50+ Infomatrix Technologies Interview Questions and Answers

MHr stands for Man-Hour. Costing is done by calculating the total number of man-hours required for a task and multiplying it by the cost per hour.

• MHr stands for Man-Hour, which is a unit of measurement for the amount of work performed by an individual in one hour.

• Costing is done by determining the total number of man-hours required for a specific task or project.

• The cost per hour is then multiplied by the total number of man-hours to calculate the total cost.

• For example, if a...read more

High pressure die casting is a metal casting process in which molten metal is injected into a mold cavity under high pressure.

• Molten metal is injected into a mold cavity under high pressure

• The mold is made of two halves and is designed to create a specific shape

• The process is used to create complex shapes with high accuracy and surface finish

• Commonly used for manufacturing automotive parts, aerospace components, and consumer goods

FMEA is a method used during development to identify and mitigate potential failures in a system or process.

• FMEA stands for Failure Mode and Effects Analysis.

• It is a systematic approach to identify and prioritize potential failures in a system or process.

• FMEA helps in understanding the potential causes and effects of failures.

• It is used to assess the severity, occurrence, and detectability of failures.

• By analyzing failure modes, FMEA helps in developing strategies to prevent ...read more

To determine the machine and tool cost for a plastic part.

• Analyze the dimensions and material of the plastic part

• Identify the required tolerances and surface finish

• Consider the production volume and lead time

• Research the available machines and their capabilities

• Calculate the tooling cost based on the chosen machine

• Consider the maintenance and operating costs of the machine

DFT in painting stands for Dry Film Thickness.

• DFT is the thickness of the paint film after it has dried.

• It is measured using a coating thickness gauge.

• The DFT is important for ensuring proper protection and appearance of the painted surface.

• For example, a coating may require a minimum DFT of 2 mils to provide adequate corrosion protection.

• DFT can also affect the drying time and curing of the paint.

Excess DFT can lead to increased cost and longer production time.

• Excess DFT can lead to increased material usage and waste.

• It can also lead to longer production time and increased cost.

• The excess DFT may also affect the performance and durability of the product.

• It is important to ensure that the DFT is within the specified range to avoid these issues.

Overall Equipment Effectiveness (OEE) is a measure of how effectively equipment is being utilized to produce quality products.

• OEE is calculated by multiplying availability, performance, and quality rates.

• Availability rate measures the percentage of time the equipment is available for production.

• Performance rate measures the speed at which the equipment is producing products compared to its maximum capacity.

• Quality rate measures the percentage of products that meet the require...read more

Costing of plastic and casting parts involves analyzing material costs, production processes, and overhead expenses.

• Analyze the material costs by considering the type and quantity of plastic or casting material required.

• Evaluate the production processes involved in manufacturing the parts, including molding or casting techniques.

• Consider the labor costs, machine costs, and energy costs associated with the production processes.

• Factor in the overhead expenses such as facility c...read more

PPAP file making is done during the production validation stage of NPD work.

• PPAP file making is a part of the production validation process in NPD work

• It involves documenting the production process and ensuring it meets customer requirements

• PPAP file making is typically done after the design and development stages

• It includes documentation such as control plans, process flow diagrams, and inspection records

Pareto chart is a problem-solving tool used to identify and prioritize the causes of a problem.

• Pareto chart is a bar graph that displays the relative frequency or size of problems in descending order of importance.

• It helps to identify the vital few causes that account for the majority of the problems.

• It is based on the Pareto principle, also known as the 80/20 rule, which states that 80% of the effects come from 20% of the causes.

• It is used to focus on the most significant is...read more

NDC stands for National Drug Code. It is a unique identifier for drugs in the United States.

• NDC is a 10-digit code that identifies drugs, including prescription and over-the-counter medications.

• The first segment of the NDC represents the labeler code, which identifies the manufacturer or distributor of the drug.

• The second segment represents the product code, which identifies the specific drug formulation and strength.

• The third segment represents the package code, which identi...read more

Cycle time is the time taken to complete a task while takt time is the time available to complete a task.

• Cycle time is the total time taken to complete a process, including both processing and waiting time.

• Takt time is the rate at which a product must be produced to meet customer demand.

• Cycle time should be less than or equal to takt time to meet customer demand.

• For example, if a company has a takt time of 60 seconds and a cycle time of 50 seconds, they are meeting customer d...read more

The latest version of PPAP is PPAP 4th Edition.

• PPAP stands for Production Part Approval Process.

• The 4th Edition of PPAP was released in 2006.

• It is a standardized process in the automotive industry to ensure that suppliers meet the requirements for production parts.

• PPAP includes documentation such as design records, engineering change documents, and control plans.

• It also involves conducting various tests and measurements to validate the production process.

• PPAP is used to demon...read more

I do not have the current pricing information for ADC 12 & plastic resins.

• I apologize, but I do not have the current pricing information for ADC 12 & plastic resins.

• I would need to conduct research or consult with a colleague who has access to this information.

• Pricing for these materials can fluctuate frequently based on market demand and other factors.

Yes, I can read and understand mechanical drawings.

• I have experience in interpreting technical drawings and schematics.

• I am familiar with standard symbols and conventions used in mechanical drawings.

• I can identify different views and dimensions on a drawing.

• I have worked with CAD software to create and modify mechanical drawings.

• I am able to communicate effectively with designers and other engineers to clarify any questions or concerns.

A wiring harness is a group of wires bundled together for transmitting electrical signals. EMF stands for electromagnetic field, which is a physical field produced by electrically charged objects. The law used in electrical refers to Ohm's Law, which relates voltage, current, and resistance in a circuit.

• A wiring harness is a set of wires grouped together to transmit electrical signals efficiently.

• EMF, or electromagnetic field, is a physical field produced by electrically char...read more

Stress relieving in inserts requires heat treatment to reduce internal stresses and improve material properties.

• Heat treatment is necessary to relieve stress in inserts.

• The process involves heating the insert to a specific temperature and holding it for a certain duration.

• The temperature and duration depend on the material and the desired outcome.

• Stress relieving helps to minimize distortion, improve dimensional stability, and enhance mechanical properties.

• Common methods for ...read more

Starter motor and alternator are essential components of a vehicle's electrical system.

• Merits of starter motor: provides initial power to start the engine, easy to replace

• Demerits of starter motor: can wear out quickly, requires a lot of power from the battery

• Merits of alternator: charges the battery while the engine is running, provides power to the electrical system

• Demerits of alternator: can fail due to worn-out bearings or brushes, can drain the battery if faulty

GD&T stands for Geometric Dimensioning and Tolerancing. SAP is an enterprise resource planning software.

• GD&T is a system used to define and communicate engineering tolerances and dimensions.

• It ensures that parts and assemblies are manufactured and inspected correctly.

• GD&T uses symbols, such as concentricity, flatness, and perpendicularity, to specify geometric features.

• SAP is a software used by organizations to manage various business processes, such as finance, procurement, ...read more

The ppm in 6 sigma is 3.4 defects per million opportunities (DPMO).

• 6 sigma aims for a defect rate of 3.4 DPMO.

• PPM stands for parts per million.

• DPMO is a measure of process performance.

• The lower the DPMO, the better the process performance.

• Achieving 6 sigma means having a process that produces 99.99966% defect-free output.

The camera sensor for birds eye view requires inputs from multiple cameras placed around the vehicle.

• Multiple cameras are placed around the vehicle to capture a 360-degree view

• The camera inputs are processed by an electronic control unit (ECU)

• The ECU stitches the camera inputs together to create a birds eye view

• The birds eye view provides a top-down view of the vehicle and its surroundings

• The camera inputs may also include data from other sensors such as radar or lidar

Implementing core tools in a limited resources organization requires strategic planning and prioritization.

• Prioritize core tools based on the organization's specific needs and goals.

• Train existing staff on how to effectively use core tools to maximize resources.

• Utilize free or low-cost resources such as online training modules or open-source software.

• Collaborate with other organizations or industry partners to share resources and best practices.

• Regularly assess and adjust the...read more

Yes, I have implemented optimization techniques to ADAS applications.

• Implemented real-time object detection algorithms to reduce processing time

• Used machine learning to improve accuracy of lane detection and collision avoidance

• Optimized sensor fusion algorithms to reduce false positives and improve overall performance

Quality is meeting or exceeding customer expectations and requirements.

• Quality is a measure of how well a product or service meets customer needs and expectations.

• It involves meeting or exceeding customer requirements and specifications.

• Quality can be measured through various metrics such as defect rates, customer satisfaction, and reliability.

• Quality is a continuous process that involves identifying and addressing areas for improvement.

• Examples of quality initiatives include...read more

Dry film thickness refers to the thickness of a coating after it has dried and cured.

• It is measured using a coating thickness gauge.

• It is important to ensure that the dry film thickness meets the specifications for the coating.

• The dry film thickness can affect the performance and durability of the coating.

• Examples of coatings that require specific dry film thickness include paint, powder coating, and plating.

• Dry film thickness can be affected by factors such as application me...read more

Customer CSR stands for Customer Service Representative, who is responsible for providing assistance and support to customers.

• Customer CSR is the first point of contact for customers who need assistance with a product or service.

• They handle customer inquiries, complaints, and provide solutions to their problems.

• They are responsible for maintaining customer satisfaction and building strong customer relationships.

• Customer CSR must have excellent communication skills, problem-so...read more

Starter motor and alternator are crucial components of a vehicle's electrical system.

• Starter motor is responsible for cranking the engine to start the vehicle

• Alternator generates electrical power to charge the battery and power the vehicle's electrical system

• Starter motor is powered by the battery and engages with the engine's flywheel to turn the engine over

• Alternator is driven by the engine's crankshaft and converts mechanical energy into electrical energy

• Starter motor cons...read more

SPC stands for Statistical Process Control. It is a method used to monitor and control processes to ensure they are operating within acceptable limits.

• SPC involves collecting and analyzing data to identify and reduce process variation.

• It helps in detecting and preventing defects or errors in a process.

• Control charts are commonly used in SPC to visually display process data and identify any trends or patterns.

• SPC can be used in various industries such as manufacturing, healthc...read more

I have handled 5 types of machines in my previous company.

• I have experience in operating and maintaining CNC machines.

• I have also worked with hydraulic and pneumatic machines.

• I am familiar with robotic machines and their programming.

• I have experience in troubleshooting and repairing machines.

• I have worked with conveyor systems and packaging machines.

DVP&R stands for Design Verification Plan and Report. It is a process used to ensure that a product meets its design specifications.

• DVP&R is a structured approach to testing and validating a product's design.

• It involves creating a plan for testing the product, executing the tests, and documenting the results.

• The plan includes details such as the test objectives, test methods, acceptance criteria, and test schedule.

• The report summarizes the test results and provides recommenda...read more

TBO stands for Time Between Overhaul in coupler, which is the time interval between two overhauls of a coupler.

• TBO is a maintenance term used in the aviation industry.

• It refers to the time interval between two overhauls of a coupler.

• During an overhaul, the coupler is disassembled, inspected, repaired, and reassembled.

• The TBO for a coupler depends on the manufacturer's recommendations and the coupler's usage.

• Exceeding the TBO can lead to safety issues and reduced performance.

The NPD system here refers to the New Product Development system used by the company.

• The NPD system is a process used by the company to develop and launch new products.

• It involves various stages such as idea generation, product design, testing, and launch.

• The system is designed to ensure that new products meet customer needs and are profitable for the company.

• Examples of NPD systems include Stage-Gate, Agile, and Design Thinking.

• The specific NPD system used by the company may...read more

Poka yoke is a quality control technique used to prevent errors or defects in a process.

• Poka yoke aims to eliminate mistakes by designing processes or systems that make errors impossible or immediately detectable.

• It involves implementing foolproof mechanisms, such as sensors, alarms, or physical barriers, to prevent or correct errors.

• For example, a poka yoke in a manufacturing line could be a sensor that detects if a component is missing before the next step.

• Poka yoke can als...read more

The hardness of core pine varies depending on the specific species and age of the wood.

• The hardness of pine wood is typically measured using the Janka hardness test.

• Different species of pine have different hardness levels.

• Older pine wood tends to be harder than younger wood.

• The Janka hardness rating for Eastern White Pine is around 380 lbf, while Southern Yellow Pine can range from 690 to 870 lbf.

A 4 stroke engine is an internal combustion engine that completes four separate strokes in one cycle.

• Intake stroke: Fuel and air are drawn into the cylinder.

• Compression stroke: The mixture is compressed by the piston.

• Power stroke: The spark plug ignites the mixture, causing an explosion that drives the piston down.

• Exhaust stroke: The piston pushes the exhaust gases out of the cylinder.

• Examples: Cars, motorcycles, lawn mowers, and generators typically use 4 stroke engines.

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

• Focuses on continuous improvement

• Reduces waste and increases efficiency

• Involves all employees in the process

• Uses tools such as value stream mapping and 5S

• Examples include Toyota Production System and Kaizen

Spares management involves inventory control, procurement, and maintenance planning.

• Create a detailed inventory of all spares and their usage frequency.

• Establish a procurement process that ensures timely availability of spares.

• Implement a maintenance plan that includes regular inspection and replacement of spares.

• Use technology such as barcoding and RFID to track spares and prevent loss or theft.

• Regularly review and update the spares management process to optimize efficiency ...read more

Shift issues can be managed by effective communication, proper scheduling, and providing necessary resources.

• Establish clear communication channels between team members and management

• Create a schedule that takes into account employee preferences and availability

• Ensure that all necessary resources are available for each shift

• Regularly review and adjust the schedule as needed

• Provide training and support for employees to handle unexpected situations

• Encourage feedback from employ...read more

To improve secondary business, focus on increasing customer loyalty and expanding product offerings.

• Offer loyalty programs and incentives to encourage repeat business

• Expand product offerings to attract new customers and increase sales from existing customers

• Improve customer service to increase satisfaction and loyalty

• Analyze sales data to identify trends and opportunities for growth

• Collaborate with marketing team to develop targeted campaigns and promotions

• Establish partnersh...read more

Statistical Process Control (SPC) is a quality tool used to monitor and control processes to ensure they are within acceptable limits.

• SPC involves collecting and analyzing data to identify and eliminate sources of variation in a process.

• Control charts are commonly used in SPC to visually display process data and identify any trends or patterns.

• Examples of SPC tools include histograms, Pareto charts, scatter diagrams, and cause-and-effect diagrams.

ISO50001 is an international standard for energy management systems.

• ISO50001 provides a framework for organizations to establish, implement, maintain, and improve energy management systems.

• It helps organizations to reduce energy consumption, improve energy efficiency, and lower greenhouse gas emissions.

• ISO50001 focuses on continual improvement and requires organizations to set energy objectives and targets.

• It provides guidance on energy performance indicators, energy monitori...read more

Quality is the measure of excellence or superiority of a product or service based on set standards and customer expectations.

• Quality is meeting or exceeding customer expectations

• It involves consistency in performance and reliability

• Quality is achieved through adherence to standards and continuous improvement

• It focuses on prevention of defects rather than detection

• Quality can be subjective and may vary based on individual perceptions

Cp and Cpk are statistical tools used to measure process capability and determine if a process is capable of producing products within specification limits.

• Cp measures the potential capability of a process to meet specifications

• Cpk measures the actual capability of a process to meet specifications

• Both Cp and Cpk are calculated using the process mean and standard deviation, as well as the upper and lower specification limits

• A Cp or Cpk value of 1 indicates that the process is ...read more

8D report is a problem-solving methodology used to identify, correct and prevent recurring problems.

• 8D stands for 8 Disciplines

• It involves a team-based approach to problem-solving

• The report includes a detailed description of the problem, root cause analysis, corrective actions, and preventive measures

• Example: A manufacturing company received customer complaints about a defect in their product. The team used the 8D report to identify the root cause, which was a faulty machine ...read more

The material of PDC (Polycrystalline Diamond Compact) die is typically made of synthetic diamond.

• PDC die is used in the manufacturing of cutting tools for drilling and milling applications.

• The synthetic diamond material used in PDC die is created through high-pressure, high-temperature (HPHT) processes.

• The diamond material provides exceptional hardness and wear resistance, making it suitable for demanding tooling applications.

• PDC die can be used in various industries such as ...read more

IATF 16949 is a quality management standard specifically for the automotive industry.

• IATF 16949 is based on ISO 9001 but includes additional automotive-specific requirements.

• It focuses on continuous improvement, defect prevention, and reducing variation and waste in the supply chain.

• Certification to IATF 16949 is often a requirement for automotive suppliers to do business with major manufacturers.

• Examples of requirements include process control, risk management, and customer-...read more

Severity detection in FMEA is the process of assessing the potential impact of a failure mode on the system or process.

• Severity detection helps prioritize failure modes based on their potential consequences.

• It involves assigning a severity rating to each failure mode, typically on a scale of 1 to 10.

• The severity rating considers the potential harm to the system, process, or end-users.

• Examples of severity levels could be: 1 - No impact, 5 - Minor impact, 10 - Catastrophic impa...read more

Lead development of new products involves identifying market opportunities, conducting market research, creating product concepts, and overseeing the product development process.

• Identify market opportunities by analyzing customer needs, market trends, and competitor offerings

• Conduct market research to gather insights on customer preferences, market size, and potential demand

• Create product concepts based on market research findings and align them with company goals and strateg...read more

Yes, I can sell.

• I have a proven track record of exceeding sales targets.

• I am skilled in building relationships with clients and understanding their needs.

• I am adept at presenting products or services in a persuasive manner.

• I have experience in negotiating and closing deals.

• I continuously stay updated on market trends and competitor analysis.

Handling materials involves the physical movement, storage, and control of goods or products.

• Physical movement of goods

• Storage of goods

• Control of goods

• Ensuring proper handling and transportation

• Inventory management

Quality is the measure of excellence or superiority of a product or service.

• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and durability.

• Quality can be measured through various metrics such as defect rates, customer satisfaction, and adherence to standards.

• Continuous improvement is essential for maintaining quality standards.

• Examples of quality control measures include inspections, testing, and audits.

Agile methodologies are iterative and incremental approaches to project management that prioritize flexibility and adaptability.

• Agile methodologies prioritize individuals and interactions over processes and tools

• They emphasize working software over comprehensive documentation

• Agile teams work in short iterations, or sprints, to deliver small, incremental improvements

• They rely on constant feedback and collaboration between team members and stakeholders

• Examples of agile methodol...read more

I have 5 years of experience in the automobile industry, specializing in sales and customer relations.

• Worked for a major car dealership for 3 years

• Successfully met and exceeded sales targets consistently

• Developed strong relationships with clients and provided excellent customer service

• Attended industry conferences and stayed updated on latest trends and technologies

• Trained new sales team members on product knowledge and sales techniques

FMEA stands for Failure Mode and Effects Analysis.

• FMEA is a systematic approach used to identify and prioritize potential failures in a process, product, or system.

• It involves analyzing the potential causes and effects of failures, and developing preventive measures to mitigate risks.

• There are different versions of FMEA, such as Design FMEA (DFMEA) and Process FMEA (PFMEA).

• DFMEA focuses on identifying and addressing potential failures in the design phase, while PFMEA focuses ...read more

DMAIC is a structured problem-solving methodology used in Six Sigma to improve processes.

• Define: Clearly state the problem and project goals.

• Measure: Collect data to understand current process performance.

• Analyze: Identify root causes of issues and potential solutions.

• Improve: Implement and test solutions to address root causes.

• Control: Establish controls to sustain improvements over time.

• Example: Using DMAIC to reduce defects in a manufacturing process by analyzing data and ...read more

Defects in injection molding can include issues like warping, sink marks, flash, and short shots.

• Warping: occurs when the part cools unevenly, leading to distortion

• Sink marks: caused by uneven cooling or insufficient packing pressure

• Flash: excess material around the edges of the part due to poor mold alignment or excessive injection pressure

• Short shots: incomplete filling of the mold cavity, resulting in a part that is not fully formed