Raina Engineers Mumbai QA QC Engineer Interview Questions and Answers

Cable sizing calculation involves determining the appropriate size and type of cable based on current carrying capacity and voltage drop requirements.

• Calculate the current carrying capacity required for the load

• Determine the voltage drop allowed for the installation

• Select the appropriate type of cable based on installation environment and regulations

• Use cable sizing calculators or tables to find the suitable cable size

• ...read more

Lux level requirements for corridors and street lights vary based on the specific location and purpose of the area.

• Lux level requirements for corridors typically range from 50-200 lux depending on the usage and safety considerations.

• Lux level requirements for street lights can vary from 10-20 lux for residential areas to 20-50 lux for commercial areas.

• Factors such as the height of the light fixtures, spacing between fi...read more

GD&T symbols are used to specify geometric tolerances on engineering drawings.

• GD&T stands for Geometric Dimensioning and Tolerancing

• Symbols include: flatness, circularity, perpendicularity, concentricity, position, and more

• Each symbol has a specific meaning and is used to communicate precise tolerances for manufacturing

• GD&T is important for ensuring parts fit together correctly and function properly

Quality tools are techniques used to identify and solve quality-related problems.

• Pareto chart

• Fishbone diagram

• Control charts

• Histogram

• Scatter diagram

• Flowchart

• Check sheet

• Statistical process control