EBARA Machinery India Design Engineer Interview Questions and Answers

Q1. Manufacturing Processes, Milling operations, Single pint cutting tool, Multi Point Cutting tool, Plastic Processing, Snaps, Fits assembly, Solidworks command.
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Q2. Types of Plastics and Plastic injection molding, Molds parts, Ejectors, Parting lines, Sink marks and other defects.
Ans. 
Plastic injection molding involves various types of plastics, molds, ejectors, parting lines, sink marks, and defects.
• Types of plastics used in injection molding include ABS, polycarbonate, nylon, and polypropylene.

• Molds are made of steel or aluminum and consist of two halves that create the parting line.

• Ejectors are used to remove the part from the mold and can leave marks on the part.

• Sink marks occur when the plastic...read more
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Q1. Ofdm, equalization, estimation
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Q1. What are the seven quality control tools, and can you provide explanations for each?
Ans. 
The seven quality control tools are essential for process improvement and problem-solving in engineering.
• Check sheet: Used to collect and analyze data in a systematic way, such as tracking defects in a manufacturing process.

• Pareto chart: Helps identify the most significant factors contributing to a problem by displaying them in descending order of frequency or impact.

• Cause-and-effect diagram (Fishbone diagram): Visuali...read more
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Q2. 5S and visual management
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Q3. What are the seven steps of autonomous maintenance?
Ans. 
Autonomous maintenance is a key pillar of Total Productive Maintenance (TPM) and involves seven steps to empower operators to take care of their equipment.
• Step 1: Initial Cleaning - Operators clean the equipment and surrounding area to identify abnormalities.

• Step 2: Eliminate Sources of Contamination - Remove dirt, dust, and debris that can lead to breakdowns.

• Step 3: General Inspection - Operators visually inspect the ...read more
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Q4. What are the calculations involved in Overall Equipment Effectiveness (OEE)?
Ans. 
OEE calculations involve Availability, Performance, and Quality factors to measure equipment efficiency.
• Calculate Availability by dividing Operating Time by Planned Production Time.

• Calculate Performance by dividing Actual Production by Maximum Possible Production.

• Calculate Quality by dividing Good Units Produced by Total Units Started.
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Q5. Why is it mandatory for an organization to implement lean practices?
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Implementing lean practices is mandatory for organizations to improve efficiency, reduce waste, and increase productivity.
• Lean practices help organizations identify and eliminate waste in processes, leading to cost savings and improved efficiency.

• By implementing lean practices, organizations can improve quality control and reduce defects in products or services.

• Lean practices promote continuous improvement and empower ...read more
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Q6. How can downstream team members be motivated?
Ans. 
Downstream team members can be motivated through recognition, clear communication, opportunities for growth, and fostering a positive work environment.
• Provide recognition for their hard work and achievements

• Communicate clearly about goals, expectations, and feedback

• Offer opportunities for growth and development, such as training or mentorship programs

• Create a positive work environment through team-building activities a
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Q7. What is Pareto analysis and how is it applied in decision-making processes?
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Pareto analysis is a technique used to identify the most important factors contributing to a problem or situation.
• Pareto analysis is based on the Pareto Principle, also known as the 80/20 rule, which states that roughly 80% of effects come from 20% of causes.

• It involves identifying and prioritizing the factors that have the most significant impact on a particular outcome.

• By focusing on addressing the most critical fact...read more
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Q8. What is a Gemba walk, and how is it performed?
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A Gemba walk is a Lean management technique where managers go to the actual workplace to observe operations and engage with employees.
• Gemba walks involve observing processes, asking questions, and identifying opportunities for improvement.

• Managers should focus on understanding the work being done and the challenges faced by employees.

• Gemba walks help in building relationships with employees and fostering a culture of c...read more
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Q9. What are the steps involved in performing safety risk assessments?
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Steps involved in performing safety risk assessments
• Identify hazards and potential risks

• Assess the likelihood and severity of each risk

• Implement control measures to mitigate risks

• Monitor and review the effectiveness of control measures

• Document findings and recommendations

• Communicate risks to relevant stakeholders
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Q10. Explain about TPM
Ans. 
TPM stands for Total Productive Maintenance, a proactive approach to maintenance that aims to maximize equipment effectiveness.
• TPM focuses on preventing equipment breakdowns through regular maintenance and employee involvement.

• It involves autonomous maintenance, planned maintenance, and focused improvement activities.

• TPM aims to improve overall equipment effectiveness (OEE) by reducing downtime, improving quality, and ...read more
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Q1. Ofdm, equalization, estimation
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Q1. Details of UVM and System Verilog blocking and non blocking assignment
Ans. 
UVM is a methodology for verifying complex designs using SystemVerilog. Blocking assignments execute sequentially, while non-blocking assignments execute concurrently.
• UVM (Universal Verification Methodology) is a standardized methodology for verifying complex designs in SystemVerilog.

• Blocking assignments in SystemVerilog execute sequentially, meaning the next statement waits for the current statement to finish.

• Non-bloc...read more
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Q1. Where do you see yourself in 5 years and strength and weakness
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We had an aptitude test which had questions from programming and basic aptitude

Q1. Basic questions were asked related to programming and the projects that I had mentioned in my Resumè
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Q1. Questions asked based on my knowledge of WLAN and antennas
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Q1. Why do you want to work for Samsung Semiconductor?
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Questions on my previous relevant experience