Tata Projects QA QC Engineer Interview Questions and Answers for Experienced

The required concrete aggregate crushing value is determined by testing the strength of the aggregate.

• The crushing value should not exceed a certain limit to ensure the quality of the concrete.

• It is typically measured using a compression testing machine.

• The standard limit for aggregate crushing value is usually around 30-45% for concrete used in construction.

Yes, I have conducted the highest grade of concrete in various construction projects.

• I have experience working with Grade 60 and Grade 80 concrete mixes.

• I have overseen the testing and quality control of Grade 100 concrete for a high-rise building project.

• I have ensured that the concrete mix design met the required specifications and standards for strength and durability.

I am open to discussing salary based on the responsibilities and requirements of the position.

• Salary expectations are based on industry standards and the specific job responsibilities.

• I am flexible and open to negotiation based on the overall compensation package.

• I am more focused on finding the right fit for my skills and experience rather than a specific salary number.

The concrete workability testing process involves evaluating the ease of placing, compacting, and finishing concrete.

• Conduct slump test to measure the consistency of fresh concrete.

• Perform flow table test to determine the flowability of self-compacting concrete.

• Use the Vebe test to assess the workability of concrete with vibration.

• Conduct compaction factor test to measure the workability of heavily reinforced concrete.

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