systems.

• Hydrotest involves filling the piping system with water and pressurizing it to a specified level for a set duration.

• Pneumatic test involves filling the piping system with compressed air or nitrogen and pressurizing it to a specified level for a set duration.

• Both tests are used to ensure that the piping system can withstand the expected operating pressure without leaking or rupturing.

• Hydrotes...read more

Process piping works involve the installation, inspection, and maintenance of pipes used in industrial processes.

• Process piping works include the design, fabrication, and installation of pipes for conveying fluids or gases in industrial settings.

• QA QC engineers ensure that the piping systems meet the required standards and specifications.

• Inspection and testing of process piping is done to check for leaks, pressure, and flow rate.

• Maintenance of process piping involves regular ...read more

A mix design for concrete with a compressive strength of 4000 psi.

• Use Portland cement type I or II

• Aggregate should be a mix of coarse and fine aggregates

• Water-cement ratio should be between 0.4 to 0.6

• Additives such as fly ash or silica fume can be used to improve strength and durability