Sigma Electric Manufacturing Corporation Senior Engineer Interview Questions and Answers

I have achieved several milestones throughout my career as a Senior Engineer.

• Successfully led a team of engineers to develop and implement a new software system, resulting in a 20% increase in efficiency.

• Received recognition for designing and implementing a cost-effective solution that reduced production downtime by 30%.

• Contributed to the development of a groundbreaking technology that revolutionized the industry, lead...read more

Die casting and machining defects are common in manufacturing processes.

• Die casting defects include porosity, shrinkage, cold shuts, and flash.

• Machining defects include burrs, chatter marks, and tool marks.

• Die casting defects can be caused by improper temperature, pressure, or metal flow.

• Machining defects can be caused by dull tools, improper speeds and feeds, or poor fixturing.

• Defects can lead to part failure, reduced

Filling and high speed ratio formula is used to calculate the filling time of a container with a specific volume of liquid at a given flow rate.

• Filling and high speed ratio formula is V/Q

• V is the volume of the container and Q is the flow rate of the liquid

• The formula is used to determine the time it takes to fill a container with a specific volume of liquid at a given flow rate

• The higher the flow rate, the faster the c

The 7 QC tools are a set of basic quality control tools used to identify and solve quality problems.

• Check sheets

• Control charts

• Histograms

• Pareto charts

• Scatter diagrams

• Stratification

• Cause-and-effect diagrams

As a Quality Engineer in my previous company, I was responsible for ensuring product quality, conducting audits, and implementing quality control processes.

• Conducted product quality inspections and audits

• Implemented quality control processes to improve product quality

• Analyzed data to identify areas for improvement

• Collaborated with cross-functional teams to address quality issues

• Ensured compliance with industry standard

QA focuses on preventing defects while QC focuses on identifying and fixing defects.

• QA is a proactive process that involves planning, designing, and executing tests to prevent defects from occurring.

• QC is a reactive process that involves identifying defects through testing and then fixing them.

• QA is focused on the entire software development life cycle while QC is focused on the testing phase.

• Examples of QA activities ...read more