Krishna Maruti QA QC Engineer Interview Questions and Answers

The 7 QC tools are a set of basic statistical tools used for quality control and improvement in manufacturing and service industries.

• Check sheet: Used to collect and organize data in a systematic way.

• Histogram: Represents data distribution visually.

• Pareto chart: Helps identify the most significant factors contributing to a problem.

• Cause-and-effect diagram (Ishikawa or fishbone diagram): Identifies potential causes of a...read more

5S is a methodology used to organize a workplace for efficiency and effectiveness by identifying, sorting, setting in order, shining, and sustaining.

• Sort: Remove unnecessary items from the workplace

• Set in order: Organize remaining items in a logical manner

• Shine: Clean and inspect the workplace regularly

• Standardize: Establish procedures and schedules for maintaining the first 3 S's

• Sustain: Ensure the practices are consi...read more

4M is a method used in quality management to identify and address potential issues in a process.

• 4M stands for Man, Machine, Material, and Method.

• It is used to analyze and improve processes by considering the impact of these four factors.

• For example, in manufacturing, 4M can help identify if a quality issue is due to human error, machine malfunction, material defects, or the method of production.

TPM stands for Total Productive Maintenance, a proactive approach to maintenance involving all employees to improve equipment effectiveness.

• TPM focuses on maximizing equipment effectiveness through proactive maintenance

• The pillars of TPM include autonomous maintenance, planned maintenance, quality maintenance, focused improvement, early equipment management, and training & education

• Example: Implementing autonomous main...read more

JH stands for Job Hazard Analysis, a process used to identify and mitigate potential hazards in the workplace.

• JH is a systematic process for identifying potential hazards in a job task or process.

• It involves breaking down the job into steps, identifying potential hazards at each step, and implementing controls to mitigate those hazards.

• Examples of hazards that may be identified through JH include exposure to harmful ch...read more