IRON TRIANGLE LIMITED (BACK BONE OFFICE) Senior QA QC Engineer Interview Questions and Answers

Soil compactor drum thickness is an important factor for compaction efficiency and durability.

• The drum thickness of a soil compactor is typically between 0.5 to 1 inch.

• Thicker drums are more durable and can withstand heavier loads.

• The material of the drum also affects its thickness and durability, with steel drums being thicker than plastic ones.

• Regular maintenance and inspection of the drum thickness is important to e

Preventive maintenance of excavator involves regular inspections, lubrication, and replacement of worn parts to ensure optimal performance and longevity.

• Regularly inspecting the excavator for signs of wear and tear

• Lubricating moving parts to prevent friction and reduce wear

• Replacing worn out parts such as filters, belts, and hoses

• Checking fluid levels and topping up as needed

• Cleaning the excavator to prevent buildup of...read more

Welding WPS procedure involves creating a detailed document outlining the welding process to ensure quality and consistency.

• WPS stands for Welding Procedure Specification

• It includes details such as welding parameters, materials, preheat requirements, etc.

• WPS is essential for ensuring weld quality and meeting code requirements

• Examples of WPS documents include AWS D1.1 for structural steel welding

Alignment of rotating and static equipment is crucial for smooth operation and efficiency.

• Proper alignment ensures minimal vibration and wear on components

• Use precision tools like laser alignment systems for accurate alignment

• Regularly monitor and adjust alignment to prevent issues

• Improper alignment can lead to equipment failure and costly repairs

• Examples: aligning a motor shaft with a pump shaft in a water treatment p...read more

Chimney flue cane segment erection procedure involves assembling and installing individual segments of the chimney flue.

• Prepare the work area by ensuring it is clean and free of debris.

• Assemble the cane segments according to the manufacturer's instructions.

• Use appropriate tools and equipment to lift and position the segments into place.

• Secure the segments together using bolts or other fastening methods.

• Inspect the comp...read more

Quality lab and site test of concrete involves testing the strength, durability, and consistency of concrete samples.

• Quality lab tests include compressive strength test, slump test, air content test, and temperature test.

• Site tests involve sampling concrete from the construction site, conducting field tests like slump test and air content test, and monitoring curing conditions.

• Quality engineers ensure that concrete mee...read more