40+ Hitachi Astemo Interview Questions and Answers

Electrical CAD is used to design and document electrical systems. Perpendicularity symbol is drawn using CAD tools.

• Electrical CAD helps in creating accurate and detailed electrical designs

• It allows for easy modification and updating of designs

• CAD tools can be used to draw symbols for various electrical components and properties

• To draw the symbol of perpendicularity, use the CAD tool for drawing lines and add a small square at the intersection of the lines

• The perpendicularity ...read more

PNP and NPN transistors are two types of bipolar junction transistors with opposite polarity.

• PNP has a layer of N-type semiconductor sandwiched between two layers of P-type semiconductor, while NPN has a layer of P-type semiconductor sandwiched between two layers of N-type semiconductor.

• In PNP, the current flows from the emitter to the base and then to the collector, while in NPN, the current flows from the emitter to the collector through the base.

• PNP is used in high-side sw...read more

Computer Numerical Control

• Stands for Computer Numerical Control

• Used in manufacturing processes to control machining tools and equipment

• Automates the operation of machines based on pre-programmed sequences of commands

• Examples include CNC milling machines, CNC routers, CNC lathes

There are various types of valves used in hydraulic systems.

• There are directional control valves, pressure control valves, flow control valves, and check valves.

• Directional control valves control the direction of fluid flow.

• Pressure control valves regulate the pressure of the fluid.

• Flow control valves regulate the flow rate of the fluid.

• Check valves allow fluid to flow in one direction only.

• Other types of valves include relief valves, sequence valves, and throttle valves.

Operational Amplifier (Op-Amp) is a popular Linear Integrated Circuit.

• Op-Amp is used in various applications such as amplifiers, filters, oscillators, comparators, etc.

• Some popular Op-Amps are LM741, LM358, LM324, etc.

• Op-Amps have high input impedance, low output impedance, and high gain.

• Op-Amps can be used in both inverting and non-inverting configurations.

PLC stands for Programmable Logic Controller. NO and NC are actuation states used in electrical circuits.

• PLC is a digital computer used to automate industrial processes.

• NO stands for Normally Open and NC stands for Normally Closed.

• In NO state, the circuit is open when the device is not activated.

• In NC state, the circuit is closed when the device is not activated.

• NO and NC are used in electrical circuits to control the flow of current.

• Examples of devices that use NO and NC sta...read more

Types of breaks include mechanical breaks, hydraulic breaks, and electromagnetic breaks.

• Mechanical breaks rely on friction to slow down or stop motion, such as brake pads on a bicycle.

• Hydraulic breaks use fluid pressure to transfer force, commonly found in car braking systems.

• Electromagnetic breaks use electromagnetic force to slow down or stop motion, often used in industrial machinery.

Five instruments of linear integrated circuit

• Operational Amplifier (Op-Amp)

• Voltage Regulator

• Comparator

• Timer

• Phase Locked Loop (PLL)

An automobile company is a company that designs, manufactures, and sells vehicles such as cars, trucks, and motorcycles.

• Automobile companies produce a wide range of vehicles for consumers.

• They often have research and development departments to innovate new technologies for vehicles.

• Examples include Ford, Toyota, BMW, and Honda.

The purpose of automobiles is to provide transportation for people and goods, increasing mobility and convenience.

• Transportation of people and goods

• Increased mobility and convenience

• Efficient travel over long distances

• Economic growth through trade and commerce

• Enhanced quality of life by connecting people and communities

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

• Used in power supply circuits to filter out noise and ripple

• Used in timing circuits to control the rate of oscillation

• Used in audio circuits to filter out unwanted frequencies

• Used in motor starting circuits to provide a boost of power

• Examples: camera flash, air conditioner, radio receiver

Force is a push or pull acting upon an object resulting from its interaction with another object.

• Force is a vector quantity, meaning it has both magnitude and direction.

• Types of forces include gravitational force, electromagnetic force, frictional force, tension force, and normal force.

• For example, when you push a door to open it, you are applying a force in the direction of the door.

• Another example is the force of gravity pulling objects towards the Earth.

A CNC operator is a skilled professional who operates computer numerical control machines to perform various tasks like cutting, shaping, and finishing materials.

• CNC operators use computer programs to control and operate machines for tasks like drilling, milling, and turning.

• They interpret blueprints, set up machines, and monitor the production process to ensure accuracy and efficiency.

• CNC operators are responsible for maintaining and troubleshooting machines to ensure smooth...read more

Quality refers to the degree of excellence or superiority of a product or service.

• Quality is the measure of how well a product or service meets the expectations and requirements of customers.

• It involves meeting or exceeding standards and specifications.

• Quality can be subjective and may vary based on individual preferences and needs.

• Quality can be assessed through various methods such as inspections, testing, and customer feedback.

• Examples of quality include a durable and reli...read more

An op-amp is a type of electronic amplifier with high gain and differential inputs.

• Op-amp stands for operational amplifier.

• It is a key component in analog circuits and is widely used in signal processing and amplification.

• Op-amps have two inputs, an inverting and a non-inverting input, and a single output.

• They are typically used to amplify and manipulate signals, perform mathematical operations, and control circuit behavior.

• Op-amps can be used in various applications such as ...read more

An RLC circuit is a circuit containing a resistor, inductor, and capacitor.

• RLC stands for Resistor-Inductor-Capacitor.

• It is a type of circuit used in electronics and electrical engineering.

• The circuit can be used for filtering, tuning, and oscillation.

• Examples include bandpass filters, notch filters, and resonant circuits.

• The behavior of the circuit depends on the values of the components and the frequency of the input signal.

Star-delta diagram is a method used to reduce starting current in induction motors.

• Star connection is used during starting to reduce current and then switches to delta connection for running.

• In star connection, each phase is connected to a common point called the neutral.

• In delta connection, each phase is connected in a loop.

• Example: L1, L2, L3 are connected to A, B, C respectively in star, then switched to form a delta connection.

I use various tools such as Pareto charts, fishbone diagrams, control charts, and statistical software to analyze defects.

• Pareto charts help identify the most significant defects by showing the frequency of each type of defect.

• Fishbone diagrams (Ishikawa diagrams) help identify potential causes of defects by categorizing them into different factors like people, methods, materials, etc.

• Control charts help monitor the stability of a process by plotting data points over time and...read more

To reduce the rating of FMEA, focus on improving the severity, occurrence, and detection ratings. Cp and CPK are used to measure process capability.

• To reduce FMEA rating, address high severity issues first

• Implement controls to reduce the likelihood of high occurrence failure modes

• Enhance detection methods to catch potential issues early

• Calculate Cp and CPK to assess process capability and make improvements as needed

Strength: Strong leadership skills. Weakness: Difficulty delegating tasks. Production: Process of creating goods or services. Cycle time: Time taken to complete one cycle of production. Manpower handling: Efficiently managing and organizing workers. Rejection control: Implementing quality control measures to reduce rejected products.

• Strength: Strong leadership skills - ability to motivate and guide team members.

• Weakness: Difficulty delegating tasks - working on improving dele...read more

The market trend in the segment is towards increased demand for automation and integration of IoT technologies.

• Growing demand for automation solutions to improve efficiency and productivity

• Integration of IoT technologies to enable remote monitoring and predictive maintenance

• Focus on data analytics and AI for actionable insights and decision-making

• Shift towards cloud-based solutions for scalability and flexibility

Transformers are electrical devices that transfer energy between two or more circuits through electromagnetic induction.

• Transformers are used to step up or step down voltage levels in electrical systems.

• There are two main types of transformers: power transformers and distribution transformers.

• Power transformers are used in power generation and transmission systems.

• Distribution transformers are used to supply electricity to homes and businesses.

• Other types of transformers incl...read more

I interact with customers by actively listening to their needs, providing tailored solutions, and building strong relationships.

• Actively listen to customer needs and concerns

• Provide tailored solutions based on customer requirements

• Build strong relationships through effective communication and follow-up

• Offer support and assistance throughout the sales process

• Handle objections and address any issues promptly

Micrometer is a precision measuring instrument used to measure small distances with high accuracy.

• Micrometer is also known as a micrometer screw gauge.

• It consists of a calibrated screw and a measuring scale.

• The screw is turned until it touches the object being measured and the reading is taken from the scale.

• Micrometers can measure dimensions as small as 0.001 mm.

• The value of a micrometer depends on its precision and accuracy.

Process documents for production are detailed instructions and guidelines for carrying out manufacturing processes.

• Process documents outline step-by-step instructions for production tasks

• They include information on equipment, materials, and quality standards

• Examples include standard operating procedures (SOPs), work instructions, and batch records

Sheet metal process involves shaping and forming thin metal sheets into desired shapes and structures.

• Sheet metal process is used in various industries like automotive, aerospace, construction, and electronics.

• It includes cutting, bending, punching, and welding of metal sheets.

• Sheet metal is commonly used to create components like panels, enclosures, brackets, and ducts.

• Examples of sheet metal processes include laser cutting, press brake forming, and spot welding.

I handle pressure by staying organized, prioritizing tasks, and maintaining open communication with team members.

• Stay organized by creating to-do lists and setting deadlines

• Prioritize tasks based on urgency and importance

• Maintain open communication with team members to delegate tasks and ask for help when needed

I prioritize tasks based on urgency and importance, communicate with stakeholders, and utilize time management techniques.

• Prioritize tasks based on urgency and importance

• Communicate with stakeholders to set realistic expectations

• Utilize time management techniques such as creating to-do lists and setting deadlines

Corporate responsibility refers to a company's commitment to ethical behavior, social and environmental sustainability, and accountability.

• It involves conducting business in a way that benefits society and minimizes negative impacts.

• Companies may engage in philanthropy, volunteerism, and community development initiatives.

• They should prioritize fair treatment of employees, diversity and inclusion, and ethical sourcing.

• Environmental responsibility includes reducing carbon footp...read more

Sales is the process of persuading potential customers to buy products or services.

• Sales involves identifying potential customers and their needs

• It includes presenting products or services in a compelling way

• Negotiating terms and closing deals is also part of sales

• Building and maintaining relationships with customers is crucial for repeat business

• Sales can be done through various channels such as face-to-face meetings, phone calls, emails, and online platforms

Vernier is a measuring scale that provides precise readings. List value is the smallest measurement that can be read on a scale.

• Vernier is used to measure the difference between two readings on a scale

• It is commonly used in engineering and scientific applications

• List value is the smallest measurement that can be read on a scale and is used to determine the precision of the scale

• For example, if the list value of a scale is 0.1 mm, then the smallest measurement that can be read...read more

I analyze defects by identifying root causes, categorizing them, prioritizing based on impact, and implementing corrective actions.

• Identify root causes of defects through root cause analysis techniques like 5 Whys or Fishbone diagram

• Categorize defects based on severity, frequency, and impact on quality

• Prioritize defects for resolution based on their impact on product quality and customer satisfaction

• Implement corrective actions to address root causes and prevent future occurr...read more

Line balancing is the process of assigning tasks to workstations in a way that evens out the workload and maximizes efficiency.

• Line balancing aims to minimize idle time and bottlenecks by distributing work evenly across workstations.

• It involves analyzing the production process to determine the optimal sequence of tasks and the appropriate number of workers at each workstation.

• For example, in a manufacturing plant, line balancing may involve rearranging tasks on an assembly li...read more

OEE stands for Overall Equipment Effectiveness and is a measure of manufacturing productivity.

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

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

• Performance measures the speed of the equipment compared to its ideal speed.

• Quality measures the percentage of good quality products produced.

• OEE = Availability x Performance x Quality

• A perfect OEE score is 100%.

Load balancers distribute incoming network or application traffic across multiple servers to ensure no single server is overwhelmed.

• Application load balancer operates at the application layer and directs traffic based on content of the request.

• Network load balancer operates at the transport layer and routes connections based on IP protocol data.

• Load balancers improve application availability, scalability, and reliability by distributing traffic efficiently.

• Examples: AWS Appli...read more

No backlogs. Favorite subjects are Mathematics and Physics.

• No, I do not have any backlogs.

• My favorite subjects are Mathematics and Physics.

• I have always been interested in solving complex problems and these subjects provide me with the necessary tools to do so.

The goal of QMS is to ensure consistent quality of products/services, meet customer requirements, and continuously improve processes.

• Ensure consistent quality of products/services

• Meet customer requirements

• Continuously improve processes

• Reduce waste and increase efficiency

• Comply with regulations and standards

• Enhance customer satisfaction

• Facilitate decision-making based on data

• Promote a culture of quality

• Provide a framework for risk management

Tools types refer to the different categories or classifications of tools used in a particular field or industry.

• There are various types of tools such as hand tools, power tools, cutting tools, measuring tools, etc.

• Hand tools include hammers, screwdrivers, wrenches, pliers, etc.

• Power tools include drills, saws, sanders, grinders, etc.

• Cutting tools include knives, scissors, shears, etc.

• Measuring tools include rulers, tape measures, calipers, etc.

• Other types of tools can includ...read more

My expected CTC is in line with industry standards and commensurate with my experience and skills.

• My expected CTC is based on my years of experience in supply chain engineering.

• I have researched industry standards and salary ranges for Sr. supply chain engineers.

• I am looking for a competitive salary package that reflects my expertise and contributions.

• I am open to negotiation based on the overall compensation package offered.

Kaizen is a Japanese business philosophy of continuous improvement involving all employees.

• Kaizen focuses on making small, incremental changes to processes to improve efficiency and quality.

• It involves employees at all levels of the organization in identifying and implementing improvements.

• Kaizen promotes a culture of continuous learning and innovation.

• Examples of kaizen include implementing a new workflow to reduce waste, standardizing procedures to improve consistency, and ...read more

Programming a part to turn

• Identify the type of part and its intended function

• Determine the required angle and speed of rotation

• Select an appropriate programming language and platform

• Write and test the code to ensure proper functionality

The 7 QC tools are a set of basic tools used for quality control and problem-solving in manufacturing and other industries.

• Check sheet: Used to collect and analyze data in a systematic manner.

• Histogram: A graphical representation of data distribution.

• Pareto chart: Helps identify the most significant factors contributing to a problem.

• Cause-and-effect diagram (Fishbone diagram): Used to identify and analyze potential causes of a problem.

• Scatter diagram: Shows the relationship b...read more

The question is unclear and lacks context.

• Request clarification on what is meant by 'offset'.

• Ask for more information about the specific context of the question.

• Provide examples of possible interpretations of 'offset' to guide the interviewer in providing a clearer question.

There are various types of engines, including internal combustion, electric, and hybrid engines.

• Internal combustion engines are the most common and include gasoline and diesel engines.

• Electric engines use electricity to power the vehicle and are becoming more popular.

• Hybrid engines combine both internal combustion and electric power.

• Other types of engines include rotary engines and steam engines.

• The type of engine used depends on the vehicle's intended use and efficiency goal...read more