50+ Krishna Maruti Interview Questions and Answers

Automation is the process of performing tasks or operations without human intervention.

• Automation involves using technology or machines to complete tasks automatically.

• Examples of automation include self-driving cars, smart home systems, and industrial robots.

• Automation can increase efficiency, reduce errors, and save time and labor.

• It is widely used in various industries such as manufacturing, transportation, and healthcare.

These are terms related to manufacturing processes and techniques.

• 4m refers to the four factors that affect a process: Man, Machine, Material, and Method.

• Poke-yoke is a technique used to prevent errors by designing the process to be mistake-proof.

• Maru-A is a Japanese term for visual management, which involves using visual aids to communicate information.

• Production analysis involves analyzing the production process to identify areas for improvement.

• Lean manufacturing is a phil...read more

Some parts used in two wheeler engine assembly are piston, cylinder, crankshaft, camshaft, valves, spark plug, connecting rod, and carburetor.

• Piston: Moves up and down inside the cylinder, creating compression.

• Cylinder: Houses the piston and allows for combustion.

• Crankshaft: Converts linear motion of the piston into rotational motion.

• Camshaft: Controls the opening and closing of valves.

• Valves: Regulate the flow of air and fuel into the cylinder and the exhaust gases out.

• Spark...read more

Ensure efficient dispatch by optimizing routes, tracking inventory, and prioritizing urgent orders.

• Implement a route optimization software to minimize travel time and fuel costs.

• Maintain accurate inventory records to avoid stockouts and delays.

• Prioritize urgent orders and communicate any delays to customers.

• Train dispatchers to handle unexpected situations and make quick decisions.

• Regularly review and analyze dispatch data to identify areas for improvement.

The toolroom is typically organized in a hierarchical structure with a manager overseeing toolmakers and machinists.

• Typically led by a Toolroom Manager who oversees the operations

• Toolmakers and machinists report to the Toolroom Manager

• May have specialized teams for different types of tools or machinery

• Collaborates closely with engineering and production departments

Corrective action is taken to address an existing issue, while preventive action is taken to avoid potential issues in the future.

• Corrective action is reactive, addressing problems that have already occurred.

• Preventive action is proactive, aiming to prevent problems from happening in the first place.

• Corrective action focuses on fixing the root cause of a problem.

• Preventive action focuses on identifying and eliminating potential causes of problems before they occur.

• Examples: C...read more

Preventive maintenance is scheduled maintenance performed on a regular basis to prevent breakdowns, while predictive maintenance uses data and analytics to predict when equipment will fail.

• Preventive maintenance is scheduled at regular intervals to prevent breakdowns.

• Predictive maintenance uses data and analytics to predict when equipment will fail.

• Preventive maintenance is time-based, while predictive maintenance is condition-based.

• Preventive maintenance is often less costly...read more

Welding is a process of joining two or more pieces of metal together by melting and fusing them.

• Welding involves the use of heat and pressure to create a strong bond between metal pieces.

• Different types of welding techniques include arc welding, gas welding, and spot welding.

• Welding is commonly used in industries such as construction, automotive, and manufacturing.

• Examples of welding applications include building structures, pipelines, and repairing metal components.

• Safety pr...read more

Laminar flow is smooth and orderly, while turbulent flow is chaotic and irregular, affecting fluid dynamics significantly.

• Laminar flow occurs when fluid moves in parallel layers, with minimal disruption between them.

• Turbulent flow is characterized by eddies and swirls, leading to increased mixing and energy dissipation.

• An example of laminar flow is blood flow in small vessels, where it moves smoothly.

• An example of turbulent flow is blood flow in larger arteries during vigorou...read more

The frequency of preventive maintenance varies depending on the equipment and industry standards.

• Frequency of preventive maintenance is typically determined by equipment manufacturer recommendations.

• Some industries may have specific regulations or standards that dictate the frequency of preventive maintenance.

• Factors such as usage, environmental conditions, and criticality of the equipment can also influence the frequency of preventive maintenance.

• Regular inspections and moni...read more

5S is a methodology used for organizing and maintaining a clean, efficient, and safe work environment.

• Sort: Separate necessary items from unnecessary items.

• Set in order: Arrange necessary items in a logical and efficient manner.

• Shine: Clean and inspect the work area regularly.

• Standardize: Establish standards and procedures for maintaining the first three S's.

• Sustain: Ensure the 5S system is consistently followed and improved upon.

• Example: Implementing 5S in a manufacturing pl...read more

To achieve low cost and minimum time production gain, one can focus on process optimization, automation, efficient resource allocation, and continuous improvement.

• Optimize production processes to eliminate waste and reduce costs

• Implement automation and robotics to increase productivity and reduce labor costs

• Efficiently allocate resources to minimize downtime and maximize output

• Continuously improve production methods through data analysis and feedback

• Streamline supply chain an...read more

IC engines are internal combustion engines where fuel is burned internally, while EC engines are external combustion engines where fuel is burned externally.

• IC engines have combustion happening inside the engine, while EC engines have combustion happening outside the engine.

• Examples of IC engines include gasoline engines and diesel engines, while examples of EC engines include steam engines and Stirling engines.

• IC engines are more common in vehicles and small machinery, while...read more

Mold maintenance involves regular cleaning, inspection, and repair of molds used in manufacturing processes.

• Regularly clean molds to prevent buildup of residue or contaminants

• Inspect molds for wear and tear, cracks, or other damage

• Repair any issues found during inspection to ensure molds function properly

• Store molds properly when not in use to prevent damage or contamination

The frequency of tool life refers to how often a tool needs to be replaced or maintained.

• Frequency of tool life is determined by factors such as material being worked on, cutting speed, and tool material.

• Higher cutting speeds or harder materials may require more frequent tool changes.

• Regular maintenance and monitoring can help extend tool life and reduce frequency of replacements.

Hookes law states that the force needed to extend or compress a spring by some distance is proportional to that distance.

• Hookes law is a principle of physics that states the force needed to extend or compress a spring by some distance is directly proportional to that distance.

• The formula for Hookes law is F = kx, where F is the force applied, k is the spring constant, and x is the displacement of the spring from its equilibrium position.

• This law is commonly used in engineerin...read more

Welding is a process of joining two or more pieces of metal together by melting and fusing them.

• Welding involves using heat to melt the base metal and a filler material to create a strong joint.

• Common welding techniques include arc welding, MIG welding, TIG welding, and spot welding.

• Welding is used in various industries such as construction, automotive, aerospace, and manufacturing.

• Proper safety precautions must be taken when welding to prevent injuries and damage.

OEE stands for Overall Equipment Effectiveness. It is a measure of how effectively a manufacturing operation is utilized.

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

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

• Performance measures the speed at which the equipment runs compared to its maximum speed.

• Quality measures the percentage of good quality products produced by the equipment.

• OEE can be used to identify ...read more

The cutting wheel size varies depending on the tool. There are different types of bearings used for various applications. Bearings are used to reduce friction and support rotating parts. Ring spanners have a circular opening while hook spanners have a hook-shaped opening.

• Cutting wheel size varies depending on the tool being used.

• There are different types of bearings such as ball bearings, roller bearings, and plain bearings.

• Bearings are used to reduce friction between moving ...read more

Mechanical refrigeration is a process that removes heat from a designated area to lower its temperature using mechanical means.

• Uses a refrigerant to absorb and release heat.

• Commonly found in air conditioning systems and refrigerators.

• Operates on the principles of thermodynamics, particularly the refrigeration cycle.

• Examples include vapor-compression and absorption refrigeration systems.

Use quality tools like Pareto chart, fishbone diagram, and 5 Whys to analyze and address customer complaints.

• Identify the root cause of the complaint using tools like fishbone diagram.

• Prioritize the issues using a Pareto chart to focus on the most critical problems first.

• Use the 5 Whys technique to dig deeper into the root cause of the complaint.

• Implement corrective actions based on the analysis to prevent similar complaints in the future.

Quality refers to the standard of a product or service, while production is the process of creating goods or services.

• Quality ensures that products meet specific standards, e.g., pharmaceuticals must meet safety regulations.

• Production involves the methods and processes used to create goods, e.g., assembly lines in manufacturing.

• Quality control measures, such as inspections, are crucial in both fields to maintain standards.

• In healthcare, quality can refer to patient care stand...read more

Thermodynamics is the study of energy and its transformations in systems.

• It deals with the relationships between heat, work, and energy.

• It includes the study of laws and principles governing energy transfer and conversion.

• Examples include the analysis of engines, refrigerators, and chemical reactions.

• Thermodynamics is essential in understanding the behavior of gases, liquids, and solids.

• It has applications in various fields like engineering, physics, chemistry, and biology.

Breakdown maintenance is a type of maintenance where equipment is only repaired after it has broken down.

• Breakdown maintenance is reactive in nature, as repairs are only done after a breakdown occurs.

• It can lead to increased downtime and production losses.

• This type of maintenance is usually more costly compared to preventive maintenance.

• Examples include fixing a machine only when it stops working or repairing a vehicle only after it breaks down.

Process & product audit type of poka yoke ensures errors are prevented during audits.

• Poka yoke in process audit involves using checklists to ensure all steps are followed correctly

• Poka yoke in product audit involves using sensors to detect defects before they occur

• Examples include using color-coded labels to prevent mix-ups in audits

The 5 core tools in depth details for an Operating Engineer Team Leader.

• Root cause analysis: Identifying the underlying cause of equipment failures or operational issues.

• Preventive maintenance: Implementing regular maintenance schedules to prevent breakdowns.

• Equipment troubleshooting: Ability to diagnose and fix equipment malfunctions.

• Team leadership: Leading and motivating a team of operating engineers to achieve goals.

• Safety compliance: Ensuring all operations meet safety r...read more

Mechanism refers to the process or system by which something operates or functions.

• It explains how something works or how it is done

• It can be a physical or chemical process

• Examples include the mechanism of action of a drug, the mechanism of a machine, or the mechanism of a biological process

• It can also refer to the underlying principles or theories behind a phenomenon

Just in time line refers to a production strategy where materials are delivered just in time for production.

• It is a lean manufacturing approach

• It aims to reduce inventory costs and waste

• It requires close coordination between suppliers and manufacturers

• Examples include Toyota's production system and Dell's supply chain management

Types of welding include MIG, TIG, stick, and flux-cored welding.

• MIG welding uses a wire electrode and shielding gas to create a strong bond.

• TIG welding uses a tungsten electrode and inert gas for precise and clean welds.

• Stick welding uses a consumable electrode coated in flux to create a strong bond.

• Flux-cored welding uses a tubular wire filled with flux for outdoor and windy conditions.

Check on check process is a method of double-checking or verifying information to ensure accuracy.

• Check on check process involves verifying information multiple times to reduce errors.

• It is commonly used in industries where accuracy is crucial, such as healthcare or finance.

• For example, in a hospital setting, nurses may use a check on check process to verify medication dosages before administering them to patients.

Lifter pad and lifter are different components used in mechanical systems.

• Lifter pad is a component used to support and lift heavy objects, while lifter is a device used to lift and move objects vertically.

• Lifter pads are often made of rubber or other materials to provide cushioning and grip, while lifters can be hydraulic, pneumatic, or mechanical.

• Lifter pads are stationary and provide a stable base for lifting, while lifters are mobile and actively lift and lower objects.

There is no such thing as 'kizzen'. It is not a valid term or word.

• There is no definition or explanation for 'kizzen'

• It is possible that the interviewer made a mistake or was testing the candidate's ability to handle unexpected questions

• The candidate can politely ask for clarification or context if unsure about a question

Rules company is a term used to describe the set of guidelines and regulations that a company follows in order to ensure quality and compliance.

• Rules company refers to the policies, procedures, and standards that govern the operations of a company.

• These rules are put in place to ensure consistency, quality, and compliance with regulations.

• Examples of rules company include ISO standards, FDA regulations, and company-specific quality management systems.

7QC tools are a set of quality control tools used for process improvement and problem-solving.

• Check sheet: Used to collect and analyze data, such as tallying defects in a manufacturing process.

• Pareto chart: Helps identify the most significant factors contributing to a problem, based on the 80/20 rule.

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

• Histogram: Represents data distribution visually to identify patterns and ...read more

IMS implementation involves the integration of various management systems to improve efficiency and effectiveness.

• IMS stands for Integrated Management System

• It combines multiple management systems, such as quality, environmental, and health and safety

• IMS implementation aims to streamline processes, reduce duplication, and improve overall performance

• Examples of IMS frameworks include ISO 9001, ISO 14001, and OHSAS 18001

The 7 QC tools are a set of problem-solving techniques used in quality management.

• The 7 QC tools include: check sheets, histograms, Pareto charts, cause-and-effect diagrams, control charts, scatter diagrams, and flowcharts.

• These tools help identify and analyze quality problems, prioritize issues, and track improvement progress.

• For example, a check sheet can be used to collect data on defects, while a Pareto chart can visually show the most significant issues.

• Implementing the ...read more

I am a highly experienced Sr. Engineer with a strong background in various engineering disciplines.

• Over 10 years of experience in mechanical, electrical, and civil engineering

• Led multiple successful projects from concept to completion

• Proficient in CAD software such as AutoCAD and SolidWorks

The salary scheme for diploma post varies depending on the company and industry.

• The salary may be based on experience, education, and skills.

• Some companies may offer a fixed salary while others may have a salary range.

• The industry and location may also affect the salary.

• Benefits such as health insurance, retirement plans, and bonuses may also be included.

• It is important to research and negotiate for a fair salary.

Productivity is the measure of efficiency in completing a task or achieving a goal.

• It is the ratio of output to input.

• It can be improved by optimizing processes and utilizing resources effectively.

• Examples include completing tasks in less time, producing more output with the same resources, and reducing waste.

• Productivity is important for businesses to remain competitive and profitable.

Maru-A is a Japanese term for Gemba walk. 7QC tools are used for quality control.

• Maru-A is a technique used to observe and improve processes by walking through the actual work area.

• 7QC tools are a set of quality control tools used to identify and solve problems in a systematic way.

• Examples of 7QC tools include Pareto charts, fishbone diagrams, and control charts.

The quality department shift incharge is responsible for ensuring quality control measures are implemented during their shift.

• Oversee quality control processes during their shift

• Ensure compliance with quality standards and regulations

• Train and supervise quality control staff

• Identify and address quality issues in a timely manner

• Maintain accurate records and documentation

• Collaborate with other departments to improve quality processes

Quality Engineers need to have strong skills in process improvement and problem-solving.

• Strong understanding of quality control processes

• Ability to analyze data and identify areas for improvement

• Experience with root cause analysis techniques

• Knowledge of statistical tools and methods

• Effective communication skills to work with cross-functional teams

Implementing a Quality Management System (QMS)

• Understand the organization's quality objectives and requirements

• Identify and document processes, procedures, and work instructions

• Establish quality policies and objectives

• Define roles and responsibilities for quality management

• Implement document control and record keeping

• Develop and implement training programs

• Establish metrics and performance indicators

• Conduct internal audits and management reviews

• Continuously improve the QMS thr...read more

The 7 QC tools are a set of basic statistical tools used for quality control in manufacturing processes.

• The 7 QC tools include Check Sheets, Pareto Charts, Cause and Effect Diagrams, Histograms, Scatter Diagrams, Control Charts, and Flowcharts.

• These tools help identify and solve quality-related issues in a systematic manner.

• For example, a Check Sheet can be used to track defects in a production process, while a Pareto Chart can help prioritize the most significant issues to a...read more

5's refer to the five safety rules that must be followed in any workplace.

• The five safety rules are: Keep the workplace clean and tidy, Use tools and equipment properly, Use personal protective equipment (PPE), Report hazards and incidents, and Follow instructions and procedures.

• These rules are designed to prevent accidents and injuries in the workplace.

• For example, keeping the workplace clean and tidy can prevent slips, trips, and falls, while using PPE can protect workers f...read more

QA focuses on preventing defects in the process, while QC focuses on identifying defects in the product.

• QA is process oriented, focusing on preventing defects by improving processes and procedures.

• QC is product oriented, focusing on identifying defects through testing and inspection.

• QA involves activities like reviews, audits, and process improvements.

• QC involves activities like testing, inspections, and quality control checks.

• Example: QA would involve creating standardized t...read more

Tolerance Mode is a feature in some electronic devices that allows for a certain level of deviation or error without triggering an alarm or shutdown.

• Tolerance Mode is commonly used in industrial settings to prevent unnecessary shutdowns due to minor fluctuations in readings.

• It can be set to allow for a specific range of values before taking action.

• For example, a temperature sensor in a manufacturing plant may be set to Tolerance Mode to account for slight variations in temper...read more

To overcome from temporary setbacks, it is important to stay positive, seek support, set goals, and take action.

• Stay positive and maintain a growth mindset

• Seek support from friends, family, or a mentor

• Set specific, achievable goals to work towards

• Take action by creating a plan and following through with it

dwm stands for Data Window Memory, a register in assembly language used to store the starting address of a data window.

• dwm is a register used in assembly language to store the starting address of a data window

• It is commonly used in microcontroller programming to access data stored in a specific memory location

• Example: MOV dwm, #1234h

Theory of machine strength of materials involves the study of how materials behave under different loads and stresses.

• It deals with the analysis of stresses and strains in machine components

• It helps in designing and selecting materials for machine parts

• It involves the study of fatigue, fracture mechanics, and creep

• Examples include calculating the stress in a beam, designing a shaft for a motor, and selecting the appropriate material for a gear

• It is important for ensuring the ...read more

Production refers to the creation of goods or services, while productivity measures the efficiency of production.

• Production is the process of creating goods or services, while productivity is the measure of efficiency in producing those goods or services.

• Production focuses on the output of goods or services, while productivity focuses on the input resources required to produce those goods or services.

• For example, a factory may increase its production by adding more workers, b...read more

To deal with customers effectively, it is important to listen actively, empathize with their concerns, communicate clearly, and provide solutions to their problems.

• Listen actively to understand the customer's needs and concerns

• Empathize with the customer by acknowledging their feelings and showing understanding

• Communicate clearly and effectively to ensure the customer understands the information provided

• Provide solutions to the customer's problems or concerns in a timely mann...read more

FMEA stands for Failure Modes and Effects Analysis, a systematic method for identifying and preventing potential failures in a system.

• FMEA is a structured approach to identifying and prioritizing potential failure modes in a system.

• It involves analyzing the potential effects of these failures and developing mitigation strategies.

• FMEA helps in improving the reliability, safety, and quality of a system or process.

• There are different types of FMEA, including Design FMEA (DFMEA),...read more

Production is the process of creating goods or services using resources like labor, machinery, and materials.

• Production involves converting raw materials into finished products

• It includes activities like manufacturing, assembling, packaging, and quality control

• Efficient production processes can lead to cost savings and increased output

• Examples of production include car manufacturing, food processing, and clothing production

DBMS stands for Database Management System. It is a software system that allows users to define, create, maintain and control access to databases.

• DBMS helps in managing data efficiently by providing functionalities like data storage, retrieval, update, and deletion.

• It ensures data integrity by enforcing constraints and relationships between data.

• Examples of DBMS include MySQL, Oracle Database, Microsoft SQL Server, and PostgreSQL.

DBMS works by managing and organizing data in databases, allowing users to store, retrieve, and manipulate data efficiently.

• DBMS stores data in tables with rows and columns

• It provides a query language to retrieve specific data

• It enforces data integrity through constraints like primary keys

• It supports transactions to ensure data consistency

• Examples of DBMS include MySQL, Oracle, and SQL Server