Senior Production Engineer

100+ Senior Production Engineer Interview Questions and Answers

Updated 27 Feb 2025

Q51. What is the OEE of our plant. Ans is 85%

Ans.

The OEE of the plant is 85%.

  • OEE stands for Overall Equipment Effectiveness.

  • It is a measure of how well a manufacturing process is performing.

  • It takes into account three factors: availability, performance, and quality.

  • An OEE of 85% is considered to be a good score.

  • It means that the plant is operating efficiently and effectively.

Q52. Material consumption in one month. Ans Approx 100 tons

Ans.

Approximately 100 tons of material is consumed in one month.

  • The material type and source should be identified.

  • The consumption rate should be monitored regularly.

  • Efforts should be made to reduce material waste.

  • The cost of material consumption should be analyzed.

Q53. How to resolve customer complaint

Ans.

Listen to the complaint, empathize with the customer, investigate the issue, offer a solution, follow up to ensure satisfaction.

  • Listen actively to the customer's complaint without interrupting

  • Empathize with the customer and acknowledge their frustration

  • Investigate the issue to understand the root cause

  • Offer a solution that addresses the customer's concerns

  • Follow up with the customer to ensure their satisfaction with the resolution

Q54. Shrinkage defect and it's prevention process.

Ans.

Shrinkage defect is a common casting defect caused by the solidification of metal.

  • Shrinkage defect occurs when the metal solidifies and shrinks before filling the entire mold cavity.

  • It can be prevented by increasing the pouring temperature, using risers, and modifying the mold design.

  • Proper gating and venting can also help prevent shrinkage defects.

  • Examples of shrinkage defects include shrinkage porosity and shrinkage cavity.

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Q55. How many materics we are you use

Ans.

I use a variety of metrics to track production efficiency and quality.

  • I use metrics such as OEE (Overall Equipment Efficiency), cycle time, downtime, scrap rate, and yield.

  • These metrics help me identify areas for improvement and track the success of implemented changes.

  • For example, I may use OEE to measure the overall effectiveness of a production line, while cycle time helps me understand the time it takes to complete a specific task.

Q56. How to you manage process there

Ans.

I manage processes by implementing efficient workflows, monitoring performance metrics, and continuously improving procedures.

  • Implementing efficient workflows to streamline production processes

  • Monitoring key performance metrics to identify areas for improvement

  • Continuously improving procedures through feedback and data analysis

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Q57. What is ur scrap rejection percentage

Ans.

My scrap rejection percentage is currently at 2%, which is well below industry standards.

  • Current scrap rejection percentage is 2%

  • Below industry standards

  • Continuous improvement efforts in place to reduce further

Q58. How to control rejection?

Ans.

Rejection can be controlled by identifying the root cause and implementing corrective actions.

  • Identify the root cause of rejection through analysis of rejection data.

  • Implement corrective actions to address the root cause.

  • Train employees on proper procedures and quality standards.

  • Regularly monitor rejection rates and take necessary actions to improve.

  • Collaborate with suppliers to improve quality of incoming materials.

  • Implement quality control checks at various stages of produc...read more

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Q59. What is oee ? How to calculate oee

Ans.

OEE stands for Overall Equipment Effectiveness. It is a measure of how well a manufacturing process is performing.

  • OEE is calculated by multiplying Availability, Performance, and Quality.

  • Availability = (Operating Time / Planned Production Time) * 100%

  • Performance = (Ideal Cycle Time / Total Cycle Time) * 100%

  • Quality = (Good Count / Total Count) * 100%

  • OEE = Availability * Performance * Quality

  • For example, if a machine operates for 8 hours out of a planned 10 hours, with a perfor...read more

Q60. Types of materials and various manufacturing processes and lean tools

Ans.

Materials used in manufacturing processes include metals, plastics, ceramics, and composites. Various manufacturing processes include casting, machining, forming, and welding. Lean tools such as 5S, Kanban, and Value Stream Mapping are used to improve efficiency.

  • Materials used in manufacturing processes: metals, plastics, ceramics, composites

  • Various manufacturing processes: casting, machining, forming, welding

  • Lean tools: 5S, Kanban, Value Stream Mapping

Q61. Tell me about lean manufacturing

Ans.

Lean manufacturing is a systematic approach to identifying and eliminating waste in the production process.

  • Focuses on continuous improvement

  • Involves all employees in the process

  • Reduces lead time and inventory

  • Uses tools such as value stream mapping and 5S

  • Examples include Toyota Production System and Kaizen

Q62. How to handle the Manpower

Ans.

Manpower can be handled by effective communication, training, motivation, and delegation of tasks.

  • Establish clear communication channels to ensure everyone is aware of their roles and responsibilities

  • Provide adequate training to ensure employees have the necessary skills to perform their tasks

  • Motivate employees through recognition, rewards, and a positive work environment

  • Delegate tasks based on individual strengths and abilities to maximize productivity

  • Regularly evaluate perf...read more

Q63. How to calculate production out put

Ans.

Production output can be calculated by multiplying the number of units produced by the standard hours per unit.

  • Calculate the number of units produced during a specific time period.

  • Determine the standard hours per unit required for production.

  • Multiply the number of units produced by the standard hours per unit to get the production output.

Q64. what is your current work? all process flow

Ans.

I am currently responsible for overseeing all process flow in the production department.

  • Monitoring and optimizing production processes

  • Troubleshooting any issues that arise in the production line

  • Implementing improvements to increase efficiency and quality

  • Collaborating with other departments to ensure smooth operations

Q65. How to reduce fix cost and variable Cost

Ans.

To reduce fix and variable costs, focus on optimizing processes, reducing waste, negotiating with suppliers, and improving efficiency.

  • Optimize processes to eliminate inefficiencies and reduce costs

  • Reduce waste by implementing lean manufacturing principles

  • Negotiate with suppliers for better pricing and terms

  • Improve efficiency through automation and technology

  • Regularly review and analyze costs to identify areas for savings

Q66. What is OEE & how to calculate OEE

Ans.

OEE stands for Overall Equipment Effectiveness, a measure of how well a manufacturing process is performing.

  • OEE is calculated by multiplying Availability, Performance, and Quality percentages.

  • Availability = (Operating Time / Planned Production Time) * 100

  • Performance = (Ideal Cycle Time / Total Cycle Time) * 100

  • Quality = (Good Count / Total Count) * 100

  • OEE = Availability * Performance * Quality

  • For example, if a machine operates for 8 hours out of a planned 10 hours, with an id...read more

Q67. What is Productivity ,cycle time

Ans.

Productivity is the measure of output produced per unit of input, while cycle time is the total time taken to complete a process.

  • Productivity is a measure of efficiency, calculated as output divided by input.

  • Cycle time is the total time taken to complete a process, from start to finish.

  • Improving productivity often involves reducing cycle times through process optimization.

  • For example, in manufacturing, productivity can be increased by reducing the cycle time for producing a p...read more

Q68. How is DPI performed?

Ans.

DPI (Dynamic Positioning Interface) is performed by using a control system to automatically maintain a vessel's position and heading.

  • DPI uses a combination of sensors, thrusters, and a control system to keep the vessel in a specific location.

  • The control system continuously adjusts the thrusters based on input from sensors like GPS, wind sensors, and gyrocompass.

  • DPI is commonly used in offshore drilling rigs, research vessels, and cruise ships to maintain position without anch...read more

Q69. What is the performance testing

Ans.

Performance testing is the process of determining the speed, responsiveness, and stability of a system under a specific workload.

  • Performance testing helps identify bottlenecks and optimize system performance.

  • It involves measuring response times, throughput, and resource utilization.

  • Examples include load testing, stress testing, and scalability testing.

  • Performance testing is crucial for ensuring a system can handle expected user loads without issues.

Q70. Do you know about paintingprocess

Ans.

Yes, I am familiar with the painting process in manufacturing.

  • The painting process involves surface preparation, application of primer, base coat, and top coat, and curing.

  • Different painting methods include spray painting, powder coating, and electrostatic painting.

  • Quality control measures such as thickness measurement, adhesion testing, and visual inspection are important in the painting process.

Q71. What is QCC and PPM, PPM how can reduce

Ans.

QCC stands for Quality Control Circle and PPM stands for Parts Per Million. PPM can be reduced by improving quality control processes.

  • QCC is a group of employees who work together to identify and solve quality-related problems in their workplace.

  • PPM is a measure of the number of defective parts in a million parts produced.

  • Reducing PPM involves improving quality control processes, such as implementing statistical process control and conducting regular quality audits.

  • By reducin...read more

Q72. What is quality core tool?

Ans.

Quality core tools are a set of standardized methods and techniques used to ensure product quality and process efficiency.

  • Quality core tools include techniques such as FMEA, SPC, and PPAP.

  • They are used to identify and prevent potential quality issues, monitor and control processes, and validate product design and production.

  • These tools are widely used in industries such as automotive, aerospace, and manufacturing.

  • They help to improve product quality, reduce costs, and increas...read more

Q73. How you decrease labor cost

Ans.

Labor cost can be decreased by implementing automation, optimizing processes, outsourcing non-core tasks, and cross-training employees.

  • Implement automation to reduce manual labor requirements

  • Optimize processes to increase efficiency and reduce labor hours

  • Outsource non-core tasks to lower cost regions or specialized vendors

  • Cross-train employees to handle multiple roles and tasks effectively

Q74. How increase the production

Ans.

To increase production, optimize processes, improve efficiency, and invest in technology.

  • Analyze current production processes and identify areas for improvement

  • Implement lean manufacturing principles to reduce waste and increase efficiency

  • Invest in new technology and equipment to automate processes and increase output

  • Train and develop employees to improve skills and knowledge

  • Implement a performance management system to track progress and identify areas for improvement

Q75. How ti save the cost.

Ans.

Cost can be saved by optimizing processes, reducing waste, and negotiating better prices.

  • Optimize production processes to reduce time and labor costs

  • Reduce waste by implementing lean manufacturing principles

  • Negotiate better prices with suppliers

  • Implement cost-saving measures such as energy-efficient equipment

  • Outsource non-core activities to reduce overhead costs

Q76. What is the TAKT TIME & LINE BALANCING

Ans.

Takt time is the rate at which a product must be produced to meet customer demand. Line balancing is the process of evenly distributing work among production line stations.

  • Takt time is calculated as available production time divided by customer demand.

  • Line balancing involves assigning tasks to workstations to ensure each station has a similar amount of work.

  • Example: If a production line has a takt time of 10 minutes and 5 workstations, each workstation should complete its tas...read more

Q77. What is meant by OEE AND TPM

Ans.

OEE stands for Overall Equipment Effectiveness and TPM stands for Total Productive Maintenance.

  • OEE is a measure of how well a manufacturing process is utilized, taking into account availability, performance, and quality.

  • TPM is a proactive approach to maintenance that aims to maximize equipment effectiveness and minimize downtime.

  • Both OEE and TPM are important tools in improving productivity and efficiency in manufacturing operations.

Q78. Education electricity bill showing calculation

Ans.

The question is asking for the calculation of an electricity bill based on education.

  • The calculation of an electricity bill typically involves determining the energy consumption and applying the applicable rate.

  • For education purposes, the electricity bill may include usage in schools, colleges, or other educational institutions.

  • The bill may also consider any special rates or discounts provided for educational facilities.

  • Examples of data needed for the calculation include the ...read more

Q79. what is lob how to find out it

Ans.

Lob stands for Line of Balance, a scheduling technique used in production engineering.

  • Lob is a scheduling technique that helps in optimizing production processes by balancing the workload over time.

  • It involves dividing the production process into smaller tasks and assigning resources accordingly.

  • By using Lob, production engineers can identify bottlenecks, optimize resource allocation, and improve overall efficiency.

  • Example: A production engineer uses Lob to create a detailed ...read more

Q80. How to handel shift...?

Ans.

Handling shift requires effective time management, communication, and adaptability.

  • Create a schedule to ensure smooth transition between shifts

  • Communicate important information to the incoming shift

  • Delegate tasks and responsibilities clearly

  • Stay organized and prioritize tasks

  • Be adaptable and flexible to handle unexpected situations

  • Maintain good work-life balance to avoid burnout

Q81. How to find heat duty?

Ans.

Heat duty can be found by calculating the amount of heat required to raise the temperature of a substance or system.

  • Determine the mass of the substance or system

  • Determine the specific heat capacity of the substance

  • Determine the change in temperature

  • Use the formula Q = mcΔT to calculate the heat duty

  • Q = heat duty, m = mass, c = specific heat capacity, ΔT = change in temperature

Q82. PRODUCTION PROCESS AND APPLICATION

Ans.

Production process and application involve the steps and methods used to manufacture products and their practical uses.

  • Production process includes planning, designing, prototyping, testing, and manufacturing.

  • Application involves determining the practical uses of the product and how it can benefit the end-user.

  • Production process and application are interdependent and require collaboration between engineers, designers, and marketing teams.

  • Examples include the production of auto...read more

Q83. What is lean manufacturing

Ans.

Lean manufacturing is a systematic method for eliminating waste within a manufacturing process to improve efficiency and quality.

  • Focuses on continuous improvement

  • Eliminates waste in all forms (time, resources, etc.)

  • Employs tools like 5S, Kanban, and value stream mapping

  • Involves all employees in the process of identifying and solving problems

  • Aims to deliver maximum value to customers with minimum waste

Q84. Adjust manpower with communication...

Ans.

Adjusting manpower with effective communication is crucial for Sr. production Engineers.

  • Regularly communicate with team members to understand their workload and availability

  • Identify areas where additional manpower is needed and communicate this to management

  • Ensure clear and concise communication of tasks and responsibilities to avoid confusion

  • Encourage open communication and feedback to address any manpower issues

  • Utilize communication tools and platforms to facilitate effecti...read more

Q85. Troubleshooting of CNC programming

Ans.

Troubleshooting CNC programming involves identifying and resolving errors in the code.

  • Check for syntax errors in the code

  • Verify that the correct tool paths are being used

  • Ensure that the machine is properly calibrated

  • Inspect the tooling for wear or damage

  • Monitor the machine during operation for any abnormalities

Q86. How to make heat exchanger.

Ans.

Heat exchangers can be made using various materials and designs depending on the application.

  • Determine the type of heat exchanger needed based on the application

  • Select appropriate materials for the heat exchanger based on temperature, pressure, and fluid compatibility

  • Design the heat exchanger based on heat transfer requirements and available space

  • Fabricate the heat exchanger using welding, brazing, or other methods

  • Test the heat exchanger for leaks and performance before insta...read more

Q87. What Is meant by FMEA

Ans.

FMEA stands for Failure Mode and Effects Analysis, a systematic method for identifying and preventing potential failures in a process or product.

  • FMEA is a proactive approach used to analyze potential failure modes, their causes, and the effects of these failures.

  • It helps in prioritizing and addressing potential risks to improve reliability and safety.

  • FMEA involves identifying failure modes, determining their likelihood and severity, and developing mitigation strategies.

  • Exampl...read more

Q88. What is your DWM

Ans.

DWM stands for Daily Work Management, which involves planning, organizing, and executing daily tasks to ensure efficient production operations.

  • DWM involves creating daily schedules for production activities

  • It includes assigning tasks to team members and monitoring progress

  • Regularly updating and adjusting plans based on production needs

  • Examples: setting up daily production targets, coordinating with different departments for smooth operations

Q89. Introduction living residence family detail

Ans.

I am currently living in a spacious apartment with my wife and two children. We enjoy spending quality time together as a family.

  • Currently living in a spacious apartment

  • Living with wife and two children

  • Enjoy spending quality time together as a family

Q90. What is FIFO? What is Kanban?

Ans.

FIFO stands for First-In-First-Out. Kanban is a lean manufacturing system that uses visual cues to trigger action.

  • FIFO is a method of inventory management where the first item received is the first item to be used or sold.

  • Kanban is a system that uses visual signals to indicate when to produce or move items in a manufacturing process.

  • Kanban helps to reduce waste and improve efficiency by ensuring that production is aligned with demand.

  • FIFO is commonly used in industries such a...read more

Q91. What is LEL, uel , ld50 lc50

Ans.

LEL stands for Lower Explosive Limit, UEL stands for Upper Explosive Limit, LD50 is the lethal dose for 50% of the population, LC50 is the lethal concentration for 50% of the population.

  • LEL is the lowest concentration of a gas or vapor in air that is capable of producing a flash of fire in presence of an ignition source.

  • UEL is the highest concentration of a gas or vapor in air that will burn or explode if an ignition source is present.

  • LD50 is the amount of a substance that, w...read more

Q92. What is quality core tools

Ans.

Quality core tools are a set of techniques and methodologies used to ensure product quality and process improvement in manufacturing.

  • Quality core tools include tools like Failure Mode and Effects Analysis (FMEA), Control Plans, Statistical Process Control (SPC), and Measurement Systems Analysis (MSA).

  • These tools help identify potential failure modes, develop control plans to prevent defects, monitor process variability, and ensure measurement accuracy.

  • By using quality core to...read more

Q93. What is 8d,7qctools FMEA ,cp

Ans.

8D, 7QC tools, FMEA, and CP are problem-solving methodologies used in manufacturing.

  • 8D is an eight-step problem-solving process used to identify, correct, and prevent problems.

  • 7QC tools are seven basic quality control tools used to identify and solve quality problems.

  • FMEA is a failure mode and effects analysis used to identify and prevent potential failures.

  • CP is a process capability analysis used to determine if a process is capable of meeting customer requirements.

Q94. Seven years experience in production.line

Ans.

Yes, I have seven years of experience in production line.

  • Managed production line operations for seven years

  • Implemented process improvements to increase efficiency

  • Trained and supervised production staff

  • Ensured quality control measures were met

  • Collaborated with cross-functional teams to optimize production processes

Q95. Plastic raw materials process conditions

Ans.

Plastic raw materials process conditions

  • Process conditions include temperature, pressure, and time

  • Different types of plastic require different process conditions

  • Process conditions can affect the final properties of the plastic product

Q96. What is least count?

Ans.

Least count is the smallest value that can be measured by an instrument.

  • Least count is a measure of the precision of an instrument.

  • It is the smallest unit of measurement that can be detected by the instrument.

  • It determines the accuracy and resolution of the instrument.

  • For example, the least count of a ruler with millimeter markings is 1 mm.

  • In engineering, least count is important for ensuring accurate measurements and calculations.

Q97. Lithium-ion battery rework process

Ans.

The lithium-ion battery rework process involves disassembling, inspecting, repairing, and reassembling batteries to ensure functionality and safety.

  • Disassemble the battery carefully to access the internal components

  • Inspect each component for damage or defects

  • Repair any issues found, such as replacing damaged cells or connectors

  • Reassemble the battery following proper safety protocols

  • Test the reworked battery to ensure it functions correctly

Q98. Which type of pc firing

Ans.

PC firing refers to the type of firing system used in a power plant's boiler to ignite the fuel.

  • PC firing stands for Pulverized Coal firing, where coal is ground into fine powder before being injected into the boiler combustion chamber

  • It is a common method used in coal-fired power plants to efficiently burn coal and generate steam for electricity production

  • Other types of firing systems include fluidized bed combustion and stoker firing

Q99. please explain about lean manufacturing

Ans.

Lean manufacturing is a systematic method for minimizing waste within a manufacturing system without sacrificing productivity.

  • Focuses on eliminating waste in processes such as overproduction, waiting, transportation, extra processing, inventory, motion, and defects

  • Involves continuous improvement and respect for people

  • Uses tools like value stream mapping, 5S, kanban, and just-in-time production

  • Promotes efficiency, quality, and customer satisfaction

  • Example: Toyota Production Sy...read more

Q100. What is red bin process

Ans.

The red bin process is a method used in manufacturing to segregate defective or non-conforming products for further analysis and disposition.

  • Red bins are typically used to visually identify products that have failed quality control inspections.

  • Products placed in red bins are usually tagged with information such as the reason for rejection and the date of identification.

  • The red bin process helps in preventing defective products from being mixed with good products and ensures p...read more

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