Hitachi Astemo PPC Engineer Interview Questions and Answers

Q1. What is fixture and jigs
Ans. 
Fixtures and jigs are tools used in manufacturing to hold and guide workpieces during machining or assembly processes.
• Fixtures are devices used to securely hold workpieces in place during machining operations

• Jigs are tools that guide cutting tools or other machinery during operations

• Fixtures and jigs help ensure accuracy, repeatability, and efficiency in manufacturing processes

• Examples include drill jigs for guiding dr...read more
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Q2. What is preventive maintenance
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Preventive maintenance is the practice of regularly inspecting, cleaning, and servicing equipment to prevent breakdowns and prolong its lifespan.
• Regularly scheduled inspections and maintenance tasks are performed to identify and address potential issues before they become major problems.

• Examples include changing air filters in HVAC systems, lubricating moving parts in machinery, and checking for leaks in plumbing syste...read more
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Q1. What is computer aided design
Ans. 
Computer aided design (CAD) is the use of computer software to create, modify, analyze, and optimize designs for various industries.
• CAD allows engineers and designers to create 2D or 3D models of products or structures.

• It helps in visualizing and simulating designs before they are physically built.

• CAD software can be used in industries such as automotive, aerospace, architecture, and manufacturing.

• Examples of CAD softw
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Q2. What is computer aided manufacturing
Ans. 
Computer aided manufacturing (CAM) is the use of software to control machine tools and related machinery in the manufacturing of workpieces.
• CAM software generates toolpaths and instructions for machines to follow during the manufacturing process.

• CAM systems can be used for various processes such as milling, turning, and laser cutting.

• CAM helps in automating and optimizing the manufacturing process, leading to increased...read more
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Q1. What is your J.D
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Q2. How to handle manpower in shift
Ans. 
Manpower in shift can be handled by proper planning, communication, training, and monitoring.
• Create a shift schedule that ensures adequate coverage and proper distribution of workload.

• Communicate clearly with employees about their shift timings, responsibilities, and expectations.

• Provide training to employees on their roles and responsibilities during the shift.

• Monitor the performance and productivity of employees duri...read more
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Q1. Tell me about your self
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Q2. Why you want to switch
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Q3. Past Experience
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Q4. Salary expected
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Q1. Related to Quality assurance
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Q2. 8D analysis steps
Ans. 
8D analysis is a problem-solving method used to identify, correct, and prevent recurring problems.
• Define the problem

• Form a team

• Containment actions

• Root cause analysis

• Corrective actions

• Implement permanent corrective actions

• Prevent recurrence

• Recognize team efforts
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Q3. 7QC tools steps
Ans. 
The 7QC tools are a set of quality control tools used for problem-solving and process improvement.
• Identify the problem or process to be improved

• Collect data related to the problem

• Display data visually using tools like histograms or scatter plots

• Analyze the data to identify root causes of the problem

• Brainstorm and implement solutions

• Monitor the results of the implemented solutions

• Standardize the process to prevent recur
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Q4. How to handle warranty parts
Ans. 
Warranty parts should be properly documented, tracked, and analyzed to identify trends and improve product quality.
• Create a system to track warranty parts including serial numbers, dates, and reasons for return

• Analyze warranty parts data to identify common issues and trends

• Work with suppliers to address recurring issues and improve product quality

• Implement corrective actions based on warranty parts analysis to prevent
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Any one past experience for quality issue

Q1. What is the combustion chamber ,?
Ans. 
The combustion chamber is where fuel and air are mixed and burned in an internal combustion engine.
• It is a part of an internal combustion engine where the fuel-air mixture is ignited and burned.

• The combustion chamber is designed to contain and control the combustion process.

• It is typically located within the cylinder head of an engine.

• The shape and design of the combustion chamber can affect engine performance and effi
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Q2. Explain the refrigerant system?.
Ans. 
Refrigerant system is a closed loop system that absorbs heat from a low-temperature area and releases it in a high-temperature area.
• Refrigerant circulates through the system to absorb and release heat

• Compressor increases the pressure of the refrigerant gas

• Condenser cools the refrigerant gas into a liquid

• Expansion valve reduces the pressure of the liquid refrigerant

• Evaporator absorbs heat from the surrounding area to co...read more
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Easy and pretty good

Q1. Tell me about yourself ?
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Q1. Explain project
Ans. 
The project involved designing and implementing a new production process to improve efficiency and reduce costs.
• Identify areas for improvement in current production process

• Research and analyze different production methods and technologies

• Design and implement new production process

• Test and optimize the new process for efficiency and cost-effectiveness
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Q2. Explain overcoming
Ans. 
Overcoming is the act of successfully dealing with or overcoming a challenge, obstacle, or difficulty.
• Identifying the challenge or obstacle

• Developing a plan or strategy to address it

• Taking action to implement the plan

• Persisting through setbacks or failures

• Learning from the experience to improve future outcomes
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Q1. Production engineering injection molding and assembly manufacturing company
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Standard online aptitude tests with some written questions

Group assessment day, lasted 4 hours, group tasks followed by one-on-one