70+ Olcademy Interview Questions and Answers

The root cause of product A's failure in the last stage can be due to various factors.

• The failure could be due to a problem in the manufacturing process.

• It could be due to a defect in the raw materials used.

• The failure could also be due to a design flaw in the product.

• Human error during the production process could also be a cause.

• Environmental factors such as temperature or humidity could also play a role.

To reduce machine down time and scrap, proper maintenance, training, and process improvement are necessary.

• Regular maintenance and cleaning of machines

• Training operators on proper usage and maintenance

• Implementing process improvements to reduce errors and waste

• Using predictive maintenance techniques to identify potential issues before they cause downtime

• Investing in high-quality equipment and materials

• Monitoring and analyzing production data to identify areas for improvement

L4 level rework is a term used in engineering to describe a specific type of rework process.

• L4 level rework refers to the highest level of rework in a hierarchical system.

• It involves complex and advanced modifications or repairs to a product or system.

• L4 level rework requires a deep understanding of the engineering principles and expertise in the specific domain.

• Examples of L4 level rework can include redesigning a circuit board layout, modifying software code at a low-level,...read more

Server administration involves managing servers, ensuring their availability, security, and performance.

• Installing and configuring servers and applications

• Monitoring server performance and troubleshooting issues

• Managing user accounts and permissions

• Implementing security measures and backups

• Updating and patching software and operating systems

• Responding to alerts and incidents

• Documenting server configurations and procedures

5S quality is a workplace organization method that aims to improve efficiency and safety.

• Sort - separate necessary items from unnecessary ones

• Set in order - arrange necessary items in a logical and efficient manner

• Shine - clean and maintain the workplace

• Standardize - establish procedures and standards for maintaining the workplace

• Sustain - ensure that the 5S system is continuously implemented and improved

• Example: organizing tools in a factory to reduce time spent searching fo...read more

Sample sizes for inspection are determined based on the acceptable quality level and the level of confidence required.

• Determine the acceptable quality level (AQL) and the level of confidence required

• Use statistical tables or software to determine the appropriate sample size

• Consider the lot size and the cost of inspection when determining sample size

• Escalation matrix for incoming quality engineer should include steps for addressing non-conforming products, such as re-inspectio...read more

The 7 tools in production are used for quality control and process improvement.

• Check sheets

• Control charts

• Histograms

• Pareto charts

• Scatter diagrams

• Flowcharts

• Cause-and-effect diagrams

The combination of solder paste in SMT line typically consists of flux, solder powder, and other additives.

• Flux is used to clean and prepare the surfaces to be soldered.

• Solder powder is the main component that forms the solder joint.

• Additives may include thickeners, activators, and other materials to improve the soldering process.

• Example: A common combination is 60% solder powder, 35% flux, and 5% additives.

I will follow a structured process to evaluate the impact of the change and ensure proper documentation and communication.

• Review the change request and assess its impact on the product design, cost, and schedule

• Evaluate the feasibility of the change and propose alternatives if necessary

• Document the change request and update relevant documents such as drawings, specifications, and BOMs

• Communicate the change to stakeholders such as manufacturing, quality, and suppliers

• Obtain ap...read more

Issues in capacitive touch screens include ghost touches, dead zones, and sensitivity problems.

• Ghost touches: When the screen registers touches without any physical contact.

• Dead zones: Areas on the screen where touch inputs are not recognized.

• Sensitivity problems: Inconsistent or inaccurate response to touch inputs.

• Interference from external factors like water or dirt can also affect performance.

Sorry, there is no such thing as Foxconn ful form FHH.

Product inspection involves thorough examination of the product to ensure it meets quality standards.

• Identify the specific quality standards for the product

• Inspect the product visually for defects or irregularities

• Use measuring tools to check dimensions and tolerances

• Perform functional tests to ensure the product works as intended

• Document any issues found and report to appropriate personnel

Challenges in AMOLED display include burn-in, color accuracy, lifespan, and production costs.

• Burn-in: Image retention on screen over time

• Color accuracy: Ensuring accurate and consistent colors

• Lifespan: Degradation of organic materials affecting longevity

• Production costs: Expensive manufacturing process

Customer need and feedback are essential for understanding and improving products or services.

• Customer need refers to the specific requirements or desires of customers that a product or service should fulfill.

• Feedback is the information or opinions provided by customers about their experience with a product or service.

• Customer need and feedback help in identifying areas for improvement, enhancing customer satisfaction, and driving product development.

• Examples of customer need...read more

In Java, 'this' is a keyword that refers to the current object, while 'super' is a keyword that refers to the superclass of the current object.

• The 'this' keyword is used to refer to the current instance of the class.

• The 'super' keyword is used to refer to the superclass of the current instance.

• Example: 'this.variable' refers to the instance variable of the current object.

• Example: 'super.method()' calls a method from the superclass of the current object.

A technician is a skilled worker who specializes in a specific field and performs technical tasks.

• A technician is someone who has expertise in a particular area and is trained to perform technical tasks.

• They often work under the supervision of a supervisor or manager.

• Technicians can be found in various industries such as IT, healthcare, automotive, and manufacturing.

• Examples of technicians include computer technicians, medical lab technicians, automotive technicians, and HVAC...read more

Yes, I have experience in calculating capacity planning for various projects.

• I have calculated capacity planning for manufacturing projects to determine production rates and resource requirements.

• I have also calculated capacity planning for software development projects to allocate team members effectively.

• Utilized tools such as Gantt charts, resource histograms, and project management software to assist in capacity planning.

• Regularly reviewed and adjusted capacity planning b...read more

Yes, failure analysis is the process of identifying and analyzing the root cause of a failure in a system or product.

• It involves examining the failed component or system to determine the cause of the failure.

• It can be used to improve the design and reliability of products.

• Examples include analyzing a failed engine part to determine why it broke, or investigating a software bug to determine the cause of a system crash.

I have 3 years of experience in mobile manufacturing.

• Worked for 3 years in a mobile manufacturing company

• Experience in designing and developing new mobile products

• Knowledge of manufacturing processes and quality control in mobile industry

APQP is a structured approach to product development that ensures customer satisfaction through effective planning and risk management.

• APQP involves cross-functional teams working together to identify and mitigate potential risks throughout the product development process.

• It includes five phases: planning, product design and development, process design and development, product and process validation, and launch, assessment, and feedback.

• APQP is commonly used in the automotive...read more

To rework surface-mount components, specialized tools and equipment, such as BGA rework stations and fine-pitch soldering irons, are used.

• BGA rework stations are used to remove and replace BGA components on circuit boards.

• Fine-pitch soldering irons with small tips are used to solder fine-pitch components with close pin spacing.

• Other tools like hot air rework stations, soldering tweezers, and magnifying lenses may also be used.

• Skills in component removal, soldering, and reflow...read more

My KPI is to ensure timely completion of assigned tasks with high quality output.

• Meeting project deadlines

• Delivering high-quality work

• Maintaining good communication with team members

• Continuously improving skills and knowledge

• Achieving set targets and goals

RF stands for Radio Frequency, a technology used for wireless communication and transmission of data.

• RF is used in various applications such as WiFi, Bluetooth, cellular networks, and RFID.

• RF signals are electromagnetic waves that have a frequency range from 3 kHz to 300 GHz.

• RF engineering involves designing, testing, and optimizing RF systems for efficient communication.

• RF engineers work on antenna design, signal propagation, modulation techniques, and interference mitigatio...read more

CMW stands for Continuous Wave. It is a type of signal used in various engineering applications.

• CMW is a type of signal that is continuous and does not have any interruptions.

• It is commonly used in radar systems for target detection and tracking.

• CMW is also used in communication systems for continuous transmission of data.

• It is important in engineering for its ability to provide constant and reliable signal.

• Examples of CMW include continuous wave radar and continuous wave mod...read more

The tolerance of SPI (Serial Peripheral Interface) is typically specified by the manufacturer and can vary depending on the specific device.

• SPI tolerance is usually specified in terms of clock frequency, voltage levels, and timing requirements.

• Different SPI devices may have different tolerance levels, so it is important to refer to the datasheet for accurate information.

• For example, a certain SPI device may have a clock frequency tolerance of +/- 5%.

• Voltage level tolerance ma...read more

To improve KPI and 5s activities, focus on process optimization, employee training, and regular audits.

• Analyze current processes and identify areas for improvement

• Implement employee training programs to ensure adherence to 5s principles

• Conduct regular audits to monitor progress and identify areas for further improvement

• Establish clear KPIs and regularly track and analyze performance data

• Encourage employee participation and engagement in 5s activities

To decrease scrap level, implement quality control measures, optimize production processes, and train employees.

• Implement quality control measures to identify and rectify defects early on.

• Optimize production processes to minimize waste and improve efficiency.

• Train employees on proper handling and production techniques to reduce errors.

• Regularly monitor and analyze scrap data to identify patterns and areas for improvement.

• Invest in advanced technology and equipment to enhance ...read more

To improve work conditions, techniques like ergonomics, proper lighting, ventilation, and noise control can be used.

• Ensure proper ergonomics to prevent musculoskeletal disorders

• Provide adequate lighting to reduce eye strain and headaches

• Maintain proper ventilation to prevent respiratory problems

• Control noise levels to prevent hearing damage

• Implement safety measures to prevent accidents

Yes, OEE can be applied to old machines to improve efficiency and productivity.

• OEE can help identify areas of improvement in old machines to increase overall equipment effectiveness.

• By measuring availability, performance, and quality, OEE can provide insights into how to optimize old machines.

• Implementing OEE on old machines can lead to reduced downtime, increased throughput, and improved quality.

• For example, by tracking downtime and analyzing the reasons behind it, adjustmen...read more

CE amplifiers are common emitter amplifiers used in electronic circuits. Different types include common base, common collector, and differential amplifiers.

• CE amplifiers are widely used in electronic circuits for their high gain and efficiency.

• Common base amplifiers have the base terminal in common with the input and output.

• Common collector amplifiers have the collector terminal in common with the input and output.

• Differential amplifiers amplify the difference between two inp...read more

Electronics manufacturing is a dynamic and innovative industry that offers endless possibilities for growth and development.

• Electronics manufacturing is a constantly evolving field that requires creativity and problem-solving skills.

• It offers opportunities to work with cutting-edge technology and develop new products.

• The industry is growing rapidly, with new advancements and innovations being made every day.

• Electronics manufacturing also plays a crucial role in many other ind...read more

Mylar is a type of polyester film used in various applications.

• Mylar is a brand name for a type of polyester film.

• It is known for its high tensile strength, durability, and heat resistance.

• Common types of Mylar include Mylar A, Mylar D, and Mylar M.

• Mylar A is a transparent film used for packaging, printing, and electrical insulation.

• Mylar D is a metallized film used for reflective purposes, such as in mirrors or emergency blankets.

• Mylar M is a matte film used for drafting, tr...read more

Digitalization helps the company by improving efficiency, reducing costs, enhancing communication, and enabling data-driven decision making.

• Improves efficiency by automating processes and workflows

• Reduces costs by eliminating manual tasks and streamlining operations

• Enhances communication through digital collaboration tools and platforms

• Enables data-driven decision making by providing real-time insights and analytics

The data is used for analyzing project progress, making informed decisions, identifying areas for improvement, and ensuring project success.

• Analyzing project progress

• Making informed decisions

• Identifying areas for improvement

• Ensuring project success

Fixtures are devices used to hold and position workpieces during manufacturing or assembly processes.

• Jig fixtures are used to guide and control the movement of tools or workpieces.

• Clamp fixtures are used to secure workpieces in place during machining or assembly.

• Vise fixtures are used to hold workpieces firmly in position for milling or drilling operations.

• Indexing fixtures are used to rotate workpieces to specific angles for machining.

• Welding fixtures are used to hold and po...read more

Operations in a warehouse involve receiving, storing, picking, and shipping goods.

• Receiving goods from suppliers and checking for accuracy and quality

• Storing goods in designated locations within the warehouse

• Picking goods from storage locations to fulfill customer orders

• Shipping goods to customers or other warehouses

• Maintaining inventory accuracy through regular cycle counts and audits

NPI stands for New Product Introduction, the process of bringing a new product to market.

• NPI involves concept development, design, testing, manufacturing, and launch of a new product.

• It includes market research, competitive analysis, and customer feedback to ensure product success.

• NPI aims to minimize time to market, reduce costs, and maximize product quality.

• Examples of NPI include the launch of a new smartphone model or a medical device.

• Effective NPI processes can lead to i...read more

RF analysis is a process of examining and evaluating the performance of radio frequency systems.

• RF analysis involves measuring and analyzing the frequency, power, and modulation of radio signals.

• It is used to identify and troubleshoot issues in wireless communication systems.

• RF analysis can be performed using specialized equipment such as spectrum analyzers and signal generators.

• Examples of RF analysis applications include testing the performance of wireless networks, identif...read more

Process Engineers are responsible for designing, implementing, and optimizing industrial processes to ensure efficiency and quality.

• Designing and implementing efficient processes for manufacturing products

• Optimizing existing processes to improve efficiency and quality

• Troubleshooting issues and making improvements to processes

• Collaborating with cross-functional teams to ensure smooth operations

• Ensuring compliance with safety and environmental regulations

• Utilizing tools such as...read more

Documents and PF details can be shared upon request.

• Documents such as project plans, design specifications, test reports, etc. can be provided.

• PF details including contribution amounts, investment options, and withdrawal procedures can be shared.

• It is important to ensure confidentiality and compliance with data protection regulations when sharing such information.

Fire protection refers to measures taken to prevent and minimize the impact of fires in buildings and other structures.

• Fire protection includes the installation of fire alarms, sprinkler systems, and fire extinguishers.

• Regular maintenance and testing of fire protection equipment is essential to ensure it functions properly in case of a fire.

• Fire protection also involves creating and implementing fire safety plans and conducting fire drills to educate occupants on proper evacu...read more

Strength of Materials is a branch of engineering that deals with the behavior of solid objects subjected to stresses and strains.

• Strength of Materials is essential in designing structures and machines to ensure they can withstand various loads and forces.

• It involves studying the properties of materials such as elasticity, plasticity, and strength.

• Common examples include calculating the stress and strain in a beam under a load or determining the factor of safety for a machine ...read more

Company development involves strategic planning, innovation, market analysis, and continuous improvement.

• Strategic planning is essential for setting goals and outlining the steps needed to achieve them.

• Innovation plays a key role in staying ahead of competitors and meeting changing customer needs.

• Market analysis helps identify opportunities for growth and potential threats in the industry.

• Continuous improvement involves regularly evaluating processes and making adjustments to...read more

I have extensive experience in soldering and reworking mobile phone parts.

• Proficient in soldering and reworking small components such as microchips, capacitors, and resistors.

• Familiar with mobile phone schematics and able to troubleshoot and diagnose issues.

• Skilled in using specialized tools such as hot air guns and soldering irons.

• Experience in repairing various mobile phone brands such as Apple, Samsung, and Huawei.

The question is asking to move the 'stat' to the end of the plan.

• Identify the position of 'stat' in the plan

• Remove 'stat' from its current position

• Add 'stat' at the end of the plan

I have extensive mobile rework experience

• I have worked on various mobile devices such as smartphones and tablets

• I am familiar with different types of connectors and components used in mobile devices

• I have experience in replacing damaged screens, batteries, and other components

• I am skilled in using specialized tools and equipment for mobile rework

• I have a strong attention to detail and follow strict quality control procedures

Defining the problem involves identifying and understanding the issue at hand.

• Identify the specific issue or challenge that needs to be addressed

• Understand the root cause of the problem

• Gather relevant data and information to analyze the problem

• Define the scope and boundaries of the problem

• Communicate the problem clearly to stakeholders

ESD stands for Electrostatic Discharge.

• ESD is the sudden flow of electricity between two electrically charged objects caused by contact, an electrical short, or dielectric breakdown.

• It can damage electronic components and integrated circuits.

• ESD protection measures include using antistatic wrist straps, mats, and packaging materials.

• Examples of ESD-sensitive devices are computer chips, circuit boards, and hard drives.

Nitrogen plant separates nitrogen from air using cryogenic distillation process.

• Air is compressed and cooled to remove moisture and impurities.

• The cooled air is then separated into oxygen and nitrogen using a distillation column.

• Nitrogen is collected and stored in a tank for further use.

• The process is energy-intensive and requires specialized equipment.

• Nitrogen plants are used in various industries such as food packaging, electronics, and pharmaceuticals.

QMS stands for Quality Management System, which is a set of policies, processes, and procedures required for planning and execution in the core business area of an organization.

• QMS ensures that products and services meet customer requirements and regulatory standards.

• It involves quality planning, control, assurance, and improvement.

• Examples of QMS include ISO 9001 certification and Six Sigma methodologies.

Employee issues can be resolved through effective communication, conflict resolution strategies, and creating a positive work environment.

• Encourage open communication between employees and management

• Implement conflict resolution training for employees and managers

• Create a positive work culture through team-building activities and recognition programs

• Address any issues promptly and fairly to prevent escalation

• Provide resources for employees to seek help or support if needed

The result of 5 divided by 2 is 2.5.

• 5 divided by 2 equals 2.5

• The division operator (/) is used to divide two numbers

• The result of dividing two integers may be a floating-point number

Using 4M involves focusing on manpower, machinery, materials, and methods to improve processes.

• Manpower: Ensure the right people with the right skills are assigned to tasks.

• Machinery: Utilize efficient and reliable equipment to streamline operations.

• Materials: Use high-quality materials that meet specifications for the task at hand.

• Methods: Implement standardized procedures and continuous improvement practices.

• Example: In a manufacturing setting, using 4M could involve traini...read more

iQC stands for Incoming Quality Control and is the process of inspecting and testing raw materials or components before production. IPQC stands for In-Process Quality Control and involves monitoring and controlling the quality of production processes.

• iQC is conducted on raw materials or components before they are used in production

• IPQC involves monitoring and controlling the quality of production processes

• Both iQC and IPQC are essential for ensuring the overall quality of the...read more

The field of expertise or industry in which the candidate has experience and knowledge.

• Specify the specific field or industry in which you have experience (e.g. manufacturing, technology, healthcare)

• Highlight any relevant skills or qualifications related to the field mentioned

• Provide examples of projects or achievements within that field

My favorite subject of study is mathematics.

• I enjoy solving complex equations and puzzles.

• I find satisfaction in finding logical solutions.

• Mathematics is applicable in various fields, including engineering.

• I have excelled in subjects like calculus, algebra, and statistics.

Resistance is the opposition to the flow of electric current.

• Resistance is measured in ohms (Ω).

• It is caused by the collisions of electrons with atoms in a conductor.

• Higher resistance leads to lower current flow.

• Resistance can be affected by factors like material, length, and temperature.

• Examples: A light bulb has high resistance, while a wire has low resistance.

A capacitor is an electronic component that stores electrical energy in an electric field.

• Capacitors consist of two conductive plates separated by an insulating material

• They are used in electronic circuits to store and release energy quickly

• Capacitors are commonly used in filtering, timing, and tuning circuits

• Examples include electrolytic capacitors, ceramic capacitors, and tantalum capacitors

The type of compressor working depends on the specific needs of the facility. Common types include reciprocating, rotary screw, and centrifugal compressors.

• Reciprocating compressors are best for low flow and high-pressure applications.

• Rotary screw compressors are ideal for continuous use and high flow rates.

• Centrifugal compressors are used for large-scale industrial applications.

• The type of compressor chosen will depend on factors such as the required flow rate, pressure, and...read more

Re-screening is a quality control process to ensure that previously rejected items meet the required standards.

• Re-screening involves checking previously rejected items to ensure they now meet the required standards

• It is an important quality control process to prevent defective products from reaching customers

• Examples of items that may require re-screening include faulty electronic components or misaligned mechanical parts

There are three main types of quality: product quality, process quality, and people quality.

• Product quality refers to the characteristics of a product that meet or exceed customer expectations.

• Process quality focuses on the methods and procedures used to create a product or deliver a service.

• People quality involves the skills, knowledge, and attitudes of the individuals involved in the production or delivery process.

Cooling tower chemicals are used to prevent scale, corrosion, and biological growth in the system.

• Cooling tower chemicals include biocides, corrosion inhibitors, and scale inhibitors.

• Biocides are used to control biological growth such as algae and bacteria.

• Corrosion inhibitors protect metal surfaces from corrosion.

• Scale inhibitors prevent mineral deposits from forming on heat exchange surfaces.

• Chemical treatment is essential for maintaining the efficiency and longevity of coo...read more