Tech Mahindra Senior Quality Engineer Interview Questions, Process, and Tips

Profile of surface refers to the 3D deviation of a surface from its perfect form, while Profile of line refers to the 2D deviation of a line from its perfect form.

• Profile of surface is a 3D measurement, while Profile of line is a 2D measurement

• Profile of surface considers the entire surface, while Profile of line focuses on a specific line on the surface

• Profile of surface is used to evaluate the overall shape and form ...read more

Sheet metal parts can be measured using various tools and techniques to ensure accuracy and quality.

• Use calipers to measure dimensions such as length, width, and thickness.

• Utilize a micrometer for more precise measurements of thickness.

• Perform a visual inspection to check for any defects or imperfections.

• Use a coordinate measuring machine (CMM) for complex geometries and tight tolerances.

• Verify measurements against eng...read more

Yes, sheet metal parts often require fixtures to hold them in place during manufacturing processes.

• Sheet metal parts often have complex shapes that require fixtures to ensure accurate and consistent manufacturing.

• Fixtures can be custom-designed to hold the sheet metal parts securely in place during processes such as cutting, bending, and welding.

• Common types of fixtures for sheet metal parts include clamps, jigs, and s...read more

Cp and Cpk are process capability indices used to measure how well a process is performing within specification limits.

• Cp measures how well the process spread fits within the specification limits

• Cpk measures how centered the process is between the specification limits

• Cp and Cpk are calculated using the formula: Cp = (USL - LSL) / (6 * standard deviation) and Cpk = min((USL - mean) / (3 * standard deviation), (mean - LS...read more